Duplicate logging?

[Jonathan Aquilina]

daemon.log  - is logs for all daemons running like cron daemon for example.
it records any information about daemons etc.

debug.log - not sure what that does

dmesg  - is a list of messages that are posted during start up that scroll
by so quickly

kern.log - is where any kernel messages are displayed

messages - dunno

syslog - any system messages are logged

user.log - logs any successful as well as unsuccessful user login attempts.

to be honest im not sure why so much duplication.

On Sun, Apr 11, 2010 at 8:00 PM, David Henningsson <
launchpad.web at epost.diwic.se> wrote:

> Hi!
>
> I've been in the Linux/Ubuntu world for a while now but I still haven't
> grasped the logging. And I'm not sure if this the right mailing list to
> ask, but...
>
> There are a lot of log files in /var/log and when I look into them often
> the same message are in several log files. Apart from the logs that
> directly relate to a particular application, we have at least:
>
> /var/log/daemon.log
> /var/log/debug.log
> /var/log/dmesg
> /var/log/kern.log
> /var/log/messages
> /var/log/syslog
> /var/log/user.log
>
> I've been trying to Google a little about it, but I'm still confused. Is
> there an overview of what messages go into what logs and why there are
> so many duplicates?
>
> E g, I can find the same kernel message in five logs: debug, dmesg,
> kern, messages, and syslog. Seems like waste of space, or am I missing
> something...?
>
> // David
>
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-- 
Jonathan Aquilina
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