zh:notes:centos_mysql_pwd
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zh:notes:centos_mysql_pwd [2022/10/22 20:34] pzczxs [CentOS环境下MySQL忘