How to check whether mysql is started in Linux?

There are many services under Linux. Today I will write about how to check whether the service is started, using mysql as an example.

1. Use the command # service mysqld status command to check the startup status of mysql as shown in the figure: mysqld is stopped, which means that the mysql service is stopped. If it is mysqld is running, then It means that the mysql service is started

##Recommended Manual:MySQL Development Manual

2. Use the command chkconfig --list command to view the startup status of mysql As shown in the figure: Find the mysqld service in the following services. If the status is off, it means that the mysql service has not been started

3. Use the command chkconfig --list mysqld command to check the startup status of mysql as shown in the figure: Find the mysqld service in the following services. If the status is off, it means that the mysql service has not started

4. Use the command chkconfig --list | grep on command to check the startup status of mysql as shown in the figure: If the mysql service has been started, then here will be There is this service

5. Use the command chkconfig --list | grep off command to check the startup status of mysql as shown in the figure Shown: If the mysql service is not started, then there will be this service

6. Use the command ps aux | grep The mysqld command is used to view the startup status of mysql as shown in the figure: The following figure compares the status of startup and non-startup

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