[Bug 1967636] Re: Ubuntu ubuntu-22.04: Yelp does not display the Ubuntu documentation

[Simos Xenitellis ]

Now Yelp crashes when I launch it.

[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
--Type  for more, q to quit, c to continue without paging--
Core was generated by `yelp'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x7f5933ab030b in ?? ()
   from /lib/x86_64-linux-gnu/libwebkit2gtk-4.0.so.37
[Current thread is 1 (Thread 0x7f592cb87ac0 (LWP 11238))]
(gdb) where
#0  0x7f5933ab030b in ?? ()
   from /lib/x86_64-linux-gnu/libwebkit2gtk-4.0.so.37
#1  0x7f592f178e2e in ?? () from /lib/x86_64-linux-gnu/libffi.so.8
#2  0x7f592f175493 in ?? () from /lib/x86_64-linux-gnu/libffi.so.8
#3  0x7f592f87a2c0 in ?? ()
   from /lib/x86_64-linux-gnu/libwayland-server.so.0
#4  0x7f592f87e4c4 in ?? ()
   from /lib/x86_64-linux-gnu/libwayland-server.so.0
#5  0x7f592f87cf4a in wl_event_loop_dispatch ()
   from /lib/x86_64-linux-gnu/libwayland-server.so.0
#6  0x7f593406a3f3 in ?? ()
   from /lib/x86_64-linux-gnu/libwebkit2gtk-4.0.so.37
#7  0x7f5930d0fd1b in g_main_context_dispatch ()
   from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x7f5930d646f8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x7f5930d0d3c3 in g_main_context_iteration ()
   from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x7f5932679915 in g_application_run ()
   from /lib/x86_64-linux-gnu/libgio-2.0.so.0
#11 0x7f5930ab9d90 in __libc_start_call_main (
main=main@entry=0x55c778b6ef50 , argc=argc@entry=1, 
argv=argv@entry=0x7ffd1ebd6798)
at ../sysdeps/nptl/libc_start_call_main.h:58
--Type  for more, q to quit, c to continue without paging--
#12 0x7f5930ab9e40 in __libc_start_main_impl (main=0x55c778b6ef50 , 
argc=1, argv=0x7ffd1ebd6798, init=, fini=, 
rtld_fini=, stack_end=0x7ffd1ebd6788)
at ../csu/libc-start.c:392
#13 0x55c778b6eff5 in _start ()
(gdb)

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Title:
  Ubuntu ubuntu-22.04: Yelp does not display the Ubuntu documentation

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[Bug 1967636] Re: Ubuntu ubuntu-22.04: Yelp does not display the Ubuntu documentation

[Simos Xenitellis ]

** Summary changed:

- Yelp does not display the Ubuntu documentation
+ Ubuntu ubuntu-22.04: Yelp does not display the Ubuntu documentation

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Title:
  Ubuntu ubuntu-22.04: Yelp does not display the Ubuntu documentation

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[Bug 1967636] [NEW] Ubuntu ubuntu-22.04: Yelp does not display the Ubuntu documentation

[Simos Xenitellis ]

Public bug reported:

Yelp does not show the Ubuntu documentation (Ubuntu User Guide) when you
launch it.

Tested both with the en_US and el_GR locales.

What happens: When you click on Help, the yelp application opens but the window 
is blank, empty.
What should happen: Yelp should display the Ubuntu documentation.

What is going on though: Yelp does open the Ubuntu documentation but
everything appears white. As if an overlay is covering the
documentation. See attached screenshots.

ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: yelp 42.0-1
ProcVersionSignature: Ubuntu 5.15.0-23.23-generic 5.15.27
Uname: Linux 5.15.0-23-generic x86_64
ApportVersion: 2.20.11-0ubuntu80
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Sat Apr  2 23:47:27 2022
InstallationDate: Installed on 2022-04-01 (0 days ago)
InstallationMedia: Ubuntu 22.04 LTS "Jammy Jellyfish" - Alpha amd64 (20220326)
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=
 LANG=el_GR.UTF-8
 SHELL=/bin/bash
SourcePackage: yelp
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: yelp (Ubuntu)
 Importance: Undecided
 Status: New


** Tags: amd64 apport-bug jammy wayland-session

** Attachment added: "Yelp is open and should be showing the Ubuntu User Guide. 
But it shows a blank screen."
   
https://bugs.launchpad.net/bugs/1967636/+attachment/5576265/+files/Screenshot%20from%202022-04-02%2011-33-40.png

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Title:
  Ubuntu ubuntu-22.04: Yelp does not display the Ubuntu documentation

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[Bug 1967636] Re: Yelp does not display the Ubuntu documentation

[Simos Xenitellis ]

Here I typed Cltr+A to  Select All in the Yelp window and blindly tried
to move the selected content with the mouse.

Indeed, the documentation is there but it appears all white in the Yelp
window.

** Attachment added: "The documentation is there though."
   
https://bugs.launchpad.net/ubuntu/+source/yelp/+bug/1967636/+attachment/5576268/+files/Screenshot%20from%202022-04-02%2011-33-52.png

** Description changed:

  Yelp does not show the Ubuntu documentation (Ubuntu User Guide) when you
  launch it.
  
+ Tested both with the en_US and el_GR locales.
+ 
  What happens: When you click on Help, the yelp application opens but the 
window is blank, empty.
- What should happen: Yelp should display the Ubuntu documentation. 
+ What should happen: Yelp should display the Ubuntu documentation.
  
  What is going on though: Yelp does open the Ubuntu documentation but
  everything appears white. As if an overlay is covering the
  documentation. See attached screenshots.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 22.04
  Package: yelp 42.0-1
  ProcVersionSignature: Ubuntu 5.15.0-23.23-generic 5.15.27
  Uname: Linux 5.15.0-23-generic x86_64
  ApportVersion: 2.20.11-0ubuntu80
  Architecture: amd64
  CasperMD5CheckResult: pass
  CurrentDesktop: ubuntu:GNOME
  Date: Sat Apr  2 23:47:27 2022
  InstallationDate: Installed on 2022-04-01 (0 days ago)
  InstallationMedia: Ubuntu 22.04 LTS "Jammy Jellyfish" - Alpha amd64 (20220326)
  ProcEnviron:
-  TERM=xterm-256color
-  PATH=(custom, no user)
-  XDG_RUNTIME_DIR=
-  LANG=el_GR.UTF-8
-  SHELL=/bin/bash
+  TERM=xterm-256color
+  PATH=(custom, no user)
+  XDG_RUNTIME_DIR=
+  LANG=el_GR.UTF-8
+  SHELL=/bin/bash
  SourcePackage: yelp
  UpgradeStatus: No upgrade log present (probably fresh install)

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  Ubuntu ubuntu-22.04: Yelp does not display the Ubuntu documentation

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[Bug 1914077] [NEW] Add Greek langpack to LibreOffice snap package

[Simos Xenitellis ]

Public bug reported:

Currently, the Libreoffice snap package supports the following UI
languages:

English (USA)
Catalan
Chinese (Traditional)
French (France)
German
Hungarian
Italian
Japanese
Polish
Portuguese (both Portugal and Brazil)
Russian
Spanish (Spain)
Turkish

Greek is spoken by 11.1m people, which is a similar number for Catalan and 
Hundarian.
In the Greek Public Service (for example, the judicial system), there are many 
Ubuntu laptops with no upgrade path for the latest version of LibreOffice.

Can you please add Greek to the list?

** Affects: libreoffice (Ubuntu)
 Importance: Undecided
 Status: New


** Tags: snap

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  Add Greek langpack to LibreOffice snap package

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[Bug 1875062] Re: Incorrect keyboard layout for selecting username and password during install of 20.04

[Simos Xenitellis ]

I suggest to change the title of this report to something like
"[20.04] Keyboard layout not enabled immediately during installation when 
typing username/password".

It looks like an issue of not activating the selected keyboard layout
during the installation, in order to type your
username/password/computer name.

I have not tested for this and I do not recall an issue, probably
because I use the English US layout as the primary layout.

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Title:
  Incorrect keyboard layout for selecting username and password during
  install of 20.04

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[Bug 1872123] Re: [20.04] X session fails to start on 440 and kernel 5.4.0-21 (but 5.4.0-18 works)

[Simos Xenitellis ]

I have installed from scratch Ubuntu Daily 20200412, which is still at
the Linux 5.4.0-21 kernel.

I was not able to replicate the issue that I was facing, therefore for
me I would mark this report as INVALID.

@magean: I have just reinstalled Ubuntu Daily and I got the proprietary
drivers instead of nouveau. During the installation, I ticked the option
to receive proprietary graphics drivers and WiFi firmware.

The little gear to switch between an X11 and Wayland session should
appear as soon as you start typing the password. It does not appear by
default.

In your case, I would try to install again the fresh Daily, and try to
figure out a reproducible list of steps.

Do you want to create a new report that specifically describes the issue that 
you are facing? 
As far as I understand, the issue you are getting is related to switching 
between nouveau and proprietary NVidia?

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Title:
  [20.04] X session fails to start on 440 and kernel 5.4.0-21 (but
  5.4.0-18 works)

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[Bug 1872123] [NEW] [20.04] X session fails to start on 440 and kernel 5.4.0-21 (but 5.4.0-18 works)

[Simos Xenitellis ]

Public bug reported:

I am testing Ubuntu 20.04. This system has an NVidia GPU, with nvidia-
driver 440.64.

With Linux kernel 5.4.0-18, I can login successfully to an X session (default 
GNOME).
With Linux kernel 5.4.0-21, I fail to login to an X session. When I put my 
password and press Enter to login, the screen blanks, and within a second 
returns back to the login screen.


With Linux kernel 5.4.0-21 and Wayland session, it works and I can login.

** Affects: nvidia-graphics-drivers-440 (Ubuntu)
 Importance: Undecided
 Status: New

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Title:
  [20.04] X session fails to start on 440 and kernel 5.4.0-21 (but
  5.4.0-18 works)

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[Bug 1285444] Re: Login Successful, Desktop Never Loads

[Simos Xenitellis ]

This bug report is from 2014.

I get this issue (return almost immediately to the login screen) in Ubuntu 
20.04 Beta with the 5.4.0-21 kernel. 
But with the immediate previous kernel, 5.4.0-18 works and I get a desktop 
session.

Anyone who found an existing report on such an issue?

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Title:
  Login Successful, Desktop Never Loads

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[Bug 1869372] [NEW] Popping/crackling noise when sound card wakes from powersaving

[Simos Xenitellis ]

Public bug reported:

I could not find an existing report on this.
When Ubuntu 20.04 does powersaving, the audio card powers down.
When the card powers up again, it emits a short annoying popping/crackling 
noise, then audio plays just fine.

The workaround is to disable power-saving for the audio card, by adding

options snd_hda_intel power_save=0 power_save_controller=N

to a file in /etc/modprobe.d/alsa-intel-no-powersave.conf

and then reboot.

** Affects: linux (Ubuntu)
 Importance: Undecided
 Status: New

** Description changed:

  I could not find an existing report on this.
- When Ubuntu does powersaving, the audio card powers down.
+ When Ubuntu 20.04 does powersaving, the audio card powers down.
  When the card powers up again, it emits a short annoying popping/crackling 
noise, then audio plays just fine.
  
  The workaround is to disable power-saving for the audio card, by adding
  
  options snd_hda_intel power_save=0 power_save_controller=N
  
  to a file in /etc/modprobe.d/alsa-intel-no-powersave.conf
  
  and then reboot.

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  Popping/crackling noise when sound card wakes from powersaving

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[Bug 1781601] Re: Stress-testing LXD causes kernel hung in cgroups (cgroup_destroy css_killed_work_fn)

[Simos Xenitellis ]

The system is largely unresponsive. I got this though:

ubuntu@myserver:~$ free
  totalusedfree  shared  buff/cache   available
Mem:   6568594848896836  803588  4691721598552415572340
Swap:   1996796   51712 1945084
ubuntu@myserver:~$ 

It appears that the memory has been exhausted.
Do kernel errors from resource exhaustion count as bugs?

I am changing from CONFIRMED to NEW.

** Changed in: linux (Ubuntu)
   Status: Confirmed => New

** Changed in: linux (Ubuntu Bionic)
   Status: Confirmed => New

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Title:
  Stress-testing LXD causes kernel hung in cgroups (cgroup_destroy
  css_killed_work_fn)

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[Bug 1781601] Re: Stress-testing LXD causes kernel hung in cgroups (cgroup_destroy css_killed_work_fn)

[Simos Xenitellis ]

I tried the following command:


ubuntu@myserver:~$ lxd-benchmark launch --count 900 --parallel 24 ubuntu:18.04
Test environment:
  Server backend: lxd
  Server version: 3.0.2
  Kernel: Linux
  Kernel architecture: x86_64
  Kernel version: 4.15.0-36-generic
  Storage backend: zfs
  Storage version: 0.7.5-1ubuntu16.3
  Container backend: lxc
  Container version: 3.0.2

Test variables:
  Container count: 900
  Container mode: unprivileged
  Startup mode: normal startup
  Image: ubuntu:18.04
  Batches: 37
  Batch size: 24
  Remainder: 12

[Oct  3 21:46:55.617] Found image in local store: 
c395a7105278712478ec1dbfaab1865593fc11292f99afe01d5b94f1c34a9a3a
[Oct  3 21:46:55.617] Batch processing start
[Oct  3 21:47:09.310] Processed 24 containers in 13.693s (1.753/s)
[Oct  3 21:47:26.739] Processed 48 containers in 31.122s (1.542/s)
[Oct  3 21:48:06.052] Processed 96 containers in 70.435s (1.363/s)
[Oct  3 21:49:27.340] Processed 192 containers in 151.723s (1.265/s)
^C

I interrupted the benchmark because it got stuck.

Note:

1. I am running Ubuntu 18.04.
2. With the updated kernel 4.15.0-36. I did not try the proposed kernel.
3. With LXD 3.0.2 (from bionic/proposed)

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Title:
  Stress-testing LXD causes kernel hung in cgroups (cgroup_destroy
  css_killed_work_fn)

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[Bug 1781601] Re: Stress-testing LXD causes kernel hung in cgroups (cgroup_destroy css_killed_work_fn)

[Simos Xenitellis ]

I got the same bug again. Here are the kernel messages:


[ 1450.993972] INFO: task systemd:1 blocked for more than 120 seconds.
[ 1451.000279]   Tainted: P   O 4.15.0-36-generic #39-Ubuntu
[ 1451.007094] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this 
message.
[ 1451.014957] systemd D0 1  0 0x
[ 1451.014960] Call Trace:
[ 1451.014969]  __schedule+0x291/0x8a0
[ 1451.014971]  schedule+0x2c/0x80
[ 1451.014973]  schedule_preempt_disabled+0xe/0x10
[ 1451.014974]  __mutex_lock.isra.2+0x18c/0x4d0
[ 1451.014976]  __mutex_lock_slowpath+0x13/0x20
[ 1451.014978]  ? __mutex_lock_slowpath+0x13/0x20
[ 1451.014979]  mutex_lock+0x2f/0x40
[ 1451.014982]  proc_cgroup_show+0x4c/0x2a0
[ 1451.014985]  proc_single_show+0x56/0x80
[ 1451.014988]  seq_read+0xe5/0x430
[ 1451.014990]  __vfs_read+0x1b/0x40
[ 1451.014991]  vfs_read+0x8e/0x130
[ 1451.014992]  SyS_read+0x55/0xc0
[ 1451.014995]  do_syscall_64+0x73/0x130
[ 1451.014997]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[ 1451.014999] RIP: 0033:0x7fc9a5300081
[ 1451.015000] RSP: 002b:7ffcdf16ab48 EFLAGS: 0246 ORIG_RAX: 

[ 1451.015002] RAX: ffda RBX: 55c5a2612290 RCX: 7fc9a5300081
[ 1451.015003] RDX: 0400 RSI: 55c5a269b4d0 RDI: 0026
[ 1451.015004] RBP: 0d68 R08: 0001 R09: 
[ 1451.015004] R10:  R11: 0246 R12: 7fc9a55d7760
[ 1451.015005] R13: 7fc9a55d82a0 R14: 55c5a2612290 R15: 07ff
[ 1451.015077] INFO: task systemd-journal:811 blocked for more than 120 seconds.
[ 1451.022239]   Tainted: P   O 4.15.0-36-generic #39-Ubuntu
[ 1451.029073] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this 
message.
[ 1451.036938] systemd-journal D0   811  1 0x0120
[ 1451.036942] Call Trace:
[ 1451.036950]  __schedule+0x291/0x8a0
[ 1451.036954]  ? ___slab_alloc+0x20a/0x4b0
[ 1451.036956]  schedule+0x2c/0x80
[ 1451.036957]  schedule_preempt_disabled+0xe/0x10
[ 1451.036958]  __mutex_lock.isra.2+0x18c/0x4d0
[ 1451.036960]  __mutex_lock_slowpath+0x13/0x20
[ 1451.036962]  ? __mutex_lock_slowpath+0x13/0x20
[ 1451.036963]  mutex_lock+0x2f/0x40
[ 1451.036966]  proc_cgroup_show+0x4c/0x2a0
[ 1451.036969]  proc_single_show+0x56/0x80
[ 1451.036972]  seq_read+0xe5/0x430
[ 1451.036975]  __vfs_read+0x1b/0x40
[ 1451.036978]  vfs_read+0x8e/0x130
[ 1451.036981]  SyS_read+0x55/0xc0
[ 1451.036985]  do_syscall_64+0x73/0x130
[ 1451.036988]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[ 1451.036991] RIP: 0033:0x7f331df97081
[ 1451.036993] RSP: 002b:7ffd719a04c8 EFLAGS: 0246 ORIG_RAX: 

