In this tutorial, you will learn how to start, restart and stop MySQL Server on CentOS 8.

Check MySQL Server Status

On CentOS 8 you can check MySQL Server running status with following command:

$ systemctl status mysqld

The output will be like followings if MySQL Server is not start up.

● mysqld.service - MySQL 8.0 database server
   Loaded: loaded (/usr/lib/systemd/system/mysqld.service; enabled; vendor preset: disabled)
   Active: inactive (dead) since Wed 2021-03-31 05:39:51 UTC; 20s ago
  Process: 179628 ExecStopPost=/usr/libexec/mysql-wait-stop (code=exited, status=0/SUCCESS)
  Process: 179582 ExecStartPost=/usr/libexec/mysql-check-upgrade (code=exited, status=0/SUCCESS)
  Process: 179537 ExecStart=/usr/libexec/mysqld --basedir=/usr (code=exited, status=0/SUCCESS)
  Process: 179500 ExecStartPre=/usr/libexec/mysql-prepare-db-dir mysqld.service (code=exited, status=0/SUCCESS)
  Process: 179475 ExecStartPre=/usr/libexec/mysql-check-socket (code=exited, status=0/SUCCESS)
 Main PID: 179537 (code=exited, status=0/SUCCESS)
   Status: "Server shutdown complete"

Start MySQL Server

To start MySQL Server with following command:

$ sudo systemctl start mysqld

There are no output information after running the start command if everything is ok, you can check the running status of MySQL Server by running following command:

$ sudo systemctl status mysqld

Stop MySQL Server

To stop MySQL Server, use command:

$ sudo systemctl stop mysqld

Restart MySQL Server

To restart MySQL Server, use command:

$ sudo systemctl restart mysqld

Summary

You can manage MySQL Server not only with the systemd (systemctl) command but also commands using service and init.d.

$ sudo service mysql start

$ sudo /etc/init.d/mysql start