Google
Edit File: mariadb@.socket
[Unit] Description=MariaDB 10.11.16 database server (socket activation multi-instance %I)) Documentation=man:mariadbd(8) Documentation=https://mariadb.com/kb/en/library/systemd/ [Install] WantedBy=sockets.target [Socket] ############################################################################## ## USERs can override ## ## ## by creating a file in /etc/systemd/system/mariadb.socket.d/MY_SPECIAL.conf ## and adding/setting the following under [Socket] will override this file's ## settings. SocketUser=mysql SocketMode=777 ListenStream=@mariadb-%I ListenStream=/var/lib/mysql/mysql.sock-%I # Backlog=150