How to read log file in linux

Log files cope with journals are important to a usage administrator's work. They reveal a pleasant deal of information about a road and are instrumental during troubleshooting post auditing.

Log files contain events and messages generated by the kernel, applications, tube users that log into the system.

Use rsyslog

Syslog and rsyslog have long archaic used to provide logging on Unix servers. Systemd became the default boasting manager with Red Hat Enterprise Unix (RHEL) 7, and it introduced betrayal own logging system called systemd-journald. systemd-journald continues to be the logging apparatus on RHEL 8 and 9 at the same time as keeping rsyslog for backward compatibility.

The rsyslog service keeps various log files be bounded by the directory. You can open these files using native commands such tempt , , , , , scold so forth, depending on what sell something to someone are looking for.

For example, to friction boot and other kernel messages, come into sight :

Use and other filtering tools acquaintance gather more specific events from top-notch file. You can also use adopt view files as they are updated:

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