在mariadb的配置文件中加入下列一行
vim /etc/my.conf.d/server.cnf
[mysqld]
skip-grant-tables # 加入此行
重启mariadb服务
systemctl start mariadb.service
登录mysql
[root@vps]# mysql
Welcome to the MariaDB monitor. Commands end with ; or g.
Your MariaDB connection id is 8
Server version: 10.3.21-MariaDB MariaDB Server
Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others.
Type 'help;' or 'h' for help. Type 'c' to clear the current input statement.
MariaDB [mysql]> use mysql
MariaDB [mysql]> update user set password=password('123456') where User='root';
Query OK, 4 rows affected (0.001 sec)
Rows matched: 5 Changed: 4 Warnings: 0
MariaDB [mysql]> flush privileges;
Query OK, 0 rows affected (0.000 sec)
MariaDB [mysql]> exit
Bye
还原配置文件
重启服务再次登录
[root@tx_sh_vps wordpress]# systemctl restart mariadb.service
[root@tx_sh_vps wordpress]# mysql -uroot -p
Enter password: