Re: [DNG] Redhat EEEs CentOS?

2020-12-10 Thread Rick Moen
Quoting vmlinux (vmli...@charter.net):

> Embrace, Extend, Extinguish? Shocking but not surprising. Even more reason 
> for Devuan to exist.
> 
> https://arstechnica.com/gadgets/2020/12/centos-shifts-from-red-hat-unbranded-to-red-hat-beta/




From: Rick Moen via Sb 
Date: Thu, 10 Dec 2020 23:41:46 -0800
To: Birmingham Linux User Group 
Subject: Re: [SB] Strategic CentOS

Quoting Brian C via Sb (s...@mailman.lug.org.uk):

> CentOS Stream made no technical sense to me when I first read about
> it, and it still doesn't.  People use CentOS because they want
> stability.

Concur.

> So the recent strategic move I see as effectively killing the CentOS
> project, but keeping the name alive to attempt to minimise adverse
> reactions.
>  
> And I assume that someone is gambling on a large number of CentOS
> users finding it less expensive to switch to RHEL than to something
> else.
> 
> Hopefully information will leak about who's been pushing for the
> change and when they started.

All the signs I'm seeing make me think this is a high-level decision
already fully underway and highly unlikely to ever be reversed.  I share
your surmise about RH Corporate's aim.  Still, the suddenly
prospect-less CentOS user community can reasonably be grateful for Red
Hat, Inc.'s sponsorship of the project for many years until now.

Long ago (early 2000s), independent RHEL-rebuild projects sprang up and
thrived when a number of people, starting with John Morris (White Box
Enterprise Linux) realised that an unbranded RHEL-equivalent was
feasible.  Morris's work was followed by Tao Linux, Scientific Linux,
cAos Linux, NPACI Rocks Cluster Distribution, BioBrew Linux, X/OS Linux,
Pie Box Enterprise Linux, and others.  

I'm not clear on what new obstacles there might now be, e.g., on account
of RH, Inc. wishing to make things difficult for Oracle Linux.  In olden
days, the main task required was to swap in different contents for the
two trademark-encumbered non-software SRPMs, the ones named redhat-logos
and anaconda-images, and some other work to make the result self-hosting
and compile everything to create a binary distro.

At the time, there was a mailing list named rhel-rebuild, where the
pioneers of the above-cited projects and others hung out.  Its
information page still exists:
https://www.uibk.ac.at/zid/systeme/linux/linux-alt/rhel-rebuild-l.html

I'm betting the actual mailing list (hosted for a while on Sympa) 
is long gone.  (Untested, though.)

-- 
Cheers,   "2020 is pulling out more plot devices than 
Rick Moen a TV series on the brink of being canceled."
r...@linuxmafia.com  (Seen on Reddit, Oct. 2, 2020.)
McQ! (4x80)
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Re: [DNG] What I learned at Distrowatch

2020-12-10 Thread Mason Loring Bliss
On Thu, Dec 10, 2020 at 10:31:38PM -0500, Mason Loring Bliss wrote:

> Also, for laughs, in Beowulf, the xdm binary consumes 117K on disk,

There's a pandemic on, so I'll forgive myself a little OCD.

Sorted by RSS:

$ ps uq 21538
USER   PID %CPU %MEMVSZ   RSS TTY  STAT START   TIME COMMAND
mason21538  0.0  0.0   2388  1564 pts/3S22:38   0:00 dash
$ ps uq 16459
USER   PID %CPU %MEMVSZ   RSS TTY  STAT START   TIME COMMAND
mason16459  0.0  0.0   5640  1764 pts/3S22:32   0:00 ksh
% ps uq 17848
USER   PID %CPU %MEMVSZ   RSS TTY  STAT START   TIME COMMAND
mason17848  0.0  0.0   6688  2944 pts/3S22:34   0:00 -csh
$ ps uq 20271
USER   PID %CPU %MEMVSZ   RSS TTY  STAT START   TIME COMMAND
mason20271  0.3  0.0   9248  4060 pts/3S22:36   0:00 zsh
$ ps uq 6064
USER   PID %CPU %MEMVSZ   RSS TTY  STAT START   TIME COMMAND
mason 6064  0.0  0.0   8184  4532 pts/5Ss+  Dec09   0:00 -bash

