Re: what just happened (time went backwards?)

2014-02-28 Thread Lars E. Pettersson

On 02/28/2014 12:54 AM, Chris Murphy wrote:


On Feb 27, 2014, at 12:28 PM, Lars E. Pettersson l...@homer.se wrote:


On 02/26/14 19:23, lee wrote:

What is the purpose of this log duplication?  When systemd has its own
logs, it doesn´t seem necessary to duplicate them by sending their
contents to syslogd.


One could also ask why systemd duplicates the logging formerly only done by 
syslogd.


This has been answered many times already, it's an old argument.


That was not my point of argument.


For me looking through my ASCII-based text-logs created by syslogd is far 
faster than using journalctl. Things that takes over 25 minutes with 
journalctl, only takes 66 seconds grepping the syslogd logs. (see bug 1047719, 
that no-one seems to care about)


Why are the logs so large? Each log file I have is either 8MB, 16MB, or maximum 
24MB. So somehow yours are getting very large before they are turned over. Also 
do you normally search all logs for all time? Or are you searching in the most 
recent boot? You can use journalctl -b -1 to search the last boot, -2 the one 
before that. It can be done using --since with a date to encompass multiple 
boots yet not all boots. There is also -u to filter by unit. If you have 
journalctl do some filtering in advance then not so much stuff is dumped into 
grep to filter.


Why the journal is 4GB? Have no idea, perhaps you could enlighten me? 
The syslogd created text files are only using about 700MB of space for 
the same duration. The problem is not the size of the text files, the 
problem is that systemd/journalctl is extremely sluggish when the 
journal is big. If it takes 20-25 minutes to get the same information 
from journalctl, when it takes about 1 minute going through all syslogd 
created text-files for the same duration, then something is utterly 
wrong with how the journal works, and if it (the journal) is supposed to 
replace the syslogd generated text files, it has to be at least equally 
fast to be usable.


Also note that this sluggishness creates problem for the 'systemctl 
status' command, which is a really bad thing.


Using -b, --since, etc. is not the point, the point is the sluggishness 
shown when the journal is big.



ASCII-based logs can be read by anybody using any editor. To read the journal 
you need journalctl, or similar program, as the journal is binary and not 
readily readable.


It's fine to want plain logs but that is a subset of the amount of information 
the journal can only retain with binary including checksumming so the logs can 
be verified, and universal time/date stamping that causes journalctl to report 
the even in local time even if the server is not local, the list of things that 
can be done are unlimited. So the superset log is a necessity in any case and 
if the plain text rsyslog is meeting your needs then why would you bother with 
journalctl at all?


That is all fine and dandy, but does not change the fact that a text 
file can be read by anyone. The journal needs programs of some sort to 
be read.



Another reason is that there still exist programs/daemons/etc. that rely on the 
logs in /var/log.

If you do not like syslogd, well F20 does not ship it anymore…


I think the repo has both rsyslog and syslog-ng.


That does not change the fact that the F20 install has dameons etc. that 
actually relies on a present MTA and/or the syslog daemon.


Lars
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Re: what just happened (time went backwards?)

2014-02-28 Thread Joel Rees
On Fri, Feb 28, 2014 at 8:54 AM, Chris Murphy li...@colorremedies.com wrote:

 On Feb 27, 2014, at 12:28 PM, Lars E. Pettersson l...@homer.se wrote:

 On 02/26/14 19:23, lee wrote:
 What is the purpose of this log duplication?  When systemd has its own
 logs, it doesn´t seem necessary to duplicate them by sending their
 contents to syslogd.

 One could also ask why systemd duplicates the logging formerly only done by 
 syslogd.

 This has been answered many times already, it's an old argument.

It's an old argument because someone who is scared of the argument is
trying to define it away.

[...]

 It's fine to want plain logs but that is a subset of the amount of 
 information the journal can only
 retain with binary including checksumming so the logs can be verified, and 
 universal time/date
 stamping that causes journalctl to report the even in local time even if the 
 server is not local, the
 list of things that can be done are unlimited. So the superset log is a 
 necessity in any case and
 if the plain text rsyslog is meeting your needs then why would you bother 
 with journalctl at all?

