Ubuntu 上启动 MariaDB 数据库：详细步骤和命令

在 Ubuntu 中启动 MariaDB，可以使用以下命令：

1. 打开终端

2. 输入以下命令来启动 MariaDB 服务

sudo systemctl start mariadb

3. 输入以下命令来检查 MariaDB 服务是否正在运行

sudo systemctl status mariadb

如果 MariaDB 服务正在运行，您将看到以下输出：

● mariadb.service - MariaDB 10.3.29 database server
     Loaded: loaded (/lib/systemd/system/mariadb.service; enabled; vendor preset: enabled)
    Drop-In: /etc/systemd/system/mariadb.service.d
             └─migrated-from-my.cnf-settings.conf
     Active: active (running) since Fri 2021-09-24 09:03:36 UTC; 1h 5min ago
       Docs: man:mysqld(8)
             https://mariadb.com/kb/en/library/systemd/
   Main PID: 24813 (mysqld)
     Status: 'Taking your SQL requests now...' 
      Tasks: 31 (limit: 2362)
     Memory: 84.3M
     CGroup: /system.slice/mariadb.service
             └─24813 /usr/sbin/mysqld

Sep 24 09:03:33 ubuntu20 systemd[1]: Starting MariaDB 10.3.29 database server...
Sep 24 09:03:36 ubuntu20 systemd[1]: Started MariaDB 10.3.29 database server.

如果 MariaDB 服务没有运行，您将看到以下输出：

● mariadb.service - MariaDB 10.3.29 database server
     Loaded: loaded (/lib/systemd/system/mariadb.service; enabled; vendor preset: enabled)
    Drop-In: /etc/systemd/system/mariadb.service.d
             └─migrated-from-my.cnf-settings.conf
     Active: inactive (dead)
       Docs: man:mysqld(8)
             https://mariadb.com/kb/en/library/systemd/

Sep 24 09:03:33 ubuntu20 systemd[1]: Starting MariaDB 10.3.29 database server...
Sep 24 09:03:36 ubuntu20 systemd[1]: Started MariaDB 10.3.29 database server.