Install and Configure Logrotate on CentOS 8

Logs are beneficial to collect information. They can be beneficial while troubleshooting an issue. Logs can also be a pain to deal with but they also are lifesavers while troubleshooting an issue. In this article we will Install and configure logrotate on CentOS 8.

First, Update your system.

dnf -y update

Secondly, Install logrotate using the following command:

yum install -y logrotate

Check version of logrotate.

logrotate --version

Logrotate configuration can be checked and edited from its configuration file placed at “/etc/logrotate.conf”.

nano /etc/logrotate.conf

Now, as an example we will use logrotate. We will set log rotation schedule, Number of times log files will rotate, size limit for log files and other parameters.

Logrotate file will be found at /etc/logrotate.d/httpd.

/var/log/httpd/*log {
    daily
    rotate 3
    size 5M
    missingok
    notifempty
    sharedscripts
    delaycompress
    postrotate
        /bin/systemctl reload httpd.service > /dev/null 2>/dev/null || true
    endscript
}

daily: rotation times.

rotate 3: Log files rotation count times.

size: Rotate Log files only if they grow bigger then size bytes.

missingok: If the log file is missing, go on to the next one without issuing an error message.

notifyempty: Do not rotate the log if it is empty (this overrides the ifempty option).

sharedscripts: this option makes scripts run only once, no matter how many logs match the wildcarded pattern, and whole pattern passes to them.

delaycompress: Postpone compression of the previous log file to the next rotation cycle.

Now, you can test the log rotation feature by running the following command:

logrotate -d /etc/logrotate.d/httpd

You can install Logrotate on CentOS and use it.

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