Every time I see a defense of systemd and its spawn, I see this kind of bunk.

If information can be logged in binary form, it can be logged in human
readable form. It's just a matter of pushing the data through
appropriate filters, that's all.

The real problem with logs is what to retain and what to strip out.
And logs that can't be directly read by humans are not worth the
having. Nobody will read them until long after the bad things happened
and left the system corrupted.

Enforced universalism is the last thing we want computers for.

 [...]

-- 
Joel Rees

Be careful where you see conspiracy.
Look first in your own heart.
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Re: what just happened (time went backwards?)

2014-02-27 Thread Lars E. Pettersson

On 02/26/14 19:23, lee wrote:

What is the purpose of this log duplication?  When systemd has its own
logs, it doesn´t seem necessary to duplicate them by sending their
contents to syslogd.


One could also ask why systemd duplicates the logging formerly only done 
by syslogd.


For me looking through my ASCII-based text-logs created by syslogd is 
far faster than using journalctl. Things that takes over 25 minutes with 
journalctl, only takes 66 seconds grepping the syslogd logs. (see bug 
1047719, that no-one seems to care about)


ASCII-based logs can be read by anybody using any editor. To read the 
journal you need journalctl, or similar program, as the journal is 
binary and not readily readable.


Another reason is that there still exist programs/daemons/etc. that rely 
on the logs in /var/log.


If you do not like syslogd, well F20 does not ship it anymore...

Lars
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Re: what just happened (time went backwards?)

2014-02-27 Thread lee
Lars E. Pettersson l...@homer.se writes:

 On 02/26/14 19:23, lee wrote:
 What is the purpose of this log duplication?  When systemd has its own
 logs, it doesn´t seem necessary to duplicate them by sending their
 contents to syslogd.

 One could also ask why systemd duplicates the logging formerly only
 done by syslogd.

 For me looking through my ASCII-based text-logs created by syslogd is
 far faster than using journalctl. Things that takes over 25 minutes
 with journalctl, only takes 66 seconds grepping the syslogd logs. (see
 bug 1047719, that no-one seems to care about)

 ASCII-based logs can be read by anybody using any editor. To read the
 journal you need journalctl, or similar program, as the journal is
 binary and not readily readable.

 Another reason is that there still exist programs/daemons/etc. that
 rely on the logs in /var/log.

 If you do not like syslogd, well F20 does not ship it anymore...

What I don´t like is unnecessary double logging and hidden log files
that cannot be read without special software, like binary ones.

How do I disable these binary logs and have everything logged with
syslogd?  Most of the logging goes there anyway.

How do they think users will ever get a working system with no logging
and not even an mta installed?


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Re: what just happened (time went backwards?)

2014-02-27 Thread Chris Murphy

On Feb 27, 2014, at 12:28 PM, Lars E. Pettersson l...@homer.se wrote:

 On 02/26/14 19:23, lee wrote:
 What is the purpose of this log duplication?  When systemd has its own
 logs, it doesn´t seem necessary to duplicate them by sending their
 contents to syslogd.
 
 One could also ask why systemd duplicates the logging formerly only done by 
 syslogd.

This has been answered many times already, it's an old argument.

 For me looking through my ASCII-based text-logs created by syslogd is far 
 faster than using journalctl. Things that takes over 25 minutes with 
 journalctl, only takes 66 seconds grepping the syslogd logs. (see bug 
 1047719, that no-one seems to care about)

Why are the logs so large? Each log file I have is either 8MB, 16MB, or maximum 
24MB. So somehow yours are getting very large before they are turned over. Also 
do you normally search all logs for all time? Or are you searching in the most 
recent boot? You can use journalctl -b -1 to search the last boot, -2 the one 
before that. It can be done using --since with a date to encompass multiple 
boots yet not all boots. There is also -u to filter by unit. If you have 
journalctl do some filtering in advance then not so much stuff is dumped into 
grep to filter.


