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From: Doug Freyburger on 10 Mar 2010 12:11
Ant wrote:
>
> What's the difference between
> this and /var/log/messages and dmesg? FYI:

syslogd receives messages sent to it and uses the instructions in
syslogd.conf to tell what to do with each message. Common options are
to drop the message, put it in a log file with a time stamp, write it to
the console, send it in e-mail.

dmesg reads the contents of the rotating buffer that contains the kernel
messages. The closest it has to a time stamp is the location of the
current pointer into the rotating buffer.

There's some overlap - Some kernel messages go to both places. There's
some non-overlap - The rotating buffer never has anything from any other
host or from utilities not in the kernel.
From: Joe Beanfish on 10 Mar 2010 13:06
On 03/10/10 10:17, Ant wrote:
> On 3/9/2010 9:47 AM PT, Tecknode typed:
>
>> Did you use "System" menu, Administration, Log File Viewer?
>>
>> Look for "kern.log"
>
> That's a new one (catted it in shell). What's the difference between
> this and /var/log/messages and dmesg? FYI:
>
> ...
> Mar 10 04:52:55 foobar kernel: [162599.988025] Machine check events logged
> Mar 10 05:10:25 foobar kernel: [163649.988019] Machine check events logged
> ...

See your syslog conf to find out what goes to what files.
/etc/syslog.conf or /etc/rsyslog.conf or ?? depending on the syslog
package being used.
From: Ant on 11 Mar 2010 11:55
On 3/10/2010 9:11 AM PT, Doug Freyburger typed:

>> What's the difference between
>> this and /var/log/messages and dmesg? FYI:
>
> syslogd receives messages sent to it and uses the instructions in
> syslogd.conf to tell what to do with each message. Common options are
> to drop the message, put it in a log file with a time stamp, write it to
> the console, send it in e-mail.
>
> dmesg reads the contents of the rotating buffer that contains the kernel
> messages. The closest it has to a time stamp is the location of the
> current pointer into the rotating buffer.
>
> There's some overlap - Some kernel messages go to both places. There's
> some non-overlap - The rotating buffer never has anything from any other
> host or from utilities not in the kernel.

Thanks. For the errors I am getting, they appear to be the same and
nothing unusual that I could see between those logs.
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