Mariadb初始登陆报错 ERROR 1045 (28000) 的解决办法
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今天,测试环境下需要使用到mysql数据库;于是我使用yum安装方式快速部署了mariadb。使用的Linux系统版本为CentOS 7.x。
安装完成后,我很自然的使用mysql命令登陆,因为是刚安装的初始环境,结果报错了:
[[email protected] ~]# mysql ERROR 1045 (28000): Access denied for user ‘root‘@‘localhost‘ (using password: NO)
第一次碰到这种情况。我检查了配置文件,没发现异常,另外yum安装,也是初始环境,应该不会有问题。无奈只能上网找找相关的案例试试。
还好,最后成功的解决了此问题。
解决步骤如下:
1,首先停掉数据库服务:
[[email protected] ~]# systemctl stop mariadb.service
2,使用mysqld_safe来启动mysqld服务器:
[[email protected] ~]# mysqld_safe --user=mysql --skip-grant-tables --skip-networking & [1] 4120 [[email protected] ~]# 170301 11:04:57 mysqld_safe Logging to ‘/var/log/mariadb/mariadb.log‘. 170301 11:04:57 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql
3,登录:
[[email protected] ~]# mysql -u root mysql Reading table information for completion of table and column names You can turn off this feature to get a quicker startup with -A Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 1 Server version: 5.5.52-MariaDB MariaDB Server Copyright (c) 2000, 2016, Oracle, MariaDB Corporation Ab and others. Type ‘help;‘ or ‘\h‘ for help. Type ‘\c‘ to clear the current input statement. MariaDB [mysql]>
4,修改root用户密码:
MariaDB [mysql]> UPDATE user SET PASSWORD=PASSWORD(‘newpassword‘) where USER=‘root‘; Query OK, 4 rows affected (0.00 sec) Rows matched: 4 Changed: 4 Warnings: 0 MariaDB [mysql]> FLUSH PRIVILEGES; Query OK, 0 rows affected (0.00 sec) MariaDB [mysql]> QUIT Bye [[email protected] ~]#
5,使用修改后的root用户和新密码newpassword登录数据库:
[[email protected] ~]# mysql -uroot -p Enter password: Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 6 Server version: 5.5.52-MariaDB MariaDB Server Copyright (c) 2000, 2016, Oracle, MariaDB Corporation Ab and others. Type ‘help;‘ or ‘\h‘ for help. Type ‘\c‘ to clear the current input statement. MariaDB [(none)]>
到此,该问题成功解决!
本文出自 “yangbin” 博客,请务必保留此出处http://13683137989.blog.51cto.com/9636221/1902267
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