[ 1451.036997] RAX: ffda RBX: 56046305a6c0 RCX: 7f331df97081
[ 1451.037000] RDX: 0400 RSI: 560463012a10 RDI: 001f
[ 1451.037001] RBP: 0d68 R08: 0001 R09: 
[ 1451.037003] R10:  R11: 0246 R12: 7f331e26e760
[ 1451.037005] R13: 7f331e26f2a0 R14: 56046305a6c0 R15: 07ff
[ 1451.037029] INFO: task lxcfs:39982 blocked for more than 120 seconds.
[ 1451.043498]   Tainted: P   O 4.15.0-36-generic #39-Ubuntu
[ 1451.050308] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this 
message.
[ 1451.058165] lxcfs   D0 39982  1 0x
[ 1451.058167] Call Trace:
[ 1451.058172]  __schedule+0x291/0x8a0
[ 1451.058174]  schedule+0x2c/0x80
[ 1451.058175]  schedule_preempt_disabled+0xe/0x10
[ 1451.058176]  __mutex_lock.isra.2+0x18c/0x4d0
[ 1451.058178]  __mutex_lock_slowpath+0x13/0x20
[ 1451.058179]  ? __mutex_lock_slowpath+0x13/0x20
[ 1451.058180]  mutex_lock+0x2f/0x40
[ 1451.058182]  proc_cgroup_show+0x4c/0x2a0
[ 1451.058184]  proc_single_show+0x56/0x80
[ 1451.058185]  seq_read+0xe5/0x430
[ 1451.058187]  __vfs_read+0x1b/0x40
[ 1451.058188]  vfs_read+0x8e/0x130
[ 1451.058189]  SyS_read+0x55/0xc0
[ 1451.058191]  do_syscall_64+0x73/0x130
[ 1451.058192]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[ 1451.058194] RIP: 0033:0x7fe0461c70b4
[ 1451.058194] RSP: 002b:7fe036ffc870 EFLAGS: 0246 ORIG_RAX: 

[ 1451.058196] RAX: ffda RBX: 001a RCX: 7fe0461c70b4
[ 1451.058196] RDX: 0400 RSI: 7fdfb00231e0 RDI: 001a
[ 1451.058197] RBP: 7fdfb00231e0 R08: 0001 R09: 
[ 1451.058198] R10:  R11: 0246 R12: 0400
[ 1451.058198] R13: 7fe04649f2a0 R14:  R15: 
[ 1451.058200] INFO: task lxcfs:118730 blocked for more than 120 seconds.
[ 1451.064746]   Tainted: P   O 4.15.0-36-generic #39-Ubuntu
[ 1451.071559] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this 
message.
[ 1451.079411] lxcfs   D0 118730  1 0x
[ 1451.079415] Call Trace:
[ 1451.079418]  __schedule+0x291/0x8a0
[ 1451.079421]  ? 

[Bug 1686338] Re: cloud-init fails if no network config is set

[Simos Xenitellis ]

I made a change in the cloud-init configuration:

--- version1.profile2018-07-24 20:32:06.054307582 +0300
+++ version1.profile.after  2018-07-24 20:32:32.890558707 +0300
@@ -1,5 +1,5 @@
 config:
-  user.network-config: |
+  user.user-data: |
 network:
 version: 1
 config:

and now cloud-init works as expected on LXD.

I still get a non-fatal warning: 2018-07-24 17:29:04,515 -
__init__.py[WARNING]: Unhandled non-multipart (text/x-not-multipart)
userdata: 'b'network:'...'

Relevant discussion: https://github.com/lxc/lxd/issues/3347

Therefore, the workaround should be not to use `network-config` for
network configuration but use `user-data` instead?

** Bug watch added: LXD bug tracker #3347
   https://github.com/lxc/lxd/issues/3347

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  cloud-init fails if no network config is set

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[Bug 1686338] Re: cloud-init fails if no network config is set

[Simos Xenitellis ]

The following relate to LXD and the LXD container images for 16.04 and
18.04. Both container images have cloud-init 18.2 (18.2-4-g05926e48).

SUMMARY
cloud-init fails to set up networking if a container is launched with 
cloud-init networking instructions.

WHAT WAS TESTED 
16.04 container image with cloud-init v1 and v2 configurations.
18.04 container image with cloud-init v1 and v2 configurations.

HOW TO REPRODUCE

1. Set up LXD

2. Create a new LXD profile. Create first this file (mycloudinit.profile)
---
$ cat mycloudinit.profile 
config:
  user.network-config: |
network:
version: 1
config:
- type: physical
  name: eth0
  subnets:
- type: dhcp
description: LXD profile with some cloud-init network-config
devices:
  eth0:
nictype: bridged
parent: lxdbr0
type: nic
  root:
path: /
pool: default
type: disk
name: mycloudinit
used_by: []

and then add it to a profile with:
$ lxc profile create mycloudinit
$ cat version1.profile | lxc profile edit mycloudinit

3. Launch a container while specifying this profile

lxc launch ubuntu:18.04 mycontainer --profile mycloudinit

4. Enter the container and check the cloud-init logs

lxc exec mycontainer -- sudo --user ubuntu --login
cd /var/log/

WHAT ERROR DO YOU GET

ON CONTAINER 18.04, THE ERROR IS:

Cloud-init v. 18.2 running 'init-local' at Tue, 24 Jul 2018 16:31:39 +. Up 
1.00 seconds.
2018-07-24 16:31:39,793 - stages.py[WARNING]: Failed to rename devices: Failed 
to apply network config names. Found bad network config version: None
2018-07-24 16:31:39,794 - util.py[WARNING]: failed stage init-local
failed run of stage init-local

Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/cloudinit/cmd/main.py", line 655, in 
status_wrapper
ret = functor(name, args)
  File "/usr/lib/python3/dist-packages/cloudinit/cmd/main.py", line 361, in 
main_init
init.apply_network_config(bring_up=bool(mode != sources.DSMODE_LOCAL))
  File "/usr/lib/python3/dist-packages/cloudinit/stages.py", line 653, in 
apply_network_config
return self.distro.apply_network_config(netcfg, bring_up=bring_up)
  File "/usr/lib/python3/dist-packages/cloudinit/distros/__init__.py", line 
175, in apply_network_config
dev_names = self._write_network_config(netconfig)
  File "/usr/lib/python3/dist-packages/cloudinit/distros/debian.py", line 119, 
in _write_network_config
return self._supported_write_network_config(netconfig)
  File "/usr/lib/python3/dist-packages/cloudinit/distros/__init__.py", line 94, 
in _supported_write_network_config
renderer.render_network_config(network_config=network_config)
  File "/usr/lib/python3/dist-packages/cloudinit/net/renderer.py", line 53, in 
render_network_config
network_state=parse_net_config_data(network_config), target=target)
  File "/usr/lib/python3/dist-packages/cloudinit/net/netplan.py", line 193, in 
render_network_state
content = self._render_content(network_state)
  File "/usr/lib/python3/dist-packages/cloudinit/net/netplan.py", line 227, in 
_render_content
if network_state.version == 2:
AttributeError: 'NoneType' object has no attribute 'version'


ON CONTAINER 16.04, THE ERROR IS:
Cloud-init v. 18.2 running 'init-local' at Tue, 24 Jul 2018 17:02:13 +. Up 
1.00 seconds.
2018-07-24 17:02:13,701 - stages.py[WARNING]: Failed to rename devices: Failed 
to apply network config names. Found bad network config version: None
2018-07-24 17:02:13,702 - util.py[WARNING]: failed stage init-local
failed run of stage init-local

Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/cloudinit/cmd/main.py", line 655, in 
status_wrapper
ret = functor(name, args)
  File "/usr/lib/python3/dist-packages/cloudinit/cmd/main.py", line 361, in 
main_init
init.apply_network_config(bring_up=bool(mode != sources.DSMODE_LOCAL))
  File "/usr/lib/python3/dist-packages/cloudinit/stages.py", line 653, in 
apply_network_config
return self.distro.apply_network_config(netcfg, bring_up=bring_up)
  File "/usr/lib/python3/dist-packages/cloudinit/distros/__init__.py", line 
171, in apply_network_config
dev_names = self._write_network_config(netconfig)
  File "/usr/lib/python3/dist-packages/cloudinit/distros/debian.py", line 119, 
in _write_network_config
return self._supported_write_network_config(netconfig)
  File "/usr/lib/python3/dist-packages/cloudinit/distros/__init__.py", line 90, 
in _supported_write_network_config
renderer.render_network_config(network_config=network_config)
  File "/usr/lib/python3/dist-packages/cloudinit/net/renderer.py", line 53, in 
render_network_config
network_state=parse_net_config_data(network_config), target=target)
  File 

[Bug 1781364] Re: Kernel error "task zfs:pid blocked for more than 120 seconds"

[Simos Xenitellis ]

@Vasiliy: Indeed.

The version in -proposed is "4.15.0-29.31" (source:
https://launchpad.net/ubuntu/bionic/+queue?queue_state=3_text
=linux-image)

The page for that version at 
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1782173
does not have a reference to this bug number #1781364.

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Title:
  Kernel error "task zfs:pid blocked for more than 120 seconds"

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[Bug 1781601] Re: Stress-testing LXD causes kernel hung in cgroups (cgroup_destroy css_killed_work_fn)

[Simos Xenitellis ]

I have been doing stress-testing on LXD at a freshly installed 18.04.
The Linux kernel was the standard 18.04 kernel.
LXD though was compiled from master, ZFS was also compile from master. 

I performed the stress-testing by running the command

lxd-benchmark --count 384 --parallel 24

This launches 384 Ubuntu 16.04 containers in batches of 24 containers.

LXD does not run well on the mainline Linux kernel because I think some 
necessary patches
have not been upstreamed yet. 

I plan to do more stress testing, and when I get the same issue,
I'll run apport to retrieve information from the system to attach here. 
Obviously, when I deploy the server, I'll prepare it for apport beforehand.

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Title:
  Stress-testing LXD causes kernel hung in cgroups (cgroup_destroy
  css_killed_work_fn)

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[Bug 1781364] Re: Kernel error "task zfs:pid blocked for more than 120 seconds"

[Simos Xenitellis ]

zfsutils-linux (zfs-linux, zfs-linux_0.7.5-1ubuntu16.3) is already in proposed,
https://launchpad.net/ubuntu/bionic/+queue?queue_state=3_text=zfs-linux

Please report when linux-image gets into -proposed,
https://launchpad.net/ubuntu/bionic/+queue?queue_state=3_text=linux-image

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Title:
  Kernel error "task zfs:pid blocked for more than 120 seconds"

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[Bug 1781601] [NEW] Stress-testing LXD causes kernel hung in cgroups (cgroup_destroy css_killed_work_fn)

[Simos Xenitellis ]

Public bug reported:

I have been stress-testing LXD and managed to cause the following kernel
hung:

[10271.564074] INFO: task systemd:1 blocked for more than 120 seconds.
[10271.570397]   Tainted: P   OE4.15.0-20-generic #21-Ubuntu
[10271.577212] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this 
message.
[10271.585071] systemd D0 1  0 0x
[10271.585073] Call Trace:
[10271.585080]  __schedule+0x297/0x8b0
[10271.585086]  schedule+0x2c/0x80
[10271.585090]  schedule_preempt_disabled+0xe/0x10
[10271.585095]  __mutex_lock.isra.2+0x18c/0x4d0
[10271.585100]  __mutex_lock_slowpath+0x13/0x20
[10271.585101]  ? __mutex_lock_slowpath+0x13/0x20
[10271.585102]  mutex_lock+0x2f/0x40
[10271.585106]  proc_cgroup_show+0x4c/0x2a0
[10271.585108]  proc_single_show+0x56/0x80
[10271.585111]  seq_read+0xe5/0x430
[10271.585114]  __vfs_read+0x1b/0x40
[10271.585115]  vfs_read+0x8e/0x130
[10271.585117]  SyS_read+0x55/0xc0
[10271.585120]  do_syscall_64+0x73/0x130
[10271.585121]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[10271.585123] RIP: 0033:0x7fd47634d0b4
[10271.585124] RSP: 002b:7ffe9a186700 EFLAGS: 0246 ORIG_RAX: 

[10271.585125] RAX: ffda RBX: 0021 RCX: 7fd47634d0b4
[10271.585126] RDX: 0400 RSI: 55f70a08c0c0 RDI: 0021
[10271.585127] RBP: 55f70a08c0c0 R08:  R09: 
[10271.585128] R10:  R11: 0246 R12: 0400
[10271.585129] R13: 7fd4766252a0 R14: 55f70a0298e0 R15: 07ff
[10271.585221] INFO: task lxcfs:84510 blocked for more than 120 seconds.
[10271.591687]   Tainted: P   OE4.15.0-20-generic #21-Ubuntu
[10271.598531] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this 
message.
[10271.606401] lxcfs   D0 84510  1 0x
[10271.606407] Call Trace:
[10271.606416]  __schedule+0x297/0x8b0
[10271.606418]  schedule+0x2c/0x80
[10271.606420]  schedule_preempt_disabled+0xe/0x10
[10271.606421]  __mutex_lock.isra.2+0x18c/0x4d0
[10271.606423]  __mutex_lock_slowpath+0x13/0x20
[10271.606424]  ? __mutex_lock_slowpath+0x13/0x20
[10271.606425]  mutex_lock+0x2f/0x40
[10271.606427]  proc_cgroup_show+0x4c/0x2a0
[10271.606429]  proc_single_show+0x56/0x80
[10271.606432]  seq_read+0xe5/0x430
[10271.606434]  __vfs_read+0x1b/0x40
[10271.606436]  vfs_read+0x8e/0x130
[10271.606437]  SyS_read+0x55/0xc0
[10271.606440]  do_syscall_64+0x73/0x130
[10271.606441]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[10271.606443] RIP: 0033:0x7f1a50e700b4
[10271.606443] RSP: 002b:7f1a2b7fd870 EFLAGS: 0246 ORIG_RAX: 

[10271.606445] RAX: ffda RBX: 0013 RCX: 7f1a50e700b4
[10271.606446] RDX: 0400 RSI: 7f1a04000f90 RDI: 0013
[10271.606446] RBP: 7f1a04000f90 R08: 0001 R09: 
[10271.606447] R10:  R11: 0246 R12: 0400
[10271.606448] R13: 7f1a511482a0 R14:  R15: 7f1a38003a40
[10271.606450] INFO: task lxcfs:84676 blocked for more than 120 seconds.
[10271.612911]   Tainted: P   OE4.15.0-20-generic #21-Ubuntu
[10271.619722] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this 
message.
[10271.627577] lxcfs   D0 84676  1 0x
[10271.627579] Call Trace:
[10271.627583]  __schedule+0x297/0x8b0
[10271.627589]  schedule+0x2c/0x80
[10271.627594]  schedule_preempt_disabled+0xe/0x10
[10271.627598]  __mutex_lock.isra.2+0x18c/0x4d0
[10271.627600]  __mutex_lock_slowpath+0x13/0x20
[10271.627601]  ? __mutex_lock_slowpath+0x13/0x20
[10271.627602]  mutex_lock+0x2f/0x40
[10271.627604]  proc_cgroup_show+0x4c/0x2a0
[10271.627606]  proc_single_show+0x56/0x80
[10271.627608]  seq_read+0xe5/0x430
[10271.627610]  __vfs_read+0x1b/0x40
[10271.627611]  vfs_read+0x8e/0x130
[10271.627613]  SyS_read+0x55/0xc0
[10271.627615]  do_syscall_64+0x73/0x130
[10271.627617]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[10271.627618] RIP: 0033:0x7f1a50e700b4
[10271.627618] RSP: 002b:7f1a297f9870 EFLAGS: 0246 ORIG_RAX: 

[10271.627620] RAX: ffda RBX: 0014 RCX: 7f1a50e700b4
[10271.627620] RDX: 0400 RSI: 7f1a2c001e80 RDI: 0014
[10271.627621] RBP: 7f1a2c001e80 R08: 0001 R09: 
[10271.627622] R10:  R11: 0246 R12: 0400
[10271.627622] R13: 7f1a511482a0 R14:  R15: 7f1a2c002b10
[10271.627625] INFO: task lxcfs:115507 blocked for more than 120 seconds.
[10271.634180]   Tainted: P   OE4.15.0-20-generic #21-Ubuntu
[10271.641007] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this 
message.
[10271.648870] lxcfs   D0 115507  1 0x
[10271.648872] Call Trace:
[10271.648876]  __schedule+0x297/0x8b0
[10271.648883]  schedule+0x2c/0x80

[Bug 1773392] Re: zfs hangs on mount/unmount

[Simos Xenitellis ]

** Bug watch added: Github Issue Tracker for ZFS #7659
   https://github.com/zfsonlinux/zfs/issues/7659

** Changed in: linux
   Status: Fix Released => Unknown

** Changed in: linux
 Remote watch: Github Issue Tracker for ZFS #7691 => Github Issue Tracker for 
ZFS #7659

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Title:
  zfs hangs on mount/unmount

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[Bug 1773392] Re: zfs hangs on mount/unmount

[Simos Xenitellis ]

Upstream bug report and pull request to try:

"Kernel error "task zfs:pid blocked for more than 120 seconds" #7691"
https://github.com/zfsonlinux/zfs/issues/7691

"Fix zpl_mount() deadlock #7693"
https://github.com/zfsonlinux/zfs/pull/7693

** Bug watch added: Github Issue Tracker for ZFS #7691
   https://github.com/zfsonlinux/zfs/issues/7691

** Also affects: linux via
   https://github.com/zfsonlinux/zfs/issues/7691
   Importance: Unknown
   Status: Unknown

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Title:
  zfs hangs on mount/unmount

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[Bug 1607355] Re: Task (usually mongod) blocked more 120 seconds (lock-ups) in juju on lxc/lxd + zfs

[Simos Xenitellis ]

This might be related to #1773392.

