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What is the purpose of logrotate in Linux?
logrotate is designed to ease administration of systems that generate large numbers of log files. It allows automatic rotation, compression, removal, and mailing of log files. Each log file may be handled daily, weekly, monthly, or when it grows too large. Normally, logrotate is run as a daily cron job.
Can you use date and time in logrotate?
Reading logrotate dateformat seems not supporting %H:%M:%S logrotate support for %H:%M:%S has arrived (though not yet on my favourite Linux distribution). If this is not supported yet on your system and you only require some extra information to distinguish the hourly archive files you can use
Is there a way to rotate all files in logrotate?
If you specify *, logrotate will rotate all files, including previously rotated ones. A way around this is to use the olddir directive or a more exact wildcard (such as *.log). Here is more information on the directives which may be included in a logrotate configuration file:
When to use include or NOMAIL in logrotate?
The include directive may not appear inside a log file definition. When a log is rotated out-of-existence, it is mailed to address. If no mail should be generated by a particular log, the nomail directive may be used. When using the mail command, mail the just-rotated file, instead of the about-to-expire file.
] logrotate is designed to ease administration of systems that generate large numbers of log files. It allows automatic rotation, compression, removal, and mailing of log files. Each log file may be handled daily, weekly, monthly, or when it grows too large.
How often should log files be rotated in logrotate?
If logrotate runs with root privileges, it is recommended to use the su directive to rotate files in directories that are directly or indirectly in control of non-privileged users. Frequency hourly Log files are rotated every hour.
When to turn on debug mode in logrotate?
Sometimes this is useful after adding new entries to a logrotate config file, or if old log files have been removed by hand, as the new files will be created, and logging will continue correctly. -d, –debug Turn on debug mode, which means that no changes are made to the logs and the logrotate state file is not updated.
What happens if there is no command line argument in logrotate?
If no command line arguments are given, logrotate will print version and copyright information, along with a short usage summary. If any errors occur while rotating logs, logrotate will exit with non-zero status.