Contains various system messages
/var/log/messages file is a log file on a Linux system that contains various system messages, including information about system events, daemons, and other programs. It is
typically used to store overview-purpose messages that do not belong in any of the other log files.
/var/log/messages file is managed by the syslog daemon, which is responsible for collecting and storing log messages from the system and various programs. The syslog daemon
uses a set of configuration files to determine where to store each message and how to handle it.
/var/log/messages file can be useful for troubleshooting problems on a Linux system, as it can provide valuable information about what is happening on the system. It can be
viewed using the
less allows you to scroll through the entire file using the arrow keys.
tail -f /var/log/messages
tail command will display the last few lines of the file and show also new lines once they become available (the
-f flag stands for
You can use the
grep command to search for specific messages within the file:
grep "error" /var/log/messages
This will search for all lines in the file that contain the word
It is important to note that the
/var/log/messages file can grow quite large over time, so it is typically rotated (archived) on a regular basis to keep it from consuming too
much disk space. The
logrotate utility is often used to manage the rotation of log files on a Linux system.