On the other hand, the issue in #1773392 appears to have been introduced
in more recent kernels (16.04 not affected).

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Title:
  Task (usually mongod) blocked more 120 seconds (lock-ups) in juju on
  lxc/lxd + zfs

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[Bug 1661590] Re: GNOME Software only supports running one application from a snap

[Simos Xenitellis ]

I just tried again and now Software launches the correct command from the snap.
I do not remember for certain whether I closed Software with Ctrl+Q.
Sorry for the inconvenience.

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Title:
  GNOME Software only supports running one application from a snap

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Re: Typo at 18.04 intro screen

[Simos Xenitellis]

On Sat, Apr 21, 2018 at 10:02 PM, Simos Xenitellis
<simos.li...@googlemail.com> wrote:
> Hi All,
>
> I saw the screenshot at
> https://www.omgubuntu.co.uk/2018/04/will-you-upgrade-to-ubuntu-18-04-lts-poll
> which has the text
>
> "Ubuntu 18:04 works differently from other versions."
>
> There is a typo in the version, "18:04" instead of "18.04".
> Which version of the "gnome-initial-setup" is used?
>
> Because at 
> https://translations.launchpad.net/ubuntu/bionic/+source/gnome-initial-setup/+pots/gnome-initial-setup/el/+translate?batch=10=all=Differently
> the source string appears to be OK.
>

I just noticed Gunnar's email about gnome-initial-setup and the need
for translating it.

I did not see a forked gnome-initial-setup (it points to upstream at GNOME).
What would explain the screenshot that says "from other versions"
while the package has "from older versions"?

Simos

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Typo at 18.04 intro screen

[Simos Xenitellis]

Hi All,

I saw the screenshot at
https://www.omgubuntu.co.uk/2018/04/will-you-upgrade-to-ubuntu-18-04-lts-poll
which has the text

"Ubuntu 18:04 works differently from other versions."

There is a typo in the version, "18:04" instead of "18.04".
Which version of the "gnome-initial-setup" is used?

Because at 
https://translations.launchpad.net/ubuntu/bionic/+source/gnome-initial-setup/+pots/gnome-initial-setup/el/+translate?batch=10=all=Differently
the source string appears to be OK.

Simos

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Re: UIFe: Notification for livepatch are not shown.

[Simos Xenitellis]

The link to the translation template is
https://translations.launchpad.net/ubuntu/bionic/+sources/update-notifier/+translations

When translating Ubuntu at https://translations.launchpad.net/ubuntu
the "update-notifier" is currently No 12 in the list of translation
templates for Bionic.

Simos

On Wed, Apr 11, 2018 at 4:05 PM, Andrea Azzarone <azzaro...@gmail.com> wrote:
> Hi doc/translators,
>
> In order to properly show Livepatch notification in Bionic we need to
> install some desktop files in /etc/xdg/autostart/ in order to woraround a
> problem with the Systemd user session. The deskop files contain some
> translatable strings but they're marked as "NoDisplay=True", so the impact
> of non-translated strings should be minimum.
>
> The bug report:
> https://bugs.launchpad.net/ubuntu/+source/update-notifier/+bug/1761841
> The merge request:
> https://code.launchpad.net/~azzar1/update-notifier/xdg-autostart-path-units/+merge/342808
>
> Thanks!
>
> --
> Andrea Azzarone
>
> --
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> https://lists.ubuntu.com/mailman/listinfo/ubuntu-translators
>

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Re: Wrong default repository URL for Greece, how to change?

[Simos Xenitellis]

On Tue, Apr 10, 2018 at 11:47 AM, Gunnar Hjalmarsson
<gunna...@ubuntu.com> wrote:
> On 2018-04-10 10:09, Simos Xenitellis wrote:
>>
>> When I try to perform a package update after installation, I get this
>> error:
>>
>> myusername@virtualbox:~$ sudo apt update
>> Σφάλμα:1 http://gr.archive.ubuntu.com/ubuntu bionic InRelease
>>403  Forbidden [IP: 83.235.64.44 80]
>> Σφάλμα:2 http://gr.archive.ubuntu.com/ubuntu bionic-updates InRelease
>>403  Forbidden [IP: 83.235.64.44 80]
>> Σφάλμα:3 http://gr.archive.ubuntu.com/ubuntu bionic-backports InRelease
>>403  Forbidden [IP: 83.235.64.44 80]
>> Hit:4 http://security.ubuntu.com/ubuntu bionic-security InRelease
>>
>> What happened, is that the default http repository URL for Greece (and
>> possibly Cyprus) has the "/ubuntu" path appended to it, while it is
>> not needed.
>> That is, Ubuntu tries to connect to
>> http://gr.archive.ubuntu.com/ubuntu while it should just have used
>> http://gr.archive.ubuntu.com/ (without /ubuntu/) instead.
>>
>> The correct settings are (Greece, default repository settings):
>>
>> HTTP: http://ubuntu.otenet.gr/  <- without /ubuntu/
>> FTP:   ftp://ftp.otenet.gr/ubuntu/
>>
>> The question is, how/where do we make this fix?
>
>
> Open Software & Updates and change to some other server there.
> gr.archive.ubuntu.com isn't even an option there, so it may be new. Either a
> bug in the installer, or the new mirror has not been set up correctly.
>
> (Please note that this is off topic on the ubuntu-translators mailing list.)
>

I looked deeper into this and thankfully it sorted itself out.

It is an issue that each LoCo team should deal with, so it would be
more appropriate
to the loco mailing list. It is under the umbrella though of the
general L10n work for Ubuntu.
Each Ubuntu installation in a country ("CC") has a default
CC.archive.ubuntu.com mirror.
If you did not set up that mirror to an appropriate mirror in your
country, then you are using
the default in the UK, which might be slower for your users.
The existing archive mirrors are at https://launchpad.net/ubuntu/+archivemirrors
and a LoCo coordinator would need to follow
https://wiki.ubuntu.com/Mirrors to arrange for the best local mirror.

In our case, the http://ubuntu.otenet.gr/ (real URL) archive mirror
erased momentarily the /ubuntu directory.
Their setup looks to be a bit weird because the "/ubuntu" directory
appears to be a link to "/".
The solution to this is to contact the mirror admin as there is no
urgency anymore.

Simos

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Wrong default repository URL for Greece, how to change?

[Simos Xenitellis]

Hi All,

I just installed Ubuntu 18.04 Beta2 (Final beta), with the default
locale for Greece.
During installation, Ubuntu was able to install updates and drivers.

When I try to perform a package update after installation, I get this error:

myusername@virtualbox:~$ sudo apt update
Σφάλμα:1 http://gr.archive.ubuntu.com/ubuntu bionic InRelease
  403  Forbidden [IP: 83.235.64.44 80]
Σφάλμα:2 http://gr.archive.ubuntu.com/ubuntu bionic-updates InRelease
  403  Forbidden [IP: 83.235.64.44 80]
Σφάλμα:3 http://gr.archive.ubuntu.com/ubuntu bionic-backports InRelease
  403  Forbidden [IP: 83.235.64.44 80]
Hit:4 http://security.ubuntu.com/ubuntu bionic-security InRelease


What happened, is that the default http repository URL for Greece (and
possibly Cyprus) has the "/ubuntu" path appended to it, while it is
not needed.
That is, Ubuntu tries to connect to
http://gr.archive.ubuntu.com/ubuntu while it should just have used
http://gr.archive.ubuntu.com/ (without /ubuntu/) instead.

The correct settings are (Greece, default repository settings):

HTTP: http://ubuntu.otenet.gr/  <- without /ubuntu/
FTP:   ftp://ftp.otenet.gr/ubuntu/


The question is, how/where do we make this fix?

Simos

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Re: Where do we translate indicator-datetime (and family) on Launchpad?

[Simos Xenitellis]

On Tue, Apr 3, 2018 at 8:52 PM, Gunnar Hjalmarsson <gunna...@ubuntu.com> wrote:
> Hi again, Simos!
>
> On 2018-04-01 00:41, Gunnar Hjalmarsson wrote:
>>
>> On 2018-03-29 13:30, Simos Xenitellis wrote:
>>>
>>> My goal is to do a quality review of the Greek localization as
>>> provided in the stock Ubuntu 18.04 (i.e. GNOME Shell). I am at the
>>> stage of doing 'msgunfmt' on the installed .mo files in order to
>>> figure out typos and such.
>>
>>
>> You shouldn't really need to do that.
>>
>>> What I understand, is that the various
>>> /usr/share/locale-langpack/LL/LC_MESSAGES/*-indicator.mo files are
>>> provided by the langpack,
>>
>>
>> They are provided by the langpacks at the moment, but if steps are not
>> taken to prevent it, they will disappear before the release of 18.04 (when a
>> full langpack update is accomplished).
>>
>> I have posted this to the community hub:
>>
>> https://community.ubuntu.com/t/translation-of-unity-packages/4919
>>
>> I'd advise you to await the result of that before dealing with
>> translations of indicator-* and other Unity packages.
>
>
> There is also <https://launchpad.net/bugs/1760435>. Some work remains to be
> done, but if you want to fix some Greek indicator-datetime translations, you
> can now do so from the LP interface as usual:
>
> https://translations.launchpad.net/ubuntu/bionic/+source/indicator-datetime/+pots/indicator-datetime/el
>

Thanks Gunnar!

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Re: Notes about translation of Ubuntu 18.04

[Simos Xenitellis]

On Tue, Apr 3, 2018 at 2:20 AM, Gunnar Hjalmarsson <gunna...@ubuntu.com> wrote:
> On 2018-04-02 23:37, Simos Xenitellis wrote:
>>
>> Do the daily ISOs get the exported Launchpad translations of the
>> previous day?
>
>
> No.
>
>> If not, when do the translations make it to the daily ISOs?
>
>
> New language packs are created weekly during the development cycle. So once
> such a langpack update has landed, the next 7 (or so) daily ISOs will carry
> those langpacks.
>

Thanks.

To check if there is a new language pack, I do (now):

myusername@vbox:~$ apt policy language-pack-el
language-pack-el:
  Εγκατεστημένα: 1:18.04+20180322
  Υποψήφιο:  1:18.04+20180329
  Πίνακας Έκδοσης:
 1:18.04+20180329 500
500 http://gr.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
500 http://gr.archive.ubuntu.com/ubuntu bionic/main i386 Packages
 *** 1:18.04+20180322 100
100 /var/lib/dpkg/status
myusername@vbox:~$

It says that I have installed the 2018-03-22 version, and there is a
new version 2018-03-29 waiting to be installed.

Simos

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Re: Notes about translation of Ubuntu 18.04

[Simos Xenitellis]

On Tue, Apr 3, 2018 at 3:12 AM, Gunnar Hjalmarsson <gunna...@ubuntu.com> wrote:
> On 2018-04-02 23:48, Simos Xenitellis wrote:
>>
>> For those languages that have nouns with a genitive form (usually
>> Eastern European languages), they can update for date format strings
>> to appear more natural. The locale files have been autoupdated a few
>> months ago, and the changes are in 18.04.
>> This has been posted here a few months ago as well.
>>
>> In a nutshell, the genitive form of a noun like "April" is a single
>> word in Greek and looks like "Apriliou".
>> In English, the genitive form is not a single word, it's "of April".
>> In Ubuntu 16.04, the locale for the full month name in Greek was
>> "April" (Απρίλης).
>> In Ubuntu 18.04, the new locale has "Apriliou" (Απριλίου) instead.
>>
>> I do not have the definitive list of the locations of the date format
>> strings.
>
>
> Thanks for that info!
>
> Just run this command:
>
> $ LC_TIME=el_GR.UTF-8 locale alt_mon
> Ιανουάριος;Φεβρουάριος;Μάρτιος;Απρίλιος;Μάιος;Ιούνιος;Ιούλιος;Αύγουστος;Σεπτέμβριος;Οκτώβριος;Νοέμβριος;Δεκέμβριος
>
> Do you know if there is a strftime() conversion specification available yet,
> similar to %B, which refers to this new alt_mon component in the locale
> definitions?
>

There is a GNU extension for glibc2 for this, and it's "%OB" (that's a
capital "o"). That is, a modifier is added to get the alternate month
name.
This was added in glibc 2.27, and it's in Ubuntu 18.04.

Overall, quoting from
http://www.gnu.org/software/libc/manual/html_node/Formatting-Calendar-Time.html
:

"An optional modifier can follow the optional flag and width
specification. The modifiers, which were first standardized by
POSIX.2-1992 and by ISO C99, are:
   EUse the locale’s alternate representation for date and time.
This modifier applies to the %c, %C, %x, %X, %y and %Y format
specifiers. In a Japanese locale, for example, %Ex might yield a date
format based on the Japanese Emperors’ reigns.
   OWith all format specifiers that produce numbers: use the
locale’s alternate numeric symbols.

   With %B, %b, and %h: use the grammatical form for month names that
is appropriate when the month is named by itself, rather than the form
that is appropriate when the month is used as part of a complete date.
This is a GNU extension."


Things to look for:

1. In previous versions of Ubuntu, %B is the month name in the nominative case.
In Ubuntu 18.04 (glibc2.27 or newer), %B is the month name in the
genitive case. %OB is the month name in the nominative case.

That is, %B has changed in its use. The reason is that %OB was already
implemented that way in FreeBSD,
so glibc2 did the switch as well for compatibility.

2. GCC currently emits a warning when it sees the %OB format, when you
compile code.
It is the code in GCC that checks for security issues in format
strings, and has not been updated yet.

3. The 'date' command does not support yet the %OB format. Apparently,
`date` does not pass the format verbatim to strftime(),

$ date "+%OB %B"
%OB Απριλίου

Simos

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Re: Notes about translation of Ubuntu 18.04

[Simos Xenitellis]

Hi Gunnar,

For those languages that have nouns with a genitive form (usually
Eastern European languages),
they can update for date format strings to appear more natural.
The locale files have been autoupdated a few months ago, and the
changes are in 18.04.
This has been posted here a few months ago as well.

In a nutshell, the genitive form of a noun like "April" is a single
word in Greek and looks like "Apriliou".
In English, the genitive form is not a single word, it's "of April".
In Ubuntu 16.04, the locale for the full month name in Greek was
"April" (Απρίλης).
In Ubuntu 18.04, the new locale has "Apriliou" (Απριλίου) instead.

I do not have the definitive list of the locations of the date format strings.

Simos

On Sun, Apr 1, 2018 at 10:25 PM, Gunnar Hjalmarsson <gunna...@ubuntu.com> wrote:
> Hi all!
>
> 2.5 weeks left until final freeze, and I'd like to call your attention to a
> few things.
>
> The translation coverage of the snapd package (the snappy template) is poor
> in many languages. Some issues with the translation template have probably
> contributed to that, but also the fact that the template has had too low
> priority in the Launchpad interface. I have raised the priority, so now the
> snappy template is shown on the first page of the translation overview for
> respective language, for instance:
>
> https://translations.launchpad.net/ubuntu/bionic/+lang/gl
>
> It should be noted that Launchpad is upstream for the snapd translations.
>
> After the switch to GNOME, some of the core GNOME packages are more
> important than when Unity was default in Ubuntu. The GNOME packages are
> translated upstream, and in many cases the upstream translations are simply
> imported to LP and added to our language packs and there is not much to do
> for the translators on the Ubuntu side.
>
> But..
>
> Some of the GNOME packages have Ubuntu modifications with translatable
> strings which have to be translated via Launchpad.
>
> gnome-software
> gnome-control-center
> gnome-online-accounts
> gnome-session
>
> I'm sure there are more of the kind, but the ones mentioned are some of the
> most important. (Also, due to various packaging issues some of the Ubuntu
> specific strings have been made available at Launchpad just recently.)
>
> It may consequently be a good idea to review the Launchpad translation
> overview and look for GNOME templates with untranslated strings, even for
> packages which you know are fully translated upstream.
>
> As regards the Ubuntu Desktop Guide: As mentioned previously, the desktop
> guide now consists to >90% of pages from the gnome-user-docs and
> gnome-getting-started-docs packages, which are translated upstream only. The
> ubuntu-docs package (template ubuntu-help), which adds a few pages, is
> translated at LP, though.
>
> That's it for now. Please don't hesitate to ask for clarifications. And, if
> you encounter Ubuntu issues when translating, please file bug reports
> against the ubuntu-translations project.
>
> --
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> https://launchpad.net/~gunnarhj
>
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Re: Notes about translation of Ubuntu 18.04

[Simos Xenitellis]

Hi Gunnar,

Do the daily ISOs get the exported Launchpad translations of the previous day?
If not, when do the translations make it to the daily ISOs?

