时间：2021-07-01 10:21:17 帮助过：17人阅读
环境背景：CentOS 7.2
| 一、编辑/usr/lib/systemd/system/mariadb.service 文件，在Service段中添加 |
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[Service]
Type=simple
User=mysql
Group=mysql
User=mysql
Group=mysql
ExecStartPre=/usr/libexec/mariadb-prepare-db-dir %n
# Note: we set --basedir to prevent probes that might trigger SELinux alarms,
# per bug #547485
#在Server段中的ExecStart出添加如下
ExecStart=/usr/bin/mysqld_safe --basedir=/usr --skip-grant-tables --skip-networking
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二、键入systemctl daemon-reload使其立即生效 |
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[root@node1 ~]# systemctl daemon-reload
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| 三、重新启动mariadb服务并使用mysql联入 |
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[root@node1 ~]# systemctl restart mariadb.service
[root@node1 ~]# mysql
Welcome to the MariaDB monitor. Commands end with ; or \g.
Your MariaDB connection id is 2
Server version: 5.5.44-MariaDB MariaDB Server
Copyright (c) 2000, 2015, Oracle, MariaDB Corporation Ab and others.
Type ‘help;‘ or ‘\h‘ for help. Type ‘\c‘ to clear the current input statement.
MariaDB [(none)]>
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| 四、更改root用户的密码 |
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MariaDB [(none)]> UPDATE mysql.user SET Password=PASSWORD(‘xiaoshui‘) WHERE user=‘root‘ and host=‘localhost‘;
Query OK, 0 rows affected (0.00 sec)
Rows matched: 1 Changed: 0 Warnings: 0
MariaDB [(none)]> FLUSH PRIVILEGES;
Query OK, 0 rows affected (0.00 sec)
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| 五、退出并关闭mariadb服务并把/usr/lib/systemd/system/mariadb.service文件中刚刚添加的那两行移除 |
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ExecStart=/usr/bin/mysqld_safe --basedir=/usr
ExecStartPost=/usr/libexec/mariadb-wait-ready $MAINPID
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| 六、启动mariadb服务，并使用新设置的密码连接 |
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[root@node1 ~]# mysql -u root -h localhost -p
Enter password:
Welcome to the MariaDB monitor. Commands end with ; or \g.
Your MariaDB connection id is 4
Server version: 5.5.44-MariaDB MariaDB Server
Copyright (c) 2000, 2015, Oracle, MariaDB Corporation Ab and others.
Type ‘help;‘ or ‘\h‘ for help. Type ‘\c‘ to clear the current input statement.
MariaDB [(none)]>
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参考：http://dashui.blog.51cto.com/11254923/1877042
[转]Mariadb的root密码忘记后的解决方法
标签：read node art lib 密码连接 pre exec ;; 参考