Managing log files by using logrotate utility

For daily rotate, max rotated file is 31 count please follow the step below:-

sudo vim /etc/logrotate.d/nginx

/etc/nginx/logs/*.log {
        daily
        missingok
        rotate 31
        compress
        delaycompress
        notifempty
        create 640 myusername adm
        sharedscripts
        postrotate
                [ -f /var/run/nginx.pid ] && kill -USR1 `cat /var/run/nginx.pid`
        endscript
}

For

• size limit rotate
• max rotated file is 31 count
• older than 31 days auto remove
• specified backup extension

please follow the step below:-

/var/log/nginx/*.log {
        su appsadmin appsadmin
        size 256M
        missingok
        rotate 31
        compress
        delaycompress
        dateext
        dateformat -%Y%m%d_%H%M
        maxage 30
        notifempty
        create 640 appsadmin appsadmin
        sharedscripts
        postrotate
                [ -f /var/run/nginx.pid ] && kill -USR1 `cat /var/run/nginx.pid`
        endscript
}

sudo logrotate /etc/logrotate.d/nginx

use sudo crontab -e for create auto logrotate daily

0 0 * * * /usr/sbin/logrotate -f /etc/logrotate.d/nginx