Simos

On Sun, Apr 1, 2018 at 10:25 PM, Gunnar Hjalmarsson <gunna...@ubuntu.com> wrote:
> Hi all!
>
> 2.5 weeks left until final freeze, and I'd like to call your attention to a
> few things.
>
> The translation coverage of the snapd package (the snappy template) is poor
> in many languages. Some issues with the translation template have probably
> contributed to that, but also the fact that the template has had too low
> priority in the Launchpad interface. I have raised the priority, so now the
> snappy template is shown on the first page of the translation overview for
> respective language, for instance:
>
> https://translations.launchpad.net/ubuntu/bionic/+lang/gl
>
> It should be noted that Launchpad is upstream for the snapd translations.
>
> After the switch to GNOME, some of the core GNOME packages are more
> important than when Unity was default in Ubuntu. The GNOME packages are
> translated upstream, and in many cases the upstream translations are simply
> imported to LP and added to our language packs and there is not much to do
> for the translators on the Ubuntu side.
>
> But..
>
> Some of the GNOME packages have Ubuntu modifications with translatable
> strings which have to be translated via Launchpad.
>
> gnome-software
> gnome-control-center
> gnome-online-accounts
> gnome-session
>
> I'm sure there are more of the kind, but the ones mentioned are some of the
> most important. (Also, due to various packaging issues some of the Ubuntu
> specific strings have been made available at Launchpad just recently.)
>
> It may consequently be a good idea to review the Launchpad translation
> overview and look for GNOME templates with untranslated strings, even for
> packages which you know are fully translated upstream.
>
> As regards the Ubuntu Desktop Guide: As mentioned previously, the desktop
> guide now consists to >90% of pages from the gnome-user-docs and
> gnome-getting-started-docs packages, which are translated upstream only. The
> ubuntu-docs package (template ubuntu-help), which adds a few pages, is
> translated at LP, though.
>
> That's it for now. Please don't hesitate to ask for clarifications. And, if
> you encounter Ubuntu issues when translating, please file bug reports
> against the ubuntu-translations project.
>
> --
> Gunnar Hjalmarsson
> https://launchpad.net/~gunnarhj
>
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[Bug 1759833] Re: Update Greek translation for Firefox Desktop Action (firefox.desktop)

[Simos Xenitellis ]

** Tags added: l10n

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Title:
  Update Greek translation for Firefox Desktop Action (firefox.desktop)

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Re: How to translate for Firefox "Open a New Private Window"?

[Simos Xenitellis]

On Sun, Apr 1, 2018 at 1:52 AM, Gunnar Hjalmarsson <gunna...@ubuntu.com> wrote:
> On 2018-03-29 13:56, Simos Xenitellis wrote:
>>
>> ... and filed the following bug report for Greek:
>>
>> https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1759833
>
>
> Ok, that's good. But please consider that there are 2500+ open firefox
> (Ubuntu) bugs.. My belief is that you'll more likely get the Mozilla team's
> attention if you also submit a merge proposal similarly to what the reporter
> of <https://launchpad.net/bugs/1748761> did.
>

Thanks, I submitted a merge proposal,
https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1759833

I hope the issue gets resolved. There are only two patches in review,
both on l10n,
https://code.launchpad.net/~mozillateam/firefox/firefox-trunk.head/+activereviews
I hope I get the approval soon or I'll nudge like ~AsciiWolf did.

There are indeed about 2500 bug reports for
https://launchpad.net/ubuntu/+source/firefox
The vast majority of them are "undecided", and most refer to old
versions of Firefox.
Firefox has changed engine recently, therefore most reports may not apply.

Simos

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[Bug 1661590] Re: GNOME Software only supports running one application from a snap

[Simos Xenitellis ]

** Tags removed: verification-done
** Tags added: verification-done-xenial

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Title:
  GNOME Software only supports running one application from a snap

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[Bug 1661590] Re: GNOME Software only supports running one application from a snap

[Simos Xenitellis ]

Hi!

On Ubuntu 16.04 (xenial) I enabled the `xenial-proposed` repository and
upgrade `gnome-software`.

$ apt policy gnome-software
gnome-software:
  Installed: 3.20.5-0ubuntu0.16.04.10
  Candidate: 3.20.5-0ubuntu0.16.04.10
  Version table:
 *** 3.20.5-0ubuntu0.16.04.10 400
400 http://archive.ubuntu.com/ubuntu xenial-proposed/main amd64 Packages
100 /var/lib/dpkg/status
 3.20.5-0ubuntu0.16.04.8 500
500 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages
 3.20.1+git20160420.1.ca63436.ubuntu-xenial-0ubuntu2 500
500 http://archive.ubuntu.com/ubuntu xenial/main amd64 Packages

I launched `gnome-software` and located the `libreoffice` snap package.
I clicked on the Launch button.

WHAT HAPPENED: LibreOffice Base was launched (the wizard for Base to open a 
database).
When I do 'snap info libreoffice', libreoffice.base is the first in the list.

WHAT SHOULD HAPPEN: 
It should launch `libreoffice` instead.


** Tags removed: verification-needed-xenial
** Tags added: verification-failed-xenial

** Tags removed: verification-needed
** Tags added: verification-done

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  GNOME Software only supports running one application from a snap

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[Bug 1759601] Re: [UIFe] 18.04 LTS Bionic Beaver Mascot

[Simos Xenitellis ]

The string has not appeared yet in the translation template for 
"ubiquity-slideshow-ubuntu".
I suppose this will happen soonish?

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Title:
  [UIFe] 18.04 LTS Bionic Beaver Mascot

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[Bug 1759833] [NEW] Update Greek translation for Firefox Desktop Action (firefox.desktop)

[Simos Xenitellis ]

Public bug reported:

Please apply the attached patch that updates the Greek translation
for the file "firefox/debian/firefox.desktop.in".

** Affects: firefox (Ubuntu)
 Importance: Undecided
 Status: New


** Tags: patch

** Patch added: "Translation update for Greek (file: 
firefox/debian/firefox.desktop.in)"
   
https://bugs.launchpad.net/bugs/1759833/+attachment/5094719/+files/firefox-desktop-ini-lang-el.diff

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Title:
  Update Greek translation for Firefox Desktop Action (firefox.desktop)

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Re: How to translate for Firefox "Open a New Private Window"?

[Simos Xenitellis]

Thanks Gunnar and Sebastien for the replies.

I think that, ideally, all "app-install-data-ubuntu" translations
should be exported from launchpad,
and then the related fierfox.desktop translations should be merged
into this firefox.desktop.
That would make the task easier for the maintainer of the firefox
package on Launchpad.

I took into account this report,
https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1668664
and filed the following bug report for Greek:

https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1759833

Cheers,
Simos


On Thu, Mar 29, 2018 at 11:45 AM, Sebastien Bacher <seb...@ubuntu.com> wrote:
> Hey,
>
> Le 29/03/2018 à 01:56, Gunnar Hjalmarsson a écrit :
>
> Please see <https://launchpad.net/bugs/1748761>. The reporter of that bug
> filed a merge proposal (my idea), but nobody has responded to it yet, so I
> can't tell if that's the best way to add translations to the file. You may
> want to file a merge proposal for Greek, which at least might help to call
> the developers' attention to this issue. :)
>
> Right, that's the correct way so other should send a patch or a similar
> merge request. I pinged our firefox maintainer to ask if you could get those
> reviewed/merged
>
> Cheers,
>
> Sebastien Bacher
>
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Re: Where do we translate indicator-datetime (and family) on Launchpad?

[Simos Xenitellis]

Thanks Gunnar and Sebastien for your replies.

My goal is to do a quality review of the Greek localization as
provided in the stock Ubuntu 18.04 (i.e. GNOME Shell).
I am at the stage of doing 'msgunfmt' on the installed .mo files in
order to figure out typos and such.

What I understand, is that the various
/usr/share/locale-langpack/LL/LC_MESSAGES/*-indicator.mo files
are provided by the langpack, but their executable files are not
installed/required in GNOME Shell (in 18.04).

I am happy to do a translation update specifically for
datetime-indicator for Unity7 in 18.04 relating to the recent changes
in the datetime formats in glibc.

@Khurshid, please tell me what is more convenient to you to make these
translation changes for Greek.

Simos

On Thu, Mar 29, 2018 at 11:37 AM, Sebastien Bacher <seb...@ubuntu.com> wrote:
> Hey there,
>
> Le 29/03/2018 à 01:56, Gunnar Hjalmarsson a écrit :
>
>
> Since those packages are no longer part of standard Ubuntu, they have been
> moved from main to universe, and the translation templates have been dropped
> from Launchpad (as you have already noticed). If I understand it correctly,
> it means that the .mo files will be built from the .po files present in the
> source of respective package and end up in
> /usr/share/locale//LC_MESSAGES next time respective package is
> uploaded.
>
> Since those projects have been Ubuntu focussed and translators on launchpad
> are usually working on Ubuntu translations and since we have the
> translations in good shape for the indicators I think it would make sense to
> keep using langpacks.
>
> That means adding "X-Ubuntu-Use-Langpack: yes" to their debian/control and
> doing an upload.
>
> The other way would be to export/download the translations for each
> indicators, copy them/commit to the source and do an upload. But then you
> need to keep doing that or you need to communicate to translators that they
> need to submit their fixes to those projects.
>
> Cheers,
>
> Sebastien Bacher

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Re: How to translate for Firefox "Open a New Private Window"?

[Simos Xenitellis]

Hi Jean-Marc,

That specific message comes from a desktop.ini file and not from the
Mozilla project.
I did a search at https://pontoon.mozilla.org/el/firefox/ and could not find it.

I expected that it would be translated into a major language like
Spanish, and installed the Spanish locale.
Then, I ran 'msgunfmt' on the .mo files at
/usr/share/locale-langpack/es/LC_MESSAGES/* and got a hit.
It has been translated in Spanish, therefore it was found. It is a
string that comes from 'app-install-data'.

I looked into 'app-install-data' for Greek, and I found the string
translated, and has been for quite some time,
https://translations.launchpad.net/ubuntu/bionic/+source/app-install-data-ubuntu/+pots/app-install-data/el/+translate?batch=10=all=New+Private

I then checked the firefox.desktop file, at
/usr/share/applications/firefox.desktop
There are strings in there for Open Window, and also (fewer) to Open a
New Private Window.
It has 15 languages (ar, ca, de, es, fi, fr, he, hu, it, nb, ru, sl,
tr, uk, zh_TW).

I verified that in Polish, the string is translated but does not
appear either in firefox.desktop.

Anyone has an idea as to what needs to be done to get our translation
in firefox.desktop?

Simos

On Wed, Mar 28, 2018 at 11:50 PM, balthazar <m.baltha...@orange.fr> wrote:
> Le 28/03/2018 à 22:37, Simos Xenitellis a écrit :
>
> Hi All,
>
> When you right-click on the Firefox icon on the launcher (in 18.04),
> you can the option to open a new private window.
> In my case it is untranslated. Where can we translate this message from?
>
> Simos
>
> Hello Simos,
>
> Firefox is not translated by Ubuntu translators.
> For Mozilla, see here : https://l10n.mozilla.org/
>
> Jean-Marc
>
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How to translate for Firefox "Open a New Private Window"?

[Simos Xenitellis]

Hi All,

When you right-click on the Firefox icon on the launcher (in 18.04),
you can the option to open a new private window.
In my case it is untranslated. Where can we translate this message from?

Simos

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Where do we translate indicator-datetime (and family) on Launchpad?

[Simos Xenitellis]

Hi All,

I am trying to fix a couple of issues in the translation of indicator-datetime
(file: /usr/share/locale-langpack/el/LC_MESSAGES/indicator-datetime.mo).
In 18.04 there are many indicator files (indicator-appmenu,
indicator-bluetooth, indicator-session, etc), ten in total.

They do not appear to exist on Launchpad, and those that can be found
there are older versions with not translation templates for Bionic.

Where can I find indicator-datetime on Launchpad with translation template?

Shouldn't they be in
https://translations.launchpad.net/ubuntu/bionic/+lang/el/+index?batch=150
?

Simos

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[Bug 1621550] Re: Snappy should detect when running in KVM, specify correct ssh connection line

[Simos Xenitellis ]

The goal of this report is to deal with the usability issue. The issue
that when you start Ubuntu Core through KVM, you do not get a working
command on how to connect to the running image.

A simple solution could be to adapt the text on #1 to say something
like:


    can connect remotely to this device via SSH:
   
   ssh you@10.0.15.1(if running on standalone 
device)
   ssh you@localhost(if running through KVM)


If KVM guests are not expected to be very common, then no change would be 
necessary. Any instructions that describe  how to boot into KVM, should have 
the additional information on how to connect with SSH.

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[Bug 1701068] Re: motd.ubuntu.com currently shows media item (HBO's Silicon Valley using Ubuntu)

[Simos Xenitellis ]

@Timothy:

There would not be much of a need to collect stats specifically from 
motd.ubuntu.com. The user-agent will just say 'curl' in all cases which is not 
that helpful. 
Also, each distro installation checks every day for security updates, so why 
would anyone bother with motd?

There has been a sad Twitter storm in a tea cup over this, and it makes
otherwise nice people to be negative about Ubuntu.

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  motd.ubuntu.com currently shows media item (HBO's Silicon Valley using
  Ubuntu)

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[Bug 1701068] Re: motd.ubuntu.com currently shows media item (HBO's Silicon Valley using Ubuntu)

[Simos Xenitellis ]

** Summary changed:

- motd.ubuntu.com currently advertises HBO's Silicon Valley
+ motd.ubuntu.com currently shows media item (HBO's Silicon Valley using Ubuntu)

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[Bug 1637800] Re: add a motd script for news

[Simos Xenitellis ]

@Jeremy: I think it would be more appropriate to say that the current
motd.ubuntu.com shows an item about an episode of a TV show, which
depicts Ubuntu being used in some IT task.

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[Bug 1701068] Re: motd is advertising HBO's Silicon Valley

[Simos Xenitellis ]

The script is /etc/update-motd.d/50-motd-news
which reads https://motd.ubuntu.com and displays the text from that page.

Obviously there has been an unfortunate mix-up and it shows that HBO-
related item.

Is it really necessary to conflate this into some conspiracy to display
ads in the Ubuntu Server motd?

** Summary changed:

- motd is advertising HBO's Silicon Valley
+ motd.ubuntu.com currently advertises HBO's Silicon Valley

** Description changed:

- The MOTD is advertising HBO's Silicon Valley. The MOTD should not be
- advertising anything.
+ In Ubuntu 17.04 or newer, there is a script at /etc/update-motd.d/50
+ -motd-news that reads https://motd.ubuntu.com/ and displays that text
+ with the rest of the MOTD.
  
+ Currently, https://motd.ubuntu.com shows a news item about HBO's Silicon 
Valley which has a reference to Ubuntu. 
+ Instead, https://motd.ubuntu.com should show relevant items to those that 
+ use Ubuntu Server (relevant security issues, etc), instead of items for 
desktop users.
+ 
+ =
  Welcome to Ubuntu 17.04 (GNU/Linux 4.10.0-21-generic x86_64)
  
-  * Documentation:  https://help.ubuntu.com
-  * Management: https://landscape.canonical.com
-  * Support:https://ubuntu.com/advantage
+  * Documentation:  https://help.ubuntu.com
+  * Management: https://landscape.canonical.com
+  * Support:https://ubuntu.com/advantage
  
-  * How HBO's Silicon Valley built "Not Hotdog" with mobile TensorFlow,
-Keras & React Native on Ubuntu
-- https://ubu.one/HBOubu
+  * How HBO's Silicon Valley built "Not Hotdog" with mobile TensorFlow,
+    Keras & React Native on Ubuntu
+    - https://ubu.one/HBOubu
+ ==
  
  ProblemType: Bug
  DistroRelease: Ubuntu 17.04
  Package: base-files 9.6ubuntu13
  ProcVersionSignature: Ubuntu 4.10.0-24.28-generic 4.10.15
  Uname: Linux 4.10.0-24-generic x86_64
  ApportVersion: 2.20.4-0ubuntu4
  Architecture: amd64
  Date: Wed Jun 28 12:31:24 2017
  InstallationDate: Installed on 2017-05-02 (56 days ago)
  InstallationMedia: Xubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412)
  ProcEnviron:
-  TERM=xterm-256color
-  PATH=(custom, no user)
-  XDG_RUNTIME_DIR=
-  LANG=en_US.UTF-8
-  SHELL=/bin/bash
+  TERM=xterm-256color
+  PATH=(custom, no user)
+  XDG_RUNTIME_DIR=
+  LANG=en_US.UTF-8
+  SHELL=/bin/bash
  SourcePackage: base-files
  UpgradeStatus: No upgrade log present (probably fresh install)

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[Bug 1701068] Re: motd.ubuntu.com currently advertises HBO's Silicon Valley

[Simos Xenitellis ]

Also, this is not an issue with base-files, but rather with
motd.ubuntu.com.

