centos start up and shut down mysql service

1, the configuration of MySQL at startup

 

chkconfig -- add mysql
chkconfig mysqld on

2, the command enable / disable MySQL instance

 

 

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

3, ordered the closure of MySQL

 

 

mysqladmin -p -u root shutdown

4, check whether the real start mysql

 

Method One: query port

 

#netstat -tulpn

MySQL monitor TCP port 3306 is the last line of the figure that is the result of the operation command MySQL service in operation.

 

Method Two: query process

 

ps -ef | grep mysqld

If there are two processes mysqld_safe and mysqld, indicating that MySQL service is currently in start-up state.