 ASCII-based logs can be read by anybody using any editor. To read the journal 
 you need journalctl, or similar program, as the journal is binary and not 
 readily readable.

It's fine to want plain logs but that is a subset of the amount of information 
the journal can only retain with binary including checksumming so the logs can 
be verified, and universal time/date stamping that causes journalctl to report 
the even in local time even if the server is not local, the list of things that 
can be done are unlimited. So the superset log is a necessity in any case and 
if the plain text rsyslog is meeting your needs then why would you bother with 
journalctl at all?

 
 Another reason is that there still exist programs/daemons/etc. that rely on 
 the logs in /var/log.
 
 If you do not like syslogd, well F20 does not ship it anymore…

I think the repo has both rsyslog and syslog-ng.

Chris Murphy
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Re: what just happened (time went backwards?)

2014-02-27 Thread Chris Murphy

On Feb 27, 2014, at 4:42 PM, lee l...@yun.yagibdah.de wrote:

 Lars E. Pettersson l...@homer.se writes:
 
 On 02/26/14 19:23, lee wrote:
 What is the purpose of this log duplication?  When systemd has its own
 logs, it doesn´t seem necessary to duplicate them by sending their
 contents to syslogd.
 
 One could also ask why systemd duplicates the logging formerly only
 done by syslogd.
 
 For me looking through my ASCII-based text-logs created by syslogd is
 far faster than using journalctl. Things that takes over 25 minutes
 with journalctl, only takes 66 seconds grepping the syslogd logs. (see
 bug 1047719, that no-one seems to care about)
 
 ASCII-based logs can be read by anybody using any editor. To read the
 journal you need journalctl, or similar program, as the journal is
 binary and not readily readable.
 
 Another reason is that there still exist programs/daemons/etc. that
 rely on the logs in /var/log.
 
 If you do not like syslogd, well F20 does not ship it anymore...
 
 What I don´t like is unnecessary double logging and hidden log files
 that cannot be read without special software, like binary ones.
 
 How do I disable these binary logs and have everything logged with
 syslogd?

You can't turn off systemd-journald anymore than you can turn off systemd. It's 
an integrated function. If you don't like the journal you can install syslog-nd 
or rsyslog.
 
 How do they think users will ever get a working system with no logging
 and not even an mta installed?

It's an old argument, most users don't have a hard requirement on syslog or an 
mta, therefore they aren't installed by default but they're still in the repo 
and you can manually install them. Easy fix.


Chris Murphy

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Re: what just happened (time went backwards?)

2014-02-27 Thread Frank Murphy
On Fri, 28 Feb 2014 00:42:02 +0100
lee l...@yun.yagibdah.de wrote:

 How do I disable these binary logs and have everything logged with
 syslogd?  Most of the logging goes there anyway.

systemctl mask systemd-journald.service


___
Regards
Frank 
frankly3d.com
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Re: what just happened (time went backwards?)

2014-02-26 Thread lee
Lars E. Pettersson l...@homer.se writes:

 The syslog daemon writes whatever systemd sends to it. On one of my
 systems systemd decided to send the whole systemd journal to the
 syslog daemon, by doing so starting to write log lines from last year
 in my /var/log/messages.

What is the purpose of this log duplication?  When systemd has its own
logs, it doesn´t seem necessary to duplicate them by sending their
contents to syslogd.


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Re: what just happened (time went backwards?)

2014-02-25 Thread Ashley M. Kirchner
Besides the time changing, I'm also dying to know how (or WHY rather) it
also decided to stop all those services.


On Tue, Feb 25, 2014 at 11:30 AM, Neal Becker ndbeck...@gmail.com wrote:

 This f20 server has been running just fine for months.  Today it became
 unresponsive.  Couldn't ssh into it (ping ok).  Not thrashing disk (disk
 light
 not continuously on).