The proper place to file this, would be somewhere at https://github.com
/canonical-websites

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[Bug 1701068] Re: motd is advertising HBO's Silicon Valley

[Simos Xenitellis ]

Which RSS feed is shown here?

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[Bug 1681513] Re: Ubuntu 17.04/17.10: New feature in NetworkManager stops several WiFi adapters from working (MAC Address Randomization issue)

[Simos Xenitellis ]

@Marcos:

Thanks for reporting that the same issue exists in current 17.10.
There has been a change in the default settings in NetworkManager in upstream
so that the MAC address randomization is not enabled by default.
Currently, Ubuntu 17.10 (daily) has NetworkManager 1.4.4.
I suppose it will get upgraded to 1.6.2 
(https://wiki.gnome.org/Projects/NetworkManager)
which most probably has the new change.

@aleandro: Most probably something else is wrong with your case. 
If you can connect for a bit and soon you get disconnected, then definitely 
something else is the problem.
Can you file another report for your case?
You can do that by running in a terminal the command: 

ubuntu-bug network-manager

and then follow the instructions.

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  adapters from working (MAC Address Randomization issue)

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[Bug 1681513] Re: Ubuntu 17.04/17.10: New feature in NetworkManager stops several WiFi adapters from working (MAC Address Randomization issue)

[Simos Xenitellis ]

** Summary changed:

- Ubuntu 17.04: New privacy feature in NetworkManager stops some WiFi adapters 
from working (mac address randomization)
+ Ubuntu 17.04/17.10: New feature in NetworkManager stops several WiFi adapters 
from working (MAC Address Randomization issue)

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  adapters from working (MAC Address Randomization issue)

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Re: upgrading 10.04 based mail server

[Simos Xenitellis]

On Mon, May 8, 2017 at 3:14 PM, Kristian Rink <kawazu...@gmail.com> wrote:
> Folks;
>
> I'm again looking into finally upgrading our Ubuntu 10.04 based e-mail
> server. Tried this several times in the past and (repeatedly) failed;
> that's why I gave up on it yet in the end we need to get away from
> 10.04 at some point.
>
> Here's my setup: The VM includes cyrus imapd, postfix, a local mysql
> database hosting virtual aliases all along with postfix-mysql and local
> user accounts. Obviously, this system is critical for our business,
> transports > 5k messages per day and has a spool of roughly 500g of
> mail in shared IMAP boxes, as well as a modestly complex set of cyrus
> ACLs controlling access to the IMAP boxes. Completely setting this
> beast up all anew is tough and risky and as it generally works, I just
> wanted to do a step-by-step dist-upgrade of the base system to the most
> recent version.
>
> Unfortunately, this doesn't really work well due to a couple of changes
> especially in cyrus-imapd. Has anyone successfully dist-upgraded such a
> setup and can share some hints, tips, ideas with me on how to get it
> done well?
>

It looks like a complex set up, so when upgrading it, you would need
to partition the task in small pieces,
and test that each upgraded piece works. All these on a test server,
and make sure that all work before flipping the switch.
For example, you can test first that the mail spool works with a newer
imapd to read email.

It will probably help you to test using LXD containers,
https://stgraber.org/2016/03/11/lxd-2-0-blog-post-series-012/
There are images in there for 12.04 (still present), 14.04, 16.04,
16.10, 17.04, so you can pick and choose
which version to launch, and it gets launched in a few seconds.
You can take snapshots of the current state of the container, so when
something newer fails,
you can fallback to the previous good state and continue trying other options.

Simos

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[Bug 1226962] Re: Hotkeys not functional in non-latin keyboard layout

[Simos Xenitellis ]

** Description changed:

- New keyboard layout changer in Ubuntu 13.10 introduce  old-new bug. Any 
system or application hotkey witch use char (for example: ctrl+alt+t for 
terminal or ctrl+t for new tab in browser) become unfunctional when selected 
non-latin keyboard layout.
- Hotkeys with F1-12, numbers and other non-character buttons works perfectly.
+ Keyboard shortcuts are key combinations like Alt+F (usually opens the
+ File menu) and Ctrl+O (usually opens the File→Open... dialog box).
  
- Window manager hotkeys not affected by this bug. All hotkeys in system
- parameters->keyboard->hotkeys->windows works perfect with any keyboard
- layout.
+ There is an issue with non-latin keyboard layouts that the keys under F or O 
(for Alt+F and Ctrl+O respectively) would correspond to some other character.
+ What should happen then? There is some smart functionality (at least in the 
GTK+ library) that when we press a shortcut, it will try to make Alt+F or 
Ctrl+O work, even if the active keyboard layout is not English.
  
- Workaround for some system hotkeys and two layouts (english and non-
- latin): rebind all hotkeys in your local layout. For example instead of
- ctrl+alt+t use ctrl+alt+τ (greek tau). That hotkey still work with
- english layout.  If you use english and two different non-latin layouts
- this workaround helps only with one of them.
+ For this smart functionality to work, it requires us to have as first 
keyboard layout the English (en) layout. Then, GTK+ will be able to
+ check whether the shortcut makes sense for English, and if so, will run it.
+ All that even if the active layout is Greek or Russian or something else. 
  
+ This report has over 300 comments and these comments include all sort of 
corner cases that indeed shortcuts do not work. In general, shortcuts work,
+ but in specific cases there are issues that need to be fixed.
  
- Dear Ubuntu users and developers! 
- Please include the following information to your comment about non-latin 
shortcuts problems:
- 1. What Ubuntu version do you have (Ubuntu 13.10, Ubuntu 13.10 GNOME, Ubuntu 
14.04, Ubuntu 14.04 GNOME and so on), upgraded (describe version) or clean 
installed
- 2. What keyboard layout do you have
- 3. What shortcut for keyboard layout switching do you use 
- 4. On which session you have problems - that is one from Unity, GNOME Shell, 
GNOME FlashBack/Fallback (Metacity), GNOME FlashBack/Fallback (Compiz)
- 5. With which program and its version and origin (Ubuntu repositories, PPA, 
non-deb binary package from some website) you have problems.
+ What we need to do, is collect those corner cases and create new
+ separate reports.
  
- By providing this information you can make bug-fixing much simpler and
- may be faster.
+ Here are the corner cases:
  
- --
- For other layout switching problems introduced in Ubuntu 13.10 you can see 
bug 1218322.
- --
+ 1. In Dash (in Unity 7), shortcuts like Super+S/W work (for example, Greek, 
Russian), but they do not work for Super+A/F/M/C/V. 
+ Report: 
+ 
+ 2. Java GUI applications on Linux do not support shortcuts in non-latin 
languages. This is an issue with Java and should be reported there.
+ Java GUI apps are not included in any of the Ubuntu ISOs. 
+ Report: 
+ 
+ 3. Shortcuts that use Ctrl on LibreOffice work for several languages (like 
Greek, Russian), but has been reported not to work on Hebrew.
+ This should be a separate bug report specific to Hebrew and other languages 
affected in the same way.
+ Report: 

** Summary changed:

- Hotkeys not functional in non-latin keyboard layout
+ Keyboard shortcuts (hotkeys) not functional in some cases in non-latin 
keyboard layout

** Summary changed:

- Keyboard shortcuts (hotkeys) not functional in some cases in non-latin 
keyboard layout
+ Keyboard shortcuts (hotkeys) not functional in some cases in non-latin 
keyboard layouts

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[Bug 1226962] Re: Hotkeys not functional in non-latin keyboard layout

[Simos Xenitellis ]

@nrbrtx: As noted in #329, the shortcuts for Super+A/F/M/C/V indeed do
not work on Unity.

However, the shortcuts for Super+S/W actually work. This means that the
functionality is there to make Super+A/F/M/C/V work as well. See the
screenshot at #329 that demonstrates that Russian is OK for Super+S/W.

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[Bug 1226962] Re: Hotkeys not functional in non-latin keyboard layout

[Simos Xenitellis ]

@dror-sign: I have tested with Ctrl+O (File→Open...). 
Indeed, when they keyboard layout is in Hebrew, Ctrl+O in Libreoffice does not 
work.
However, Ctrl+O in LibreOffice for at least Greek and Russian works.

Therefore, this inability for Ctrl+... shortcuts not working in
LibreOffice for Hebrew is an issue by itself, that is specific to Hebrew
(and needs a new report that is specific to Hebrew and other layouts
that are affected in the same way).

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[Bug 1226962] Re: Hotkeys not functional in non-latin keyboard layout

[Simos Xenitellis ]

@dror-sign: I just tried the Alt+F shortcut on LibreOffice, on Ubuntu
16.04, having enabled the Hebrew keyboard layout. It worked for me.

You are supposed to have as primary keyboard layout the English (En)
keyboard layout.

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[Bug 1226962] Re: Hotkeys not functional in non-latin keyboard layout

[Simos Xenitellis ]

@xeron-oskom: Indeed, Super+A/F/M/C/V are not adapted and do not currently work 
with Greek either. 
However, what is working, are those shortcuts that I show in my screenshot 
(Super+W, Super+S).

Here is a screenshot that shows that when you switch to Russian keyboard
layout, the Unity shortcuts for Super+W and Super+S are adapted
automatically for Russian.

The way that Super+W and Super+S work, makes me believe that these are not 
hard-coded but dynamic.
Here is relevant code 
http://bazaar.launchpad.net/~unity-team/unity/trunk/files/head:/shortcuts/


** Attachment added: "unity-shortcuts-russian.png"
   
https://bugs.launchpad.net/unity/+bug/1226962/+attachment/4865983/+files/unity-shortcuts-russian.png

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[Bug 1226962] Re: Hotkeys not functional in non-latin keyboard layout

[Simos Xenitellis ]

@nazar-pc: It is very important to care and make an effort to figure out what 
is going on.
Your case is about Java apps, which is a distinctive group of GUI programs. 
I am not aware of functionality that XIM ('setxkbmap') would offer the feature 
to have working shortcuts with non-English layouts, unless it is some hack that 
is specific to the Java app.

For your case, I highly recommend for you to create a new bug report under 
"java-common",
https://launchpad.net/ubuntu/+source/java-common
with a title like "Shortcuts/hotkeys not working when non-latin layout is 
active",
and describe in detail the problem and add your workaround using "setxkbmap".

Then, post the URL of the report here so that those that are interested, can 
subscribe as well.
I'll then look to find the appropriate upstream project and link there.

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[Bug 1226962] Re: Hotkeys not functional in non-latin keyboard layout

[Simos Xenitellis ]

@xeron-oskom: The Unity 7 shortcuts are adapted accordingly when the keyboard 
layout is switched to Greek. See screenshot below. 
When you keep pressed the Win key, you get that information text with all 
shortcuts. 

Admittedly, I just checked that a few shortcuts are not adapted for Greek so 
they require specific bug reports. However, the general functionality is there.
Can you check what is shown in my screenshot, but for Russian?

This bug report has reached 325 comments. Any developer would struggle
to make sense as it is now.

** Attachment added: "Unity 7 shortcuts, when the keyboard layout is switched 
to Greek"
   
https://bugs.launchpad.net/unity/+bug/1226962/+attachment/4865846/+files/unity7-shortcuts.png

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[Bug 1226962] Re: Hotkeys not functional in non-latin keyboard layout

[Simos Xenitellis ]

@nazar-pc: Java GUI apps on Linux is a special case. Firstly, they are
no such apps pre-installed, so it is somewhat a non-Ubuntu problem.

Gedit is written in the C programming language and is part of the core
GNOME apps. It is well-support and shortcuts work. It has been working
for 10+ years, since the multi-layout shortcut support was added to
GTK+.

This ability to use shortcuts even when the active layout was not
English, was added to GTK+ (GNOME) at around 2005, perhaps earlier. It
was the first UI toolkit to have such support for shortcuts when the
active layout was not English. Qt did not have it for a long long time
(has it been added there?).

I am inclined to close this report in a few days if we do not get a 
reproducible case of shortcuts not working.
At the same time, I'll open (if they do not exist) individual reports regarding 
shortcuts in Java GUI apps and other toolkits that do not have that support.

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Title:
  Hotkeys not functional in non-latin keyboard layout

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[Bug 1226962] Re: Hotkeys not functional in non-latin keyboard layout

[Simos Xenitellis ]

I think this report needs to clear up. The title and the description
should get an update.

I am using stock Ubuntu 16.04.2 (i.e. Unity 7) and I have configured two
keyboard layouts, EN, GR.

I start gedit and I press the Ctrl+S (Save) hotkey. 
In both cases (Layouts: EN (English), GR (Greek)), the Save dialog box appears.
Similarly, I tested with Firefox, Chrome and Chromium and it worked as well 
(Ctrl+τ to open a new tab).

Therefore, it is working for me at least for these apps.

Is there anyone that cannot get this to work on Ubuntu 16.04?
If so, tell me what keyboard layouts you have enabled. 
Note that the first keyboard layout MUST be "En" (English).

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  Hotkeys not functional in non-latin keyboard layout

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[Bug 1681513] Re: Ubuntu 17.04: New privacy feature in NetworkManager stops some WiFi adapters from working (mac address randomization)

[Simos Xenitellis ]

@Don Cady:

The source of the problem is the Linux kernel driver for the specific
WiFi adapter or perhaps the firmware of the WiFi adapter.

In most of the drivers, they have implemented the facility to change (by 
software) the MAC address.
There are even tools to change the MAC address, like "macchanger". Or, you can 
even use "ifconfig wlan0 hw ether 00:11:22:33:44:55". Or, you can change it 
with NetworkManager, a facility available for many years already.

A WiFi card can support many other interesting features, including "AP
Mode" (make your Ubuntu act like an Access Point), and "Monitor" mode
(using those Aircrack tools). However, it takes effort to reverse-
engineer AP Mode or Monitor mode, so many adapters do not support these
features. It is much more common in USB adapters not to have full
support for these features, and in some cases it is a deficiency in the
firmware (firmware files: /lib/firmware/, and nothing can be done about
it).

It is not clear how widespread is the problem. If you are reporting,
please include which kernel driver is used for the WiFi and also what
firmware is loaded.

@wolfy1339:
I think the MS Surface Pro has an (internal) USB WiFi card and uses the kernel 
driver "mwifiex_usb". Have a look in "lsmod".

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Title:
  Ubuntu 17.04: New privacy feature in NetworkManager stops some WiFi
  adapters from working (mac address randomization)

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[Bug 1681513] Re: Ubuntu 17.04: New privacy feature in NetworkManager stops some USB WiFi adapters from working (mac address randomization)

[Simos Xenitellis ]

Jesse, I do not have 17.04 so I cannot test these myself. You guys could
help:

At https://blogs.gnome.org/thaller/2016/08/26/mac-address-spoofing-in-
networkmanager-1-4-0/ it mentions that:

Update-2017-01-25: with 1.6 release and newer, the default value changed
from “permanent” to “preserve” [commit],[bug].

The "preserve" default value means that NM will not attempt to change the MAC 
address upon activation. 
I just checked the source of "network-manager" on 17.04 (using LXD with 17.04 
container) and it goes not have this update.

Could you please check in NetworkManager to see what is the default value for
“ethernet.cloned-mac-address” and “wifi.cloned-mac-address”, on a Ubuntu 17.04 
installation?

I think that "nmcli device show" might show it. If not, try somehow to
figure out the default.

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Title:
  Ubuntu 17.04: New privacy feature in NetworkManager stops some USB
  WiFi adapters from working (mac address randomization)

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[Bug 1681513] Re: Ubuntu 17.04: New privacy feature in NetworkManager stops some USB WiFi adapters from working (mac address randomization)

[Simos Xenitellis ]

** Description changed:

+ According to 
+ 
https://blogs.gnome.org/thaller/2016/08/26/mac-address-spoofing-in-networkmanager-1-4-0/
+ there is a new privacy feature in the new version of NetworkManager.
+ This privacy feature can cause some USB WiFi adapters to stop working
+ while they used to work with older versions of NetworkManager (Ubuntu 16.10 
or older).
+ 
+ The purpose of this privacy feature is to get your computer to report a new 
random MAC address whenever you connect to a WiFi network.
+ This privacy feature is especially useful when you connect to public WiFi 
networks, so that the operators cannot identify you when you connect multiple 
times.
+ 
+ The downside of this privacy feature is that some USB WiFi adapters misbehave 
when NetworkManager tries to change their MAC address repeatedly. 
+ The result is that those USB WiFi adapters cannot connect anymore to the WiFi 
 network.
+ 
+ Original report follows:
+ 
  My Panda USB wi-fi adapter works just fine on 16.10, but when I try to
  connect to my wi-fi router in 17.04, GNOME network manager reports
  "Connection failed." I did some tinkering, and noticed that my MAC
  address for my wifi adapter, according to GNOME, is DIFFERENT every time
  I make it forget my wifi settings and try to reconnect. Weird, right?
  Any leads on a possible fix or work-around?
  
