mariadb

Some times when MariaDB installed first time, it runs ok but after System reboot, its start creating problems i.e. MariaDB service stuck at Activating state. if you try to start it, its seems keep waiting in staring state and when check status using command systemctl status mariadb.service its shows status like Active: activating (start) in journalctl -xe output you see errors like  AVC apparmor="DENIED" Reason for this problem is that, you probably have MySQL installed beforehand. Mean first this server had MySQL server installed and upgraded it to MariaDB server. It is a known bug: MySQL installs an AppArmor profile, and the…