-- 
Mason Loring Bliss  ma...@blisses.org  Ewige Blumenkraft!
awake ? sleep : random() & 2 ? dream : sleep; -- Hamlet, Act III, Scene I


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Re: [DNG] What I learned at Distrowatch

2020-12-10 Thread Mason Loring Bliss
On Thu, Dec 10, 2020 at 02:42:30PM -0500, Steve Litt wrote:

> Wait a minute. When you say "without GUI", do you mean no X installed,
> or do you mean it lacks the display manager to boot directly into X?
> The former precludes desktop use; the latter is how I use my computer
> every day, because startx and .xinitrc are my friends.

Don't forget xdm, which ends up being what I use. I've never been keen on
leaving a console sitting there logged in but largely forgotten just for
startx, as someone could change to it and take advantage of it being
somewhat vulnerable. But there are practical reasons to consider xdm.

In terms of weight, compare:

$ ps -uq 3944
USER   PID %CPU %MEMVSZ   RSS TTY  STAT START   TIME COMMAND
root  3944  0.0  0.0  16396  2016 ?Ss   Dec09   0:00 /usr/bin/xdm
$ ps -uq 6181
USER   PID %CPU %MEMVSZ   RSS TTY  STAT START   TIME COMMAND
mason 6181  0.0  0.0   7916  4140 pts/9Ss+  Dec09   0:00 -bash

xdm is taking less than half the resident memory of a bash shell, so if you
have to pick one of them to sit in the background doing nothing once it's
facilitated, xdm consumes fewer resources.

Also, for laughs, in Beowulf, the xdm binary consumes 117K on disk, versus
1.2M for bash. But this of course doesn't matter much, because deleting
bash to save space is somewhat unlikely. Following the trail, though, dash
consumes 119K on disk. Climbing up to the level of usable user shells, mksh
consumes 275K on disk. (I can't seem to get myself to stick with tcsh long
enough to call it usable, although I know some folks love it. But for
completeness: 415K)

-- 
Mason Loring Blissma...@blisses.org
They also surf, who only stand on waves.


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Re: [DNG] What I learned at Distrowatch

2020-12-10 Thread Adrian Zaugg


On 10.12.20 20:42, Steve Litt wrote:
> On Thu, 10 Dec 2020 01:40:39 +0100
> Adrian Zaugg  wrote:
> 
> Wait a minute. When you say "without GUI", do you mean no X installed,

I just mean no GUI, because with a GUI I don't know exactly. I know
there are some Desktop environments that need it, it seems others don't
and the login managers you can combine to each Desktop have again
different needs probably. I just know without GUI you can remove it.

Regards, Adrian.
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Re: [DNG] What I learned at Distrowatch

2020-12-10 Thread Steve Litt
On Thu, 10 Dec 2020 01:40:39 +0100
Adrian Zaugg  wrote:

> On 01.12.20 15:16, Mason Loring Bliss wrote:
> > This brings us to the other thing worthy of note. Try sometime to
> > install Devuan (not Debian, Devuan) without systemd and you'll be
> > in for a rude shock. It's installed by default, and it's a massive
> > pain to eradicate it.  
> 
> What shows
> 
>   apt remove --dry-run elogind
> 
> on your system? Do you run a GUI on it?
> 
> Without GUI elogind can be removed easly with apt remove --purge
> elogind; libsystemd0 gets pulled in by openssh-server and thus is
> present on many of my systems – unfortunately.

Wait a minute. When you say "without GUI", do you mean no X installed,
or do you mean it lacks the display manager to boot directly into X?
The former precludes desktop use; the latter is how I use my computer
every day, because startx and .xinitrc are my friends.

SteveT

Steve Litt 
Autumn 2020 featured book: Thriving in Tough Times
http://www.troubleshooters.com/thrive
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[DNG] Redhat EEEs CentOS?