  I'm running the latest beta of Ubuntu GNOME 17.04, kernel
  4.10.0-19-generic, GNOME 3.24.0.
  
  https://blogs.gnome.org/thaller/2016/08/26/mac-address-spoofing-in-
  networkmanager-1-4-0/

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Title:
  Ubuntu 17.04: New privacy feature in NetworkManager stops some USB
  WiFi adapters from working (mac address randomization)

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[Bug 1681513] Re: Ubuntu 17.04: New privacy feature in NetworkManager stops some USB WiFi adapters from working (mac address randomization)

[Simos Xenitellis ]

** Summary changed:

- Ubuntu 17.04: wi-fi not working — mac address keeps changing?
+ Ubuntu 17.04: New privacy feature in NetworkManager stops some USB WiFi 
adapters from working (mac address randomization)

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  WiFi adapters from working (mac address randomization)

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[Bug 1611124] Re: W: Possible missing firmware /lib/firmware/i915/kbl_guc_ver9_14.bin for module i915

[Simos Xenitellis ]

I get this message and I do not even run a Kabylake system ("kbl").

According to https://01.org/linuxgraphics/downloads/firmware

"2. Q: I am seeing the following error message, what do they mean and what 
should I do in response?
   
   W:Possible missing firmware /lib/firmware/i915/kbl_dmc_ver1.bin for module 
i915
 
   A: This warning can be safely ignored."

Therefore, this message can be safely ignored.

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Title:
  W: Possible missing firmware /lib/firmware/i915/kbl_guc_ver9_14.bin
  for module i915

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Re: Feedback request | Documentation site reorg, switch to Markdown

[Simos Xenitellis]

On Fri, Feb 24, 2017 at 2:22 PM, Chris Perry <clissold...@googlemail.com> wrote:
> Hi Peter
>
...
>
> You used the term PITA (pain in the arse, I think). I (kind of) agree
> with what you said about server guide xml being a PITA. All markup
> languages are (kind of) a PITA. The problem I have with your proposal
> is that (as far as I can see) you're moving from one PITA (server
> guide xml) to another PITA (Markdown).
>

Digitalocean are using Markdown for their online tutorials.

Compared to the standard markdown
(https://guides.github.com/features/mastering-markdown/),
they have added some extra features that are suitable for technical
documentation.
Here is their Writing Guidelines,
https://www.digitalocean.com/community/tutorials/digitalocean-s-writing-guidelines
which shows off their additions (second-half of the page).

Among the useful features they have added to Markdown (see Writing Guidelines),
1. Ability to highlight text even in a code environment (for example,
in some configuration you can easily highlight the stuff that the user
needs to write)
2. Ability to show the command line in five different environment
(themes?). If you show commands that you write on Server A, you can
specifically use Theme 1 and so on.
3. Ability to show the output of commands in a suitable environment
(and also can highlight aspects of that output)
4. Native notes and warnings (in standard markdown, you would need to
insert HTML for this)
5. Have the prompt ($ or #) added appropriately because we define that
a command line is for superuser or plain user. Also, custom prompts.

There is the Web previewer to try these out at
https://www.digitalocean.com/community/markdown

I believe that the standard markdown, as described on github, is not
suitable for technical documentation as it lacks features.
An enhanced markdown would be more appropriate and more joyful to
write documentation.

For me the questions are,
a. what "enhanced markdown" can we get that is at least on parity with
Docbook XML features.
b. is there some tool to autoconvert Docbook XML to markdown?
c. will existing core technical writers be happy to switch to markdown?

Simos

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Re: Feedback request | Documentation site reorg, switch to Markdown

[Simos Xenitellis]

On Fri, Feb 24, 2017 at 2:22 PM, Chris Perry <clissold...@googlemail.com> wrote:
> Hi Peter
>
...
>
> You used the term PITA (pain in the arse, I think). I (kind of) agree
> with what you said about server guide xml being a PITA. All markup
> languages are (kind of) a PITA. The problem I have with your proposal
> is that (as far as I can see) you're moving from one PITA (server
> guide xml) to another PITA (Markdown).
>

Digitalocean are using Markdown for their online tutorials.

Compared to the standard markdown
(https://guides.github.com/features/mastering-markdown/),
they have added some extra features that are suitable for technical
documentation.
Here is their Writing Guidelines,
https://www.digitalocean.com/community/tutorials/digitalocean-s-writing-guidelines
which shows off their additions (second-half of the page).

Among the useful features they have added to Markdown (see Writing Guidelines),
1. Ability to highlight text even in a code environment (for example,
in some configuration you can easily highlight the stuff that the user
needs to write)
2. Ability to show the command line in five different environment
(themes?). If you show commands that you write on Server A, you can
specifically use Theme 1 and so on.
3. Ability to show the output of commands in a suitable environment
(and also can highlight aspects of that output)
4. Native notes and warnings (in standard markdown, you would need to
insert HTML for this)
5. Have the prompt ($ or #) added appropriately because we define that
a command line is for superuser or plain user. Also, custom prompts.

There is the Web previewer to try these out at
https://www.digitalocean.com/community/markdown

I believe that the standard markdown, as described on github, is not
suitable for technical documentation as it lacks features.
An enhanced markdown would be more appropriate and more joyful to
write documentation.

For me the questions are,
a. what "enhanced markdown" can we get that is at least on parity with
Docbook XML features.
b. is there some tool to autoconvert Docbook XML to markdown?
c. will existing core technical writers be happy to switch to markdown?

Simos

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[Bug 1661590] Re: GNOME Software only supports running one application from a snap

[Simos Xenitellis ]

A note here that when you run "snap info libreoffice", the order of the
commands actually changes every time you run it. I suppose that snapd
does not have the order of the commands as given in snapcraft.yaml.
That's what I get with snap 2.12

A workaround could be for Ubuntu Software to pick the shorter filename
(for LibreOffice, that would be "libreoffice", the wizard, which is what
is expected to run).

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  GNOME Software only supports running one application from a snap

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[Bug 1655641] Re: Should be able to also search and install fonts, not only apps

[Simos Xenitellis ]

** Bug watch added: GNOME Bug Tracker #777128
   https://bugzilla.gnome.org/show_bug.cgi?id=777128

** Also affects: gnome-software via
   https://bugzilla.gnome.org/show_bug.cgi?id=777128
   Importance: Unknown
   Status: Unknown

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Title:
  Should be able to also search and install fonts, not only apps

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[Bug 1655641] [NEW] Should be able to also search and install fonts, not only apps

[Simos Xenitellis ]

Public bug reported:

GNOME Software can only search and install packages which are (probably) marked 
as GUI applications.
In terms of usability, it is a good choice and the chances to mess up a system 
are diminished.

As a result, it is not possible to install fonts.
Fonts should also be regarded as packages that can be searched for and 
installed through GNOME Software.

Reproduce: 
1. Start GNOME Software
2. Search for "font"

Expected result: several packages about fonts should be shown
What happened: no packages are found

** Affects: gnome-software
 Importance: Unknown
 Status: Unknown

** Affects: gnome-software (Ubuntu)
 Importance: Undecided
 Status: New

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  Should be able to also search and install fonts, not only apps

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[Bug 1632418] Re: Network Manager doesn't look for wifi after resume until restarted

[Simos Xenitellis ]

** Bug watch added: GNOME Bug Tracker #726121
   https://bugzilla.gnome.org/show_bug.cgi?id=726121

** Also affects: network-manager via
   https://bugzilla.gnome.org/show_bug.cgi?id=726121
   Importance: Unknown
   Status: Unknown

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Title:
  Network Manager doesn't look for wifi after resume until restarted

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[Bug 1633509] Re: package libobs0 0.14.2+dfsg1-3 failed to install/upgrade: trying to overwrite '/usr/share/obs/libobs/bicubic_scale.effect', which is also in package obs-studio 0.13.1-315~wily

[Katsiaris Simos]

have the exact same issue

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  overwrite '/usr/share/obs/libobs/bicubic_scale.effect', which is also
  in package obs-studio 0.13.1-315~wily

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Fwd: Call for testing: Xenial langpack updates II

[Simos Xenitellis]

Αν και έχει βγει το Ubuntu 16.04, είναι εφικτό να ανανεώσουμε τις
μεταφράσεις. Ιδιίως, αν υπάρχει κάποιο πρόβλημα.
Με την παρακάτω διαδικασία μπορούμε να δοκιμάσουμε τις όποιες
διορθώσεις έχουν γίνει μέχρι τώρα στις μεταφράσεις,
και αν όλα είναι καλά, να δώσουμε εντολή ώστε να προκύψουν
αναβαθμίσεις πακέτων για την ελληνική υποστήριξη.

Παρακάτω περιγράφεται η διαδικασία δοκιμής. Αν η δοκιμή είναι
επιτυχής, τότε ενημερώνουμε και θα ενεργοποιηθεί η ενημέρωση για τα
ελληνικά.
Το παρόν μήνυμα είναι για ένα άτομο με 16.04.1  να δοκιμάσει τη
διαδικασία και να μας ενημερώσει (στη λίστα ή σε προσωπικό).

Σίμος

-- Forwarded message --
From: Gunnar Hjalmarsson 
Date: Mon, Oct 17, 2016 at 1:40 PM
Subject: Call for testing: Xenial langpack updates II
To: ubuntu-translat...@lists.ubuntu.com


Hello translators!

It's time to start the second langpack update cycle for Xenial. This
is not a "full update", i.e. the docs are not included, so the names
of the langpacks which have been copied to xenial-proposed are:

  language-pack-XX
  language-pack-gnome-XX

where 'XX' is the language code.

The steps involved are described at this wiki page:
https://wiki.ubuntu.com/Translations/LanguagePackUpdatesQA

Basically the translation teams are asked to

* install the updated langpacks from xenial-proposed
* perform the tests according to the wiki page
* add the test result for respective language to the Xenial table on
  the wiki page

The row for Swedish has already been inserted; just add your language
in the same manner.

Langpacks which have been reported as successfully tested by 26th of
October 14:00 UTC will be copied to xenial-updates, and with that made
available to all users.

Note: If you are not an Ubuntu Member, you need to be a member of
 to be able to edit the
wiki page. You are encouraged to take this opportunity to join
~ubuntu-wiki-editors, but if you don't get edit access in time, please
post the test result for your language in a message here instead.

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Fwd: Calling for user research participants!

[Simos Xenitellis]

Εδώ ζητούν άτομα που προγραμματίζουν σε Ubuntu ώστε να παράσχουν
ανάδραση για το νέο (ακόμα όχι διαθέσιμο) developer.ubuntu.com.

Σίμος

-- Forwarded message --
From: Magdalena Mirowicz
Date: Tue, Sep 13, 2016 at 5:16 PM
Subject: Calling for user research participants!
To: ubuntu-app-de...@lists.ubuntu.com


Hello,

Canonical Web Team is looking for testers of the prototype for the new
developer.ubuntu.com website. The only prerequisite is to be a
developer for Ubuntu (please bear in mind Canonical employees can not
participate).

The one-to-one interviews will last around 1 hour and will be
conducted either via the hangout (so you’d need a good connection), or
in person if you are able to pop in to Canonical office in London. We
plan to conduct these sessions between 21st - 30th of September.

If you are interested, please register using this form: http://goo.gl/gseddd

If you are not selected for this research, do not worry – we will keep
your details for future testing sessions.

Your help will be hugely appreciated!
Magdalena



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Re: My opinion on Ubuntu cancelling Intel 80386/80386-clone processor support

[Simos Xenitellis]

On Mon, Sep 12, 2016 at 8:54 PM, Thierry Andriamirado
<thierry.andriamir...@free.fr> wrote:
>
>
> Le 11 septembre 2016 21:43:03 UTC+03:00, Ralf Mardorf 
> <ralf.mard...@alice-dsl.net> a écrit :
>
>>That's entirely true. For users who don't need the user-friendliness
>>provided by Ubuntu there are anyway better distros available to "tune"
>>weak computers more easily. Anyway, for doing this much knowledge is
>>required. The user-friendliness of Ubuntu has got several weak points,
>
> I thought Ubuntu was a good Linux distro and I was happy that "everybody" 
> could use it (desktop, education..)
> But if I understand what is happening, do we have to stop pushing Ubuntu to 
> users owning old hardwares, and go back to Debian as in the good old day? 5 
> years remaining until 2021, and we always hope to use newly acquired 
> equipment over 5 years.
>

I did not see a link to a definite discussion that 686 ("i386") will
not be supported any more in future versions.
Once it becomes official, I would consider to start worrying.
For now, there is guaranteed support up to the next five years and it
would be premature to act.

Simos

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Re: My opinion on Ubuntu cancelling Intel 80386/80386-clone processor support

[Simos Xenitellis]

On Fri, Sep 9, 2016 at 4:14 AM, Alexandre Strube <su...@surak.eti.br> wrote:
> Are you suggesting a full port to Raspberry Pi instead?
>

The RPi II is one option, and it is not the most affordable one.
There are also the Pine64 and the OrangePi developer boards which are
way cheaper.
Their support for the mainline kernel may not be there yet, however
there is work being done.

For such devices, you can use Ubuntu Core (snappy),
https://developer.ubuntu.com/en/snappy/start/
Ubuntu Core works already for the RPi 2.

Regarding the cost of such devices, it can be quite low. For example,
https://www.aliexpress.com/store/1553371
For the import duty and taxes, one can check at
http://www.dutycalculator.com/country-guides/Import-duty-taxes-when-importing-into-Brazil/
(for Brazil).

Please note that those second-hand PCs that make it to Africa, are
meant to be used and then at the end of their life, to be properly
recycled.
The proper recycle costs a lot of money, and in most cases it does not
happen and the PCs end up in a landfill.
Many old computers from Europe end up in Africa to be used as
second-hand, however for Europe it is just a cheap way to avoid paying
for the proper recycling within Europe.

Simos

> 2016-09-09 3:00 GMT+02:00 Simos Xenitellis <simos.li...@googlemail.com>:
>>
>> On Thu, Sep 8, 2016 at 6:10 PM, Thierry Andriamirado
>> <thierry.andriamir...@free.fr> wrote:
>> >
>> >
>> > Le 8 septembre 2016 01:35:05 UTC+03:00, John Moser
>> > <john.r.mo...@gmail.com> a écrit :
>> >>
>> >>> There are countless very old computers running Ubuntu, in Developing
>> >>> Countries.
>> >>>
>> >>
>> >>It's not my fault nobody counted.
>> >
>> > It's nobody's fault: many of those Ubuntu boxes are used in villages in
>> > the bush, and are not even connected to the Internet. Updated from time to
>> > time via CD-Rom..
>> >
>>
>> As far as I know, many of the second-hand old PCs that make it to the
>> developing world, are old computers from companies and universities in
>> Europe.
>> A proper disposal in the EU costs money, so they donate them to
>> intermediaries (so no cost for the companies) that send them to
>> developing countries.
>> Those that receive them, end up paying quite some money (50-100€?),
>> which is good profit to the intermediaries.
>>
>> Considering that at least until 2021 we will be fine regarding 32-bit
>> support,
>> I think it would be good to gradually get people to switch to
>> small-board computers.
>> These are nowdays quite cheap, and you can get a quad-core SBC with
>> 2GB RAM for under 30€.
>>
>> Simos
>>
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>
>
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Re: [Fwd: Ubuntu Core 16 beta images available]

[Simos Xenitellis]

On Thu, Sep 8, 2016 at 5:14 PM, Oliver Grawert <o...@ubuntu.com> wrote:
> hi,
> On Do, 2016-09-08 at 16:56 +0300, Simos Xenitellis wrote:
>> Hi All,
>>
>> I tried the instructions at https://developer.ubuntu.com/en/snappy/st
>> art/
>> in order to get the new Beta images at
>> http://cdimage.ubuntu.com/ubuntu-snappy/16.04/current/
>> to work on locally on KVM on Linux.
>
> well, that will only start to work once the series 16 images are
> actually released, until then the website will keep point to the
> official 15.04 release indeed :)
>
> these images are betas ...
>
>>
>> Two issues:
>>
>> 1. The command to start kvm should better be like
>>
>> kvm -m 512M -redir :8090::80 -redir :8022::22 -drive
>> format=raw,file=ubuntu-core-16-amd64.img
>>
>> (instead of  kvm -m 512 -redir :8090::80 -redir :8022::22
>> ubuntu-15.04-snappy-amd64-generic.img
>> which causes the warning:
>>
>> WARNING: Image format was not specified for 'ubuntu-core-16-
>> amd64.img'
>> and probing guessed raw.
>>  Automatically detecting the format is dangerous for raw
>> images, write operations on block 0 will be restricted.
>>  Specify the 'raw' format explicitly to remove the
>> restrictions.)
>>
> well, nothing will ever write on block 0 i hope :)
> but yeah, that is a valid concern, please file a bug ...
>

"[DOC] snappy on KVM recommends cmd line that warns about RAW devices"
https://bugs.launchpad.net/snappy/+bug/1622336

>
>> In addition, I think it is better to specify M in "512M".
>
> same thing, please file bugs :)
>

"DOC: Snappy kvm line should have specifier for memory size "
https://bugs.launchpad.net/snappy/+bug/1622342

Simos

>>
>> 2. Once you configure Ubuntu Core and supply your launchpad email
>> address
>> (required so that it can retrieve your SSH public key and install
>> into
>> the running image),
>> it suggests to
>> ssh -p 8022 myusername@10.0.2.15
>> The instructions at the Snappy Start suggest to
>>ssh -p 8022 ubuntu@localhost
>> (mentions that "ubuntu/ubuntu" is a hard-coded account in earlier
>> Ubuntu Core images).
>>
>> What works with Ubuntu Core 16.04 Beta is
>>ssh -p 8022 myusername@localhost
>> (where "myusername" is the Launchpad username. You got it right it
>> https://launchpad.net/~myusername is your personal Launchpad page).
>
> definitely also worth a bug report (though it might be tricky to detect
> from within kvm that you are running inside kvm and conditionally
> change the default message here)...
>
>>
>> All accounts on the Ubuntu Core 16.04 Beta image are locked, so it is
>> not possible to log in through the qemu log in screen straight away.
>
> this is on purpose ... (you can indeed log in via ssh and use "passwd"
> to set a password for the account)
>
> ...
>> > Enjoy the fresh images! If you find any bugs or issues, please let
>> > us
>> > know via:
>> >
>> > https://bugs.launchpad.net/snappy/
>> >
>> > Cheers,
>> >  Michael (on behalf of the snappy team)
>> >
>
> ciao
> oli

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Re: My opinion on Ubuntu cancelling Intel 80386/80386-clone processor support

[Simos Xenitellis]

On Thu, Sep 8, 2016 at 6:10 PM, Thierry Andriamirado
<thierry.andriamir...@free.fr> wrote:
>
>
> Le 8 septembre 2016 01:35:05 UTC+03:00, John Moser <john.r.mo...@gmail.com> a 
> écrit :
>>
>>> There are countless very old computers running Ubuntu, in Developing
>>> Countries.
>>>
>>
>>It's not my fault nobody counted.
>
> It's nobody's fault: many of those Ubuntu boxes are used in villages in the 
> bush, and are not even connected to the Internet. Updated from time to time 
> via CD-Rom..
>

As far as I know, many of the second-hand old PCs that make it to the
developing world, are old computers from companies and universities in
Europe.
A proper disposal in the EU costs money, so they donate them to
intermediaries (so no cost for the companies) that send them to
developing countries.
Those that receive them, end up paying quite some money (50-100€?),
which is good profit to the intermediaries.

