mysql 怎么查看启动了没有
时间: 2024-06-12 09:05:00 浏览: 32
可以使用以下命令来查看 MySQL 是否已经启动:
1. 通过 systemctl 命令(仅适用于使用 systemd 管理的系统):
```
systemctl status mysql
```
如果 MySQL 已经启动,将会显示如下信息:
```
● mysql.service - MySQL Community Server
Loaded: loaded (/lib/systemd/system/mysql.service; enabled; vendor preset: enabled)
Active: active (running) since Wed 2021-09-01 10:31:05 UTC; 1 day 2h ago
Main PID: 1234 (mysqld)
Tasks: 28 (limit: 1164)
Memory: 271.8M
CGroup: /system.slice/mysql.service
└─1234 /usr/sbin/mysqld --daemonize --pid-file=/run/mysqld/mysqld.pid
```
2. 通过 service 命令:
```
service mysql status
```
如果 MySQL 已经启动,将会显示如下信息:
```
● mysql.service - MySQL Community Server
Loaded: loaded (/lib/systemd/system/mysql.service; enabled; vendor preset: enabled)
Active: active (running) since Wed 2021-09-01 10:31:05 UTC; 1 day 2h ago
Main PID: 1234 (mysqld)
Tasks: 28 (limit: 1164)
Memory: 271.8M
CGroup: /system.slice/mysql.service
└─1234 /usr/sbin/mysqld --daemonize --pid-file=/run/mysqld/mysqld.pid
```