[Unit] Description=MySQL 8.0 on port 3307 After=network.target Requires=network.target [Service] User=mysql Group=mysql ExecStart=/usr/sbin/mysqld --defaults-file=/etc/mysql/mysql.conf.d/mysqld.cnf LimitNOFILE = 5000 Restart=on-failure RestartSec=5s TimeoutSec=600 [Install] WantedBy=multi-user.target