Considering that at least until 2021 we will be fine regarding 32-bit support,
I think it would be good to gradually get people to switch to
small-board computers.
These are nowdays quite cheap, and you can get a quad-core SBC with
2GB RAM for under 30€.

Simos

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Re: [Fwd: Ubuntu Core 16 beta images available]

[Simos Xenitellis]

On Thu, Sep 8, 2016 at 5:14 PM, Oliver Grawert <o...@ubuntu.com> wrote:
> hi,
> On Do, 2016-09-08 at 16:56 +0300, Simos Xenitellis wrote:
>> Hi All,
>>
>> I tried the instructions at https://developer.ubuntu.com/en/snappy/st
>> art/
>> in order to get the new Beta images at
>> http://cdimage.ubuntu.com/ubuntu-snappy/16.04/current/
>> to work on locally on KVM on Linux.
>
> well, that will only start to work once the series 16 images are
> actually released, until then the website will keep point to the
> official 15.04 release indeed :)
>
> these images are betas ...
>
>>
>> Two issues:
>>
>> 1. The command to start kvm should better be like
>>
>> kvm -m 512M -redir :8090::80 -redir :8022::22 -drive
>> format=raw,file=ubuntu-core-16-amd64.img
>>
>> (instead of  kvm -m 512 -redir :8090::80 -redir :8022::22
>> ubuntu-15.04-snappy-amd64-generic.img
>> which causes the warning:
>>
>> WARNING: Image format was not specified for 'ubuntu-core-16-
>> amd64.img'
>> and probing guessed raw.
>>  Automatically detecting the format is dangerous for raw
>> images, write operations on block 0 will be restricted.
>>  Specify the 'raw' format explicitly to remove the
>> restrictions.)
>>
> well, nothing will ever write on block 0 i hope :)
> but yeah, that is a valid concern, please file a bug ...
>
>
>> In addition, I think it is better to specify M in "512M".
>
> same thing, please file bugs :)
>

Where should these reports be filed at?

I could not find the source location of the page
https://developer.ubuntu.com/en/snappy/start/

The closest was this one (for the new 16.04),
http://bazaar.launchpad.net/~developer-ubuntu-com-dev/developer-ubuntu-com/stable/view/head:/md_importer/tests/data/website-test/out/get-started/as-dev/16.04/step2-setup-kvm-ubuntu.md

There is the old and active repository at
https://bugs.launchpad.net/developer-ubuntu-com

There is also the new but not yet active repository on github,
https://github.com/ubuntudesign/developer.ubuntu.com/issues

>>
>> 2. Once you configure Ubuntu Core and supply your launchpad email
>> address
>> (required so that it can retrieve your SSH public key and install
>> into
>> the running image),
>> it suggests to
>> ssh -p 8022 myusername@10.0.2.15
>> The instructions at the Snappy Start suggest to
>>ssh -p 8022 ubuntu@localhost
>> (mentions that "ubuntu/ubuntu" is a hard-coded account in earlier
>> Ubuntu Core images).
>>
>> What works with Ubuntu Core 16.04 Beta is
>>ssh -p 8022 myusername@localhost
>> (where "myusername" is the Launchpad username. You got it right it
>> https://launchpad.net/~myusername is your personal Launchpad page).
>
> definitely also worth a bug report (though it might be tricky to detect
> from within kvm that you are running inside kvm and conditionally
> change the default message here)...
>

Here is the report,
https://bugs.launchpad.net/snappy/+bug/1621550

>>
>> All accounts on the Ubuntu Core 16.04 Beta image are locked, so it is
>> not possible to log in through the qemu log in screen straight away.
>
> this is on purpose ... (you can indeed log in via ssh and use "passwd"
> to set a password for the account)
>

I believe there will be some new users that will not notice this.
An option is to say so on the final page of the installation.

Simos

> ...
>> > Enjoy the fresh images! If you find any bugs or issues, please let
>> > us
>> > know via:
>> >
>> > https://bugs.launchpad.net/snappy/
>> >
>> > Cheers,
>> >  Michael (on behalf of the snappy team)
>> >
>
> ciao
> oli

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Re: [Fwd: Ubuntu Core 16 beta images available]

[Simos Xenitellis]

Hi All,

I tried the instructions at https://developer.ubuntu.com/en/snappy/start/
in order to get the new Beta images at
http://cdimage.ubuntu.com/ubuntu-snappy/16.04/current/
to work on locally on KVM on Linux.

Two issues:

1. The command to start kvm should better be like

kvm -m 512M -redir :8090::80 -redir :8022::22 -drive
format=raw,file=ubuntu-core-16-amd64.img

(instead of  kvm -m 512 -redir :8090::80 -redir :8022::22
ubuntu-15.04-snappy-amd64-generic.img
which causes the warning:

WARNING: Image format was not specified for 'ubuntu-core-16-amd64.img'
and probing guessed raw.
 Automatically detecting the format is dangerous for raw
images, write operations on block 0 will be restricted.
 Specify the 'raw' format explicitly to remove the restrictions.)

In addition, I think it is better to specify M in "512M".

2. Once you configure Ubuntu Core and supply your launchpad email address
(required so that it can retrieve your SSH public key and install into
the running image),
it suggests to
ssh -p 8022 myusername@10.0.2.15
The instructions at the Snappy Start suggest to
   ssh -p 8022 ubuntu@localhost
(mentions that "ubuntu/ubuntu" is a hard-coded account in earlier
Ubuntu Core images).

What works with Ubuntu Core 16.04 Beta is
   ssh -p 8022 myusername@localhost
(where "myusername" is the Launchpad username. You got it right it
https://launchpad.net/~myusername is your personal Launchpad page).

All accounts on the Ubuntu Core 16.04 Beta image are locked, so it is
not possible to log in through the qemu log in screen straight away.

Simos

On Thu, Sep 8, 2016 at 1:46 PM, Oliver Grawert <o...@ubuntu.com> wrote:
> hi,
>
> this is a big milestone that is worth to be announced to a wider
> audience ;)
>
> ciao
> oli
>
> -- Forwarded message --
> From: Michael Vogt <michael.v...@canonical.com>
> To: snapcr...@lists.snapcraft.io
> Cc:
> Date: Wed, 7 Sep 2016 23:50:54 +0200
> Subject: Ubuntu Core 16 beta images available
> Ubuntu Core 16 Images
> =
>
> The Ubuntu snappy team is happy to announce the first beta images for
> Ubuntu Core 16.  The images use the snapd package manager to install
> and update all components of the system including kernel, core, gadget
> and applications.
>
> The images are available for PC (amd64, i386) and Raspberry Pi2
> (armhf). More architectures and boards (arm64 dragonboard, pi3) will
> follow shortly. You can download them at:
>
> http://cdimage.ubuntu.com/ubuntu-snappy/16.04/current/
>
> The images are bootable, the pc image can be booted directly in
> qemu-kvm or virtualenv. The pi2 image can be written to a sdcard via:
>
> unxz ubuntu-core-16-pc.img.xz
> dd if= ubuntu-core-16-pc.img of=/dev/sdXX
>
> Where /dev/sdXX is the path of your sd card.
>
> After booting the image you can enter your Ubuntu SSO email and it
> will automatically create a matching user with the right ssh keys. If
> you do not have an Ubuntu SSO account yet you can create one at:
>
> https://login.ubuntu.com/
>
> These images follow the "beta" channel.
>
> Enjoy the fresh images! If you find any bugs or issues, please let us
> know via:
>
> https://bugs.launchpad.net/snappy/
>
> Cheers,
>  Michael (on behalf of the snappy team)
>
>
>
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Re: My opinion on Ubuntu cancelling Intel 80386/80386-clone processor support

[Simos Xenitellis]

On Wed, Sep 7, 2016 at 3:08 AM, Ryan Cunningham
<levantamos.para.u...@gmail.com> wrote:
>
> I have heard recently that Ubuntu has plans to cancel support for processors 
> in the Intel 80386 family (and clones of the same). This is impacting me 
> because I have a 32-bit Ubuntu machine (powered by an Intel 80586) which runs 
> Ubuntu 16.10. This machine, a home laptop converted into a server, is only in 
> the testing phase right now and probably will remain there for 6 years at 
> most. That is, until I obtain my bachelor's degree in elementary/high school 
> education and my teaching certificate (I am going to use this machine for a 
> school I will thereafter create).

Hi!
First of all, regardless of all other decisions that be taken, you are
fine with 16.04 at least until the year 2021.

I am not addressing your request, I am focusing on the practicalities
of maintaining an old laptop as a server.
I assume your laptop was made around the year 2000-2003 because the
CPU is Intel 80586.
The mechanical harddisk should be a PATA (that is, IDE and not SATA),
meaning that it is not replaceable with a new disk; PATA disks are not
manufactured any more.
In addition, it cannot accept a converter between PATA and SATA so
that you can use a new hard disk (no space for converter in a laptop).
By using the laptop as a server, it is always on. This causes issues
with the mechanical hard disk that would limit its lifespan.
In addition, the thermal paste that transfers heat away from the CPU
and towards the heatsink should probably be dry by now. That is, the
thermal paste might not work at all.

You should get health metrics from this laptop in order to assess
whether it can work reliably until 2021.
Specifically,

A. Hard disk health status.

Install "smartnontools" (extract health data from inside the hard disk) with

sudo apt install smartmontools

Then, obtain the hard disk health status report by running

sudo smartctl -a /dev/hda

This command will read the internal attributes that are stored on the hard disk.
Among those attributes, the important ones are
1. Power_On_Hours (how many hours the hard disk was on, which
coincides with the laptop being on).
The "Raw Value" is the number of hours. The maximum I ever saw on a
working disk was 1.
I am really interested in seeing your value for this one.
2. Reallocated_Sector_Ct (how many bad sectors have been reallocated
to the buffer space).
Here the Raw value should be 0.

B. CPU Temperature

Install "lm-sensors" (read motherboard sensor values)

sudo apt install lm-sensors

Configure "lm-sensors"

sudo sensors-detect

(answer Yes to the autodetection).

Finally, read the current sensor values with

sensors

The temperatures when your laptop is idle, should be below 50C. If
they are over 60C when idle, you have heating issues.

Nowdays, instead of having an old laptop as a server, the common thing
to do is get a Small Board Computer (SBC),
like the Raspberry Pi. There are cheaper versions, and they start at
around $15. You can get them to run Ubuntu just fine.

Hope this helps,
Simos

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[Bug 1584234] Re: mysql-server fails to install if it cannot start due to not enough memory

[Simos Xenitellis ]

I had a look at the other bug report.

I think the significance in this report is that the mysql-server package
can fail to install altogether (if the installation misjudges how much
memory to assign to mysql), requiring the administrator to use package
management commands in order to fix.

I got this problem when trying out Juju on the LXD provider. 
The server had 2GB RAM, shared among the containers. 
The installed mysql-server package got (auto?)configured to allocate 1.6GB of 
memory, thus failing to start, and failing to complete the installation. This 
is my recollection of what happened.
I had a look at the packaging of "mysql-server" and did not see any 
"autoconfiguration" for the memory. Therefore, it might just be Juju that 
configured the 1.6GB.
I'll try again to install Juju and get a better picture of what is happening.

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  mysql-server fails to install if it cannot start due to not enough
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[Bug 1447154] Re: systemd tries to start pulseaudio several times

[Katsiaris Simos]

i can confirm that also exist in xenial but sound seems to work

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  systemd tries to start pulseaudio several times

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[Bug 1593191] [NEW] Installation failure for openjdk-9 on 16.04 ("trying to overwrite jawt_md.h")

[Simos Xenitellis ]

Public bug reported:

When installing "openjdk-9-jdk" on Ubuntu 16.04, the installation fails:

# apt install openjdk-9-jdk
Reading package lists... Done
Building dependency tree   
Reading state information... Done
Suggested packages:
  openjdk-9-demo openjdk-9-source visualvm
The following NEW packages will be installed:
  openjdk-9-jdk
0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
127 not fully installed or removed.
Need to get 0 B/16.6 kB of archives.
After this operation, 58.4 kB of additional disk space will be used.
(Reading database ... 28839 files and directories currently installed.)
Preparing to unpack .../openjdk-9-jdk_9~b114-0ubuntu1_amd64.deb ...
Unpacking openjdk-9-jdk:amd64 (9~b114-0ubuntu1) ...
dpkg: error processing archive 
/var/cache/apt/archives/openjdk-9-jdk_9~b114-0ubuntu1_amd64.deb (--unpack):
 trying to overwrite 
'/usr/lib/jvm/java-9-openjdk-amd64/include/linux/jawt_md.h', which is also in 
package openjdk-9-jdk-headless:amd64 9~b114-0ubuntu1
Errors were encountered while processing:
 /var/cache/apt/archives/openjdk-9-jdk_9~b114-0ubuntu1_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)

It appears to be a packaging issue; both openjdk-9-jdk and openjdk-9
-jdk-headless provide the same file /usr/lib/jvm/java-9-openjdk-
amd64/include/linux/jawt_md.h

As a result, it is not possible to install "openjdk-9-jdk" on Ubuntu
16.04.

** Affects: openjdk-9 (Ubuntu)
 Importance: Undecided
 Status: New

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Title:
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[Bug 1593191] Re: Installation failure for openjdk-9 on 16.04 ("trying to overwrite jawt_md.h")

[Simos Xenitellis ]

The failure is reproducible. For example,

$ lxc launch ubuntu:x mytest
$ lxc exec mytest -- /bin/bash
# apt update
# apt upgrade
# apt install openjdk-9-jdk
(above error occurs).

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  Installation failure for openjdk-9 on 16.04 ("trying to overwrite
  jawt_md.h")

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[Bug 1591124] Re: LXC: Cannot create a container with the specific alias "tasks"

[Simos Xenitellis ]

** Package changed: open-iscsi (Ubuntu) => lxd (Ubuntu)

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Title:
  LXC: Cannot create a container with the specific alias "tasks"

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[Bug 1591124] Re: LXC: Cannot create a container with the specific alias "tasks"

[Simos Xenitellis ]

** Description changed:

- .
+ When trying to launch a container with the specific alias "tasks", it
+ fails to launch.
+ 
+ $ lxc launch d23ee1f4fd28 tasks
+ Creating tasks
+ Starting tasks
+ error: Error calling 'lxd forkstart tasks /var/lib/lxd/containers 
/var/log/lxd/tasks/lxc.conf': err='exit status 1'
+ Try `lxc info --show-log tasks` for more info
+ Exit 1
+ 
+ The reason is that in /sys/fs/cgroup/systemd/lxc/ there is already a file 
called "tasks". In that directory, any new containers is created as a new 
directory that has as a name the alias that we have given.
+ Since "tasks" is reserved", lxc fails to continue. 
+ 
+ Here are the contents of the directory
+ $ ls -l /sys/fs/cgroup/systemd/lxc/
+ total 0
+ drwxrwxr-x 5 root 165536 0 Ιούν 10 12:32 c1
+ -rw-r--r-- 1 root root   0 Ιούν 10 12:53 cgroup.clone_children
+ -rw-r--r-- 1 root root   0 Ιούν 10 12:53 cgroup.procs
+ -rw-r--r-- 1 root root   0 Ιούν 10 12:53 notify_on_release
+ -rw-r--r-- 1 root root   0 Ιούν 10 12:53 tasks
+ 
+ Currently, there is potential conflict with "tasks" only as the other 
filenames are invalid hostnames (contain dots or underscores).
+ Presumably in the figure there might be more such files. 
+ 
+ Among the solutions,
+ 1. the container directories in /sys/fs/cgroup/systemd/lxc/ should have 
something like ".lxd" appended to them so that there is no future conflict.