 I hit the power button and rebooted.  After reboot, checked
 /var/log/messages:

 Feb 25 12:06:18 nbecker7 kernel: [   49.667251] tun: Universal TUN/TAP
 device
 driver, 1.6
 Feb 25 12:06:18 nbecker7 kernel: [   49.667254] tun: (C) 1999-2004 Max
 Krasnyansky m...@qualcomm.com
 Feb 25 12:06:18 nbecker7 kernel: [   59.015938] Ebtables v2.0 registered
 Feb 25 12:06:18 nbecker7 kernel: [   59.601221] ip6_tables: (C) 2000-2006
 Netfilter Core Team
 Feb 25 12:06:18 nbecker7 kernel: [   65.646938] Bridge firewalling
 registered
 Feb 25 12:06:18 nbecker7 kernel: [   65.671316] device virbr0-nic entered
 promiscuous mode
 Feb 25 12:06:18 nbecker7 kernel: [   66.410670] virbr0: port 1(virbr0-nic)
 entered listening state
 Feb 25 12:06:18 nbecker7 kernel: [   66.410678] virbr0: port 1(virbr0-nic)
 entered listening state
 Feb 25 12:06:18 nbecker7 kernel: [   66.410724] IPv6: ADDRCONF(NETDEV_UP):
 virbr0: link is not ready
 Feb 25 12:06:18 nbecker7 kernel: [   66.668588] virbr0: port 1(virbr0-nic)
 entered disabled state
 Feb 25 12:06:54 nbecker7 kernel: [  109.855407] fuse init (API version
 7.22)
 Jan  8 10:48:32 nbecker7 systemd: Stopped target Graphical Interface.
 Jan  8 10:48:32 nbecker7 systemd: Stopping Multi-User System.
 Jan  8 10:48:32 nbecker7 systemd: Stopped target Multi-User System.
 Jan  8 10:48:32 nbecker7 systemd: Stopping ABRT kernel log watcher...
 Jan  8 10:48:32 nbecker7 systemd: Stopping Command Scheduler...
 Jan  8 10:48:32 nbecker7 systemd: Stopping Install ABRT coredump hook...
 Jan  8 10:48:32 nbecker7 systemd: Stopping ABRT Xorg log watcher...
 Jan  8 10:48:32 nbecker7 systemd: Stopping OpenSSH server daemon...

 How did the date just become Jan 8??

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Re: what just happened (time went backwards?)

2014-02-25 Thread Dale Dellutri
On Tue, Feb 25, 2014 at 12:30 PM, Neal Becker ndbeck...@gmail.com wrote:

 This f20 server has been running just fine for months.  Today it became
 unresponsive.  Couldn't ssh into it (ping ok).  Not thrashing disk (disk
 light
 not continuously on).

 I hit the power button and rebooted.  After reboot, checked
 /var/log/messages:

 Feb 25 12:06:18 nbecker7 kernel: [   49.667251] tun: Universal TUN/TAP
 device
 driver, 1.6
 Feb 25 12:06:18 nbecker7 kernel: [   49.667254] tun: (C) 1999-2004 Max
 Krasnyansky m...@qualcomm.com
 Feb 25 12:06:18 nbecker7 kernel: [   59.015938] Ebtables v2.0 registered
 Feb 25 12:06:18 nbecker7 kernel: [   59.601221] ip6_tables: (C) 2000-2006
 Netfilter Core Team
 Feb 25 12:06:18 nbecker7 kernel: [   65.646938] Bridge firewalling
 registered
 Feb 25 12:06:18 nbecker7 kernel: [   65.671316] device virbr0-nic entered
 promiscuous mode
 Feb 25 12:06:18 nbecker7 kernel: [   66.410670] virbr0: port 1(virbr0-nic)
 entered listening state
 Feb 25 12:06:18 nbecker7 kernel: [   66.410678] virbr0: port 1(virbr0-nic)
 entered listening state
 Feb 25 12:06:18 nbecker7 kernel: [   66.410724] IPv6: ADDRCONF(NETDEV_UP):
 virbr0: link is not ready
 Feb 25 12:06:18 nbecker7 kernel: [   66.668588] virbr0: port 1(virbr0-nic)
 entered disabled state
 Feb 25 12:06:54 nbecker7 kernel: [  109.855407] fuse init (API version
 7.22)
 Jan  8 10:48:32 nbecker7 systemd: Stopped target Graphical Interface.
 Jan  8 10:48:32 nbecker7 systemd: Stopping Multi-User System.
 Jan  8 10:48:32 nbecker7 systemd: Stopped target Multi-User System.
 Jan  8 10:48:32 nbecker7 systemd: Stopping ABRT kernel log watcher...
 Jan  8 10:48:32 nbecker7 systemd: Stopping Command Scheduler...
 Jan  8 10:48:32 nbecker7 systemd: Stopping Install ABRT coredump hook...
 Jan  8 10:48:32 nbecker7 systemd: Stopping ABRT Xorg log watcher...
 Jan  8 10:48:32 nbecker7 systemd: Stopping OpenSSH server daemon...