2020-12-10 Thread vmlinux
Embrace, Extend, Extinguish? Shocking but not surprising. Even more reason for 
Devuan to exist.

https://arstechnica.com/gadgets/2020/12/centos-shifts-from-red-hat-unbranded-to-red-hat-beta/
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Re: [DNG] What I learned at Distrowatch

2020-12-10 Thread aitor

Hi Adrian,

On 12/10/20 12:46 PM, Adrian Zaugg wrote:

Hi aitor

$ apt-rdepends openssh-server
Reading package lists... Done
Building dependency tree
Reading state information... Done
openssh-server
   Depends: adduser (>= 3.9)
   Depends: debconf (>= 0.5)
   Depends: debconf-2.0
   Depends: dpkg (>= 1.9.0)
   Depends: libaudit1 (>= 1:2.2.1)
   Depends: libc6 (>= 2.26)
   Depends: libcom-err2 (>= 1.43.9)
   Depends: libgssapi-krb5-2 (>= 1.17)
   Depends: libkrb5-3 (>= 1.13~alpha1+dfsg)
   Depends: libpam-modules (>= 0.72-9)
   Depends: libpam-runtime (>= 0.76-14)
   Depends: libpam0g (>= 0.99.7.1)
   Depends: libselinux1 (>= 1.32)
   Depends: libssl1.1 (>= 1.1.1)
   Depends: libsystemd0
[...]

I see it different on a beowulf system as well as on ascii, you may also
see this in /var/lib/dpkg/status.

Regards, Adrian.



My clarification was related to ssh-agent. This agent is executed when 
"use-ssh-agent" is present in "/etc/X11/Xsession.options".

Before this happens,

dbus-update-activation-environment  --systemd <...>

propagates the SSH variables to dbus-daemon and, *only* if present, also 
to systemd. But you are right, the only package of openssh
depending on libsystemd0 is openssh-server, which depends at the same 
time on the client.


However, there are also other packagesin the base system depending on 
libsystemd0:


- rsyslog

- libapt-pkg5.0

and therefore apt-utils and apt!

Cheers,

Aitor.



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Re: [DNG] What I learned at Distrowatch

2020-12-10 Thread Adrian Zaugg
Hi aitor

$ apt-rdepends openssh-server
Reading package lists... Done
Building dependency tree
Reading state information... Done
openssh-server
  Depends: adduser (>= 3.9)
  Depends: debconf (>= 0.5)
  Depends: debconf-2.0
  Depends: dpkg (>= 1.9.0)
  Depends: libaudit1 (>= 1:2.2.1)
  Depends: libc6 (>= 2.26)
  Depends: libcom-err2 (>= 1.43.9)
  Depends: libgssapi-krb5-2 (>= 1.17)
  Depends: libkrb5-3 (>= 1.13~alpha1+dfsg)
  Depends: libpam-modules (>= 0.72-9)
  Depends: libpam-runtime (>= 0.76-14)
  Depends: libpam0g (>= 0.99.7.1)
  Depends: libselinux1 (>= 1.32)
  Depends: libssl1.1 (>= 1.1.1)
  Depends: libsystemd0
[...]

I see it different on a beowulf system as well as on ascii, you may also
see this in /var/lib/dpkg/status.

Regards, Adrian.

On 10.12.20 11:40, aitor wrote:
> Hi again,
> 
> On 12/10/20 11:31 AM, aitor wrote:
>>
>> Hi Adrian
>>
>> On 12/10/20 1:40 AM, Adrian Zaugg wrote:
>>> libsystemd0 gets pulled in by openssh-server and thus is
>>> present on many of my systems – unfortunately.
>>
>> This is for the ssh-agent service, used by systemd, which should be
>> optional.
>>
> This is in the client side.
> 
> Aitor.
> 
> 
> 
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Re: [DNG] What I learned at Distrowatch

2020-12-10 Thread aitor

Hi again,

On 12/10/20 11:31 AM, aitor wrote:


Hi Adrian

On 12/10/20 1:40 AM, Adrian Zaugg wrote:

libsystemd0 gets pulled in by openssh-server and thus is
present on many of my systems – unfortunately.


This is for the ssh-agent service, used by systemd, which should be 
optional.



This is in the client side.

Aitor.


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Re: [DNG] What I learned at Distrowatch

2020-12-10 Thread aitor

Hi Adrian

On 12/10/20 1:40 AM, Adrian Zaugg wrote:

libsystemd0 gets pulled in by openssh-server and thus is
present on many of my systems – unfortunately.


This is for the ssh-agent service, used by systemd, which should be 
optional.


Cheers,

Aitor.


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