Restart Start Stop MySQL Server from Command Line, macOS, Linux

To restart, start or stop MySQL or mariadb database servers from the command line, type the following at the shell prompt…

On Linux start/stop/restart from the command line:

 /etc/init.d/mysqld start
 /etc/init.d/mysqld stop
 /etc/init.d/mysqld restart

Some Linux flavors offer the service command too

 service mysqld start
 service mysqld stop
 service mysqld restart

or

 service mysql start
 service mysql stop
 service mysql restart

On macOS Big Sur, Sierra & OSX to start/stop/restart MySQL post 5.7 from the command line:

sudo launchctl load -F /Library/LaunchDaemons/com.oracle.oss.mysql.mysqld.plist
sudo launchctl unload -F /Library/LaunchDaemons/com.oracle.oss.mysql.mysqld.plist

On OS X to start/stop/restart MySQL pre 5.7 from the command line:

 sudo /usr/local/mysql/support-files/mysql.server start
 sudo /usr/local/mysql/support-files/mysql.server stop
 sudo /usr/local/mysql/support-files/mysql.server restart

Mysql Mariadb Restart Start Stop