How to close mysql in centos

The operating environment of this tutorial: centOS6.8 system, MySQL5.7 version, Dell G3 computer.

How to close mysql in centos?

Starting and shutting down MySQL under Centos

1. Linux CentOS is generally used as a server, so the MySQL server should start randomly. Use the chkconfig command to view the services that start automatically after booting, as follows:

#chkconfig --list

Or just view the MySQL service

#chkconfig --list mysqld

You can see that mysql 2~5 is on, indicating The mysql service will start automatically when the machine starts.

2. Configure MySQL to start automatically at boot

chkconfig --add mysql
chkconfig mysqld on

3. Command to start/shut down the MySQL instance

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

4. Command to shut down MySQL

mysqladmin -p -u root shutdown

5. Check whether mysql is actually started

Method 1: Query port

#netstat -tulpn

MySQL monitors TCP port 3306. The last line of the command operation result in the figure indicates that the MySQL service is running.

Method 2: Query the process

ps -ef | grep mysqld

If there are two processes mysqld_safe and mysqld, it means that the MySQL service is currently starting.

Recommended learning: "MySQL Video Tutorial"