How to check whether mysql is started in centos system

The following two methods can confirm whether mysql is starting and running:

Method 1: Query port

#netstat -tulpn

(Recommended tutorial: centos usage tutorial)

The actual usage is as shown below:

MySQL monitors TCP port 3306, the last line of the command operation result in the picture That is, it means 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 started.

Recommended related video tutorials: linux video tutorial

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