Editing Linux: log files

== Common Linux log files names and usage ==
{| class="wikitable"
|-
! Path !! Description
|-
| /var/log/messages || General message and system related stuff
|-
| /var/log/auth.log || Authenication logs
|-
| /var/log/kern.log || Kernel logs
|-
| /var/log/cron.log || Crond logs (cron job)
|-
| /var/log/maillog || Mail server logs
|-
| /var/log/qmail/ || Qmail log directory (more files inside this directory)
|-
| /var/log/httpd/ || Apache access and error logs directory
|-
| /var/log/lighttpd/ || Lighttpd access and error logs directory
|-
| /var/log/boot.log || System boot log
|-
| /var/log/mysqld.log || MySQL database server log file
|-
| /var/log/secure or /var/log/auth.log || Authentication log
|-
| /var/log/utmp or /var/log/wtmp || Login records file
|-
| /var/log/yum.log || Yum command log file.
|}

== GUI Tool ==
Debian:
 sudo gnome-system-log

== Log configuration: rsyslogd ==
 vi /etc/rsyslog.conf
 ls /etc/rsyslog.d/