[CentOS] dmesg and messages differences

Thu Jan 20 18:12:36 UTC 2011
Paul Heinlein <heinlein at madboa.com>

On Fri, 21 Jan 2011, Cameron Kerr wrote:

> dmesg is everything sent from the kernel for logging (ie. the 
> historical content of the dmesg(8) command).
> messages is basically a syslog fall-through (a bit like /var/log/syslog)

See /etc/rc.sysinit for dmesg invocation that writes to 
/var/log/dmesg; the LOGLEVEL shell variable is set in 

The content of /var/log/messages is controlled via /etc/syslog.conf.

Paul Heinlein <> heinlein at madboa.com <> http://www.madboa.com/