[root@APP3 app_user_5i5j]# vi /etc/systemd/system/mysql.service
# /etc/systemd/system/mysql.service
[Unit]
Description=MySQL Database
After=network.target
[Service]
User=mysql
Group=mysql
ExecStart=/usr/local/webserver/mysql5.7/bin/mysqld_safe --defaults-file=/mysql/my.cnf --user=mysql
ExecStop=/bin/kill -s QUIT $MAINPID
Restart=always
PrivateTmp=false
[Install]
WantedBy=multi-user.target
systemctl enable mysql