


How to detect whether mysql is installed under linux
How to detect whether mysql is installed under Linux: execute the [service mysqld start] command. If it prompts [mysqld: unrecognized service], it means that mysql is not installed in the system. If mysql is successfully started, it means The mysql service has been installed.
#The daemon process of mysql is mysqld.
(Recommended tutorial: mysql tutorial)
If it has been installed, it will prompt:
[root@localhost ~]# service mysqld start 启动 MySQL: [确定]
If it has not been installed, it will prompt:
[root@localhost ~]# service mysqld start mysqld:未被识别的服务
yum Install mysql
yum -y install mysql-server
Related recommendations: php training
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