** Description changed:

  When trying to launch a container with the specific alias "tasks", it
  fails to launch.
  
  $ lxc launch d23ee1f4fd28 tasks
  Creating tasks
  Starting tasks
  error: Error calling 'lxd forkstart tasks /var/lib/lxd/containers 
/var/log/lxd/tasks/lxc.conf': err='exit status 1'
  Try `lxc info --show-log tasks` for more info
  Exit 1
  
  The reason is that in /sys/fs/cgroup/systemd/lxc/ there is already a file 
called "tasks". In that directory, any new containers is created as a new 
directory that has as a name the alias that we have given.
- Since "tasks" is reserved", lxc fails to continue. 
+ Since "tasks" is reserved", lxc fails to continue.
  
  Here are the contents of the directory
  $ ls -l /sys/fs/cgroup/systemd/lxc/
  total 0
  drwxrwxr-x 5 root 165536 0 Ιούν 10 12:32 c1
  -rw-r--r-- 1 root root   0 Ιούν 10 12:53 cgroup.clone_children
  -rw-r--r-- 1 root root   0 Ιούν 10 12:53 cgroup.procs
  -rw-r--r-- 1 root root   0 Ιούν 10 12:53 notify_on_release
  -rw-r--r-- 1 root root   0 Ιούν 10 12:53 tasks
  
  Currently, there is potential conflict with "tasks" only as the other 
filenames are invalid hostnames (contain dots or underscores).
- Presumably in the figure there might be more such files. 
+ Presumably in the future there might be more such files.
  
  Among the solutions,
  1. the container directories in /sys/fs/cgroup/systemd/lxc/ should have 
something like ".lxd" appended to them so that there is no future conflict.

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[Bug 1591124] [NEW] LXC: Cannot create a container with the specific alias "tasks"

[Simos Xenitellis ]

Public bug reported:

When trying to launch a container with the specific alias "tasks", it
fails to launch.

$ lxc launch d23ee1f4fd28 tasks
Creating tasks
Starting tasks
error: Error calling 'lxd forkstart tasks /var/lib/lxd/containers 
/var/log/lxd/tasks/lxc.conf': err='exit status 1'
Try `lxc info --show-log tasks` for more info
Exit 1

The reason is that in /sys/fs/cgroup/systemd/lxc/ there is already a file 
called "tasks". In that directory, any new containers is created as a new 
directory that has as a name the alias that we have given.
Since "tasks" is reserved", lxc fails to continue.

Here are the contents of the directory
$ ls -l /sys/fs/cgroup/systemd/lxc/
total 0
drwxrwxr-x 5 root 165536 0 Ιούν 10 12:32 c1
-rw-r--r-- 1 root root   0 Ιούν 10 12:53 cgroup.clone_children
-rw-r--r-- 1 root root   0 Ιούν 10 12:53 cgroup.procs
-rw-r--r-- 1 root root   0 Ιούν 10 12:53 notify_on_release
-rw-r--r-- 1 root root   0 Ιούν 10 12:53 tasks

Currently, there is potential conflict with "tasks" only as the other filenames 
are invalid hostnames (contain dots or underscores).
Presumably in the future there might be more such files.

Among the solutions,
1. the container directories in /sys/fs/cgroup/systemd/lxc/ should have 
something like ".lxd" appended to them so that there is no future conflict.

** Affects: open-iscsi (Ubuntu)
 Importance: Undecided
 Status: New

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Title:
  LXC: Cannot create a container with the specific alias "tasks"

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[Bug 1584234] [NEW] mysql-server fails to install if it cannot start due to not enough memory

[Simos Xenitellis ]

Public bug reported:

The default installation of mysql-server is completed successfully if it
manages to start at the same time. If for some reason mysql-server
cannot start, then the installation fails without giving a comprehensive
error message. The user has no clue as to why the installation failed.
The only file with information is /var/log/mysql/error.log.

Users run Ubuntu on affordable servers with little memory (Amazon EC2 600MB 
RAM, or DigitalOcean 512MB RAM). In addition, users may use containers like LXD 
which means that mysql-server may not get as much memory as required. 
Therefore, the installation may or may not fail. In addition, mysql-server may 
crash latter if not enough memory is available.
The default requirement for memory for mysql-server is 128MB (InnoDB).

There should be a way to inform the user that mysql-server does not
install if there is not enough memory.

** Affects: mysql-5.7 (Ubuntu)
 Importance: Undecided
 Status: New

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Title:
  mysql-server fails to install if it cannot start due to not enough
  memory

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[Bug 1584234] Re: mysql-server fails to install if it cannot start due to not enough memory

[Simos Xenitellis ]

Attempt for installation of mysql-server, which fails due to not enough memory. 
The messages do not give a clue that the problem is memory-related. 

The commands (systemctl, journalctl) that are mentioned, do not provide
a hint.

** Attachment added: "mysql-error.txt"
   
https://bugs.launchpad.net/ubuntu/+source/mysql-5.7/+bug/1584234/+attachment/4667214/+files/mysql-error.txt

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Title:
  mysql-server fails to install if it cannot start due to not enough
  memory

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[Bug 1562362] Re: package mysql-server-5.7 (not installed) failed to install/upgrade: подпроцесс установлен сценарий post-installation возвратил код ошибки 1

[Simos Xenitellis ]

I figured out the source of the problem in my case. 
It was a memory issue (/var/log/mysql/error.log): 

2016-05-20T21:10:32.004395Z 0 [Warning] TIMESTAMP with implicit DEFAULT value 
is deprecated. Please use --explicit_defaults_for_timestamp server option (see 
documentation for more details).
2016-05-20T21:10:32.008319Z 0 [Note] /usr/sbin/mysqld (mysqld 5.7.12-0ubuntu1) 
starting as process 1968 ...
2016-05-20T21:10:32.048643Z 0 [Note] InnoDB: PUNCH HOLE support available
2016-05-20T21:10:32.048704Z 0 [Note] InnoDB: Mutexes and rw_locks use GCC 
atomic builtins
2016-05-20T21:10:32.048719Z 0 [Note] InnoDB: Uses event mutexes
2016-05-20T21:10:32.048730Z 0 [Note] InnoDB: GCC builtin 
__atomic_thread_fence() is used for memory barrier
2016-05-20T21:10:32.048742Z 0 [Note] InnoDB: Compressed tables use zlib 1.2.8
2016-05-20T21:10:32.048753Z 0 [Note] InnoDB: Using Linux native AIO
2016-05-20T21:10:32.051586Z 0 [Note] InnoDB: Number of pools: 1
2016-05-20T21:10:32.052497Z 0 [Note] InnoDB: Using CPU crc32 instructions
2016-05-20T21:10:32.101825Z 0 [Note] InnoDB: Initializing buffer pool, total 
size = 128M, instances = 1, chunk size = 128M
2016-05-20T21:10:32.104758Z 0 [ERROR] InnoDB: mmap(137428992 bytes) failed; 
errno 12
2016-05-20T21:10:32.104802Z 0 [ERROR] InnoDB: Cannot allocate memory for the 
buffer pool
2016-05-20T21:10:32.105114Z 0 [ERROR] InnoDB: Plugin initialization aborted 
with error Generic error
2016-05-20T21:10:32.105152Z 0 [ERROR] Plugin 'InnoDB' init function returned 
error.
2016-05-20T21:10:32.105175Z 0 [ERROR] Plugin 'InnoDB' registration as a STORAGE 
ENGINE failed.
2016-05-20T21:10:32.105190Z 0 [ERROR] Failed to initialize plugins.
2016-05-20T21:10:32.105201Z 0 [ERROR] Aborting


The problem is that the installation of the mysql-server package requires a 
successful launch of the MySQL server. If MySQL cannot start, then the package 
is not fully installed.

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Title:
  package mysql-server-5.7 (not installed) failed to install/upgrade:
  подпроцесс установлен сценарий post-installation возвратил код ошибки
  1

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[Bug 1562362] Re: package mysql-server-5.7 (not installed) failed to install/upgrade: подпроцесс установлен сценарий post-installation возвратил код ошибки 1

[Simos Xenitellis ]

Output of command "systemctl status mysql.service".

root@db:~# systemctl status mysql.service
● mysql.service - MySQL Community Server
   Loaded: loaded (/lib/systemd/system/mysql.service; enabled; vendor preset: 
enabled)
   Active: activating (start-post) (Result: exit-code) since Sat 2016-05-21 
00:25:16 EEST; 11s ago
  Process: 3893 ExecStart=/usr/sbin/mysqld (code=exited, status=1/FAILURE)
  Process: 3892 ExecStartPre=/usr/share/mysql/mysql-systemd-start pre 
(code=exited, status=0/SUCCESS)
 Main PID: 3893 (code=exited, status=1/FAILURE); : 3894 
(mysql-systemd-s)
Tasks: 2 (limit: 512)
   Memory: 3.0M
  CPU: 352ms
   CGroup: /system.slice/mysql.service
   └─control
 ├─3894 /bin/bash /usr/share/mysql/mysql-systemd-start post
 └─3919 sleep 1

May 21 00:25:16 db systemd[1]: mysql.service: Service hold-off time over, 
scheduling restart.
May 21 00:25:16 db systemd[1]: Stopped MySQL Community Server.
May 21 00:25:16 db systemd[1]: Starting MySQL Community Server...
May 21 00:25:16 db systemd[1]: mysql.service: Main process exited, code=exited, 
status=1/FAILURE


** Attachment added: "mysql-systemctl.txt"
   
https://bugs.launchpad.net/ubuntu/+source/mysql-5.7/+bug/1562362/+attachment/4667195/+files/mysql-systemctl.txt

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Title:
  package mysql-server-5.7 (not installed) failed to install/upgrade:
  подпроцесс установлен сценарий post-installation возвратил код ошибки
  1

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[Bug 1562362] Re: package mysql-server-5.7 (not installed) failed to install/upgrade: подпроцесс установлен сценарий post-installation возвратил код ошибки 1

[Simos Xenitellis ]

Output of "journalctl -xe"

** Attachment added: "mysql-journalctl.txt"
   
https://bugs.launchpad.net/ubuntu/+source/mysql-5.7/+bug/1562362/+attachment/4667196/+files/mysql-journalctl.txt

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Title:
  package mysql-server-5.7 (not installed) failed to install/upgrade:
  подпроцесс установлен сценарий post-installation возвратил код ошибки
  1

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[Bug 1562362] Re: package mysql-server-5.7 (not installed) failed to install/upgrade: подпроцесс установлен сценарий post-installation возвратил код ошибки 1

[Simos Xenitellis ]

AskUbuntu question about this exact issue, 
http://askubuntu.com/questions/760724/16-04-upgrade-broke-mysql-server

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Title:
  package mysql-server-5.7 (not installed) failed to install/upgrade:
  подпроцесс установлен сценарий post-installation возвратил код ошибки
  1

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[Bug 1562362] Re: package mysql-server-5.7 (not installed) failed to install/upgrade: подпроцесс установлен сценарий post-installation возвратил код ошибки 1

[Simos Xenitellis ]

I got the exact same issue.

This is about installing "mysql-server" on a pristine Ubuntu 16.04 on 
DigitalOcean.
The installation fails. 

** Attachment added: "mysql-error.txt"
   
https://bugs.launchpad.net/ubuntu/+source/mysql-5.7/+bug/1562362/+attachment/4667191/+files/mysql-error.txt

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Title:
  package mysql-server-5.7 (not installed) failed to install/upgrade:
  подпроцесс установлен сценарий post-installation возвратил код ошибки
  1

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Rebooting hangs for 60 seconds if zfsutils-linux is installed (on DigitalOcean, 16.04)

[Simos Xenitellis]

Hi All,

I noticed that if you

1. create a fresh Ubuntu 16.04 amd64 VPS on DigitalOcean
2. install the package "zfsutils-linux"
3. reboot

then the rebooting hangs for exactly 60 seconds with the message on the console:

A start job is running for udev  Waiting Service Initialization (55s / 3min)

That is, the mere installation of zfsutils-linux would cause that wait.

These are the messages from dmesg,

...
[2.910863] systemd[1]: Started LVM2 metadata daemon.
[2.911668] systemd[1]: Starting Create Static Device Nodes in /dev...
[2.934691] systemd[1]: Started Journal Service.
[2.980284] EXT4-fs (vda1): re-mounted. Opts: errors=remount-ro
[3.033622] systemd-journald[686]: Received request to flush
runtime journal from PID 1
[3.033966] iscsi: registered transport (iser)
[3.632060] ppdev: user-space parallel port driver
[   63.681578] zavl: module license 'CDDL' taints kernel.
[   63.681584] Disabling lock debugging due to kernel taint
[   63.695493] SPL: Loaded module v0.6.5.6-0ubuntu1
[   63.754683] ZFS: Loaded module v0.6.5.6-0ubuntu3, ZFS pool version
5000, ZFS filesystem version 5
...

If you uninstall "zfsutils-linux", the reboot does not hang anymore.

My workaround for now has been to disable the zfs target at boot time:

   systemctl disable zfs.target

since I am interested in using ZFS in an a pre-allocated file instead
of a block device.

Simos

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ΕΝΗΜΕΡΩΣΗ: Πρόβλημα στις αναβαθμίσεις πακέτων με server στην Ελλάδα

[Simos Xenitellis]

Καλημέρα!

Για όσους έχουν ρυθμίσει το Ubuntu να λαμβάνει αναβαθμίσεις πακέτων
(και για εγκατάσταση νέων πακέτων) από το βασικό mirror στην Ελλάδα,
θα έχετε παρατηρήσει ότι τις τελευταίες δύο μέρες υπάρχει πρόβλημα.

Μέχρι τώρα, ο βασικός mirror για το Ubuntu στην Ελλάδα είναι ο
ftp.otenet.gr (συγκεκριμένα, το http://ubuntu.otenet.gr/).
Μάλλον έγιναν αλλαγές στα virtual host για το *.otenet.gr, διότι
πρόβλημα είχαν και αρκετά άλλα.

Χτες υπήρξε προσπάθεια επικοινωνίας με COSMOTE και στάλθηκε αναφορά
από τη φόρμα web για «Λειτουργικότητα site»
(https://www.cosmote.gr/fixed/consumer/email-contact-form).
Δεν έλαβα ακόμα κάποια απάντηση.

Ωστόσο, τώρα που ελέγχω, παρατηρώ ότι το πρόβλημα είναι σε διαδικασία
διόρθωσης, και το http://ubuntu.otenet.gr/ φαίνεται να λειτουργεί
ξανά.

Ωστόσο, χτες έκανα αίτηση για να ενεργοποιηθεί το ftp.ntua.gr ως νέο
επίσημο archive mirror,
https://launchpad.net/ubuntu/+mirror/ftp.ntua.gr-archive
Από πλευράς Canonical, έγινε ο έλεγχος του ftp.ntua.gr και βλέπουμε
στον παραπάνω σύνδεσμο ότι τα πακέτα δεν είναι πλήρως ενημερωμένα.
Επικοινώνησα σήμερα με το ftp.ntua.gr (ημαιλ επικοινωνίας για FTP
admin) για το αν υπάρχει η δυνατότητα να γίνει και το ftp.ntua.gr ένα
ενημερωμένο ubuntu archive mirror.

Συγκεντρωτικά,
1. τα παραπάνω διαπιστώθηκαν και στάλθηκαν μηνύματα τις τελευταίες δώδεκα ώρες.
2. δεν έχω λάβει ακόμα απάντηση (COSMOTE από φόρμα web: πριν δώδεκα
ώρες, FTP.NTUA.GR: πριν μία ώρα).
3. από τη στιγμή που διορθώθηκε το ubuntu.otenet.gr, θα ζητήσω να
παραμείνει ως βασικό archive mirror το ubuntu.otenet.gr. Αυτό σημαίνει
ότι το gr.archive.ubuntu.com να δείχνει στο ubuntu.otenet.gr
4. αν λάβω απάντηση από ftp.ntua.gr, θα ζητήσω να γίνει το ftp.ntua.gr
ένα ενημερωμένο archive mirror ώστε να είναι διαθέσιμο στις Ρυθμίσεις
συστήματος→Ενημερώσεις λογισμικού→Διακομιστής για Ελλάδα.
5. Στο https://launchpad.net/ubuntu/+archivemirrors δείχνει δύο ακόμα
archive mirror για Ελλάδα, Πανεπιστήμιο Κρήτης και TSL. Το πρώτο
φαίνεται να μην είναι ενημερωμένο ώστε να μπορεί να χρησιμοποιηθεί. Το
δεύτερο δεν είναι σε λειτουργία, οπότε μάλλον θα αφαιρεθεί.

Αν υπάρχει ερωτήσεις, ρωτήστε εδώ.

Σίμος
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