 How did the date just become Jan 8??


It didn't.  Systemd is in control, and /var/log/messages is no longer
necessarily
written in order.  You need to use journalctl to read the log for F20.


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Re: what just happened (time went backwards?)

2014-02-25 Thread Chris Murphy

On Feb 25, 2014, at 11:58 AM, Dale Dellutri daledellu...@gmail.com wrote:

 On Tue, Feb 25, 2014 at 12:30 PM, Neal Becker ndbeck...@gmail.com wrote:
 This f20 server has been running just fine for months.  Today it became
 unresponsive.  Couldn't ssh into it (ping ok).  Not thrashing disk (disk light
 not continuously on).
 
 I hit the power button and rebooted.  After reboot, checked /var/log/messages:
 
 Feb 25 12:06:18 nbecker7 kernel: [   49.667251] tun: Universal TUN/TAP device
 driver, 1.6
 Feb 25 12:06:18 nbecker7 kernel: [   49.667254] tun: (C) 1999-2004 Max
 Krasnyansky m...@qualcomm.com
 Feb 25 12:06:18 nbecker7 kernel: [   59.015938] Ebtables v2.0 registered
 Feb 25 12:06:18 nbecker7 kernel: [   59.601221] ip6_tables: (C) 2000-2006
 Netfilter Core Team
 Feb 25 12:06:18 nbecker7 kernel: [   65.646938] Bridge firewalling registered
 Feb 25 12:06:18 nbecker7 kernel: [   65.671316] device virbr0-nic entered
 promiscuous mode
 Feb 25 12:06:18 nbecker7 kernel: [   66.410670] virbr0: port 1(virbr0-nic)
 entered listening state
 Feb 25 12:06:18 nbecker7 kernel: [   66.410678] virbr0: port 1(virbr0-nic)
 entered listening state
 Feb 25 12:06:18 nbecker7 kernel: [   66.410724] IPv6: ADDRCONF(NETDEV_UP):
 virbr0: link is not ready
 Feb 25 12:06:18 nbecker7 kernel: [   66.668588] virbr0: port 1(virbr0-nic)
 entered disabled state
 Feb 25 12:06:54 nbecker7 kernel: [  109.855407] fuse init (API version 7.22)
 Jan  8 10:48:32 nbecker7 systemd: Stopped target Graphical Interface.
 Jan  8 10:48:32 nbecker7 systemd: Stopping Multi-User System.
 Jan  8 10:48:32 nbecker7 systemd: Stopped target Multi-User System.
 Jan  8 10:48:32 nbecker7 systemd: Stopping ABRT kernel log watcher...
 Jan  8 10:48:32 nbecker7 systemd: Stopping Command Scheduler...
 Jan  8 10:48:32 nbecker7 systemd: Stopping Install ABRT coredump hook...
 Jan  8 10:48:32 nbecker7 systemd: Stopping ABRT Xorg log watcher...
 Jan  8 10:48:32 nbecker7 systemd: Stopping OpenSSH server daemon...
 
 How did the date just become Jan 8??
 
 It didn't.  Systemd is in control, and /var/log/messages is no longer 
 necessarily
 written in order.  You need to use journalctl to read the log for F20.

