/var/log/messages
The system's main logfile.
The gnome system log viewer
gnome-system-log
GNOME System Log Viewer is a simple utility to display system log files.
/var/log/messages
The system's main logfile.
/etc/syslog.conf
Configuration file for syslogd. See syslog.conf(5) for exact information.
Unchanged in 10 releases since Debian 3.1 (Sarge).