Ahh I didn't pick up on these being from messages. 

journalctl -b  --no-pager # for the current boot
journalctl -b -1 --no-pager  # for the boot before current, -2 for the one 
before that, -3, -4, etc.

To get more information
journalctl -xb

It can also be piped

journalctl -b -1 | grep -i time

systemd itself doesn't manage or change time.


Chris Murphy

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Re: what just happened (time went backwards?)

2014-02-25 Thread Neal Becker
Ashley M. Kirchner wrote:

 Besides the time changing, I'm also dying to know how (or WHY rather) it
 also decided to stop all those services.

I assume it's because I hit the power button.  But it didn't actually shut 
down, 
and after a while I held the power button to force it.

 
 On Tue, Feb 25, 2014 at 11:30 AM, Neal Becker ndbeck...@gmail.com wrote:
 
 This f20 server has been running just fine for months.  Today it became
 unresponsive.  Couldn't ssh into it (ping ok).  Not thrashing disk (disk
 light
 not continuously on).

 I hit the power button and rebooted.  After reboot, checked
 /var/log/messages:

 Feb 25 12:06:18 nbecker7 kernel: [   49.667251] tun: Universal TUN/TAP
 device
 driver, 1.6
 Feb 25 12:06:18 nbecker7 kernel: [   49.667254] tun: (C) 1999-2004 Max
 Krasnyansky m...@qualcomm.com
 Feb 25 12:06:18 nbecker7 kernel: [   59.015938] Ebtables v2.0 registered
 Feb 25 12:06:18 nbecker7 kernel: [   59.601221] ip6_tables: (C) 2000-2006
 Netfilter Core Team
 Feb 25 12:06:18 nbecker7 kernel: [   65.646938] Bridge firewalling
 registered
 Feb 25 12:06:18 nbecker7 kernel: [   65.671316] device virbr0-nic entered
 promiscuous mode
 Feb 25 12:06:18 nbecker7 kernel: [   66.410670] virbr0: port 1(virbr0-nic)
 entered listening state
 Feb 25 12:06:18 nbecker7 kernel: [   66.410678] virbr0: port 1(virbr0-nic)
 entered listening state
 Feb 25 12:06:18 nbecker7 kernel: [   66.410724] IPv6: ADDRCONF(NETDEV_UP):
 virbr0: link is not ready
 Feb 25 12:06:18 nbecker7 kernel: [   66.668588] virbr0: port 1(virbr0-nic)
 entered disabled state
 Feb 25 12:06:54 nbecker7 kernel: [  109.855407] fuse init (API version
 7.22)
 Jan  8 10:48:32 nbecker7 systemd: Stopped target Graphical Interface.
 Jan  8 10:48:32 nbecker7 systemd: Stopping Multi-User System.
 Jan  8 10:48:32 nbecker7 systemd: Stopped target Multi-User System.
 Jan  8 10:48:32 nbecker7 systemd: Stopping ABRT kernel log watcher...
 Jan  8 10:48:32 nbecker7 systemd: Stopping Command Scheduler...
 Jan  8 10:48:32 nbecker7 systemd: Stopping Install ABRT coredump hook...
 Jan  8 10:48:32 nbecker7 systemd: Stopping ABRT Xorg log watcher...
 Jan  8 10:48:32 nbecker7 systemd: Stopping OpenSSH server daemon...

 How did the date just become Jan 8??

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Re: what just happened (time went backwards?)

2014-02-25 Thread Lars E. Pettersson

On 02/25/2014 07:58 PM, Dale Dellutri wrote:

It didn't.  Systemd is in control, and /var/log/messages is no longer
necessarily
written in order.  You need to use journalctl to read the log for F20.


The syslog daemon writes whatever systemd sends to it. On one of my 
systems systemd decided to send the whole systemd journal to the syslog 
daemon, by doing so starting to write log lines from last year in my 
/var/log/messages. Quite annoying... It also hogged 100% of the CPU.


But, when systemd behaves, /var/log/messages should be in order. And you 
do not need journalctl to read the log (as long as you have syslogd 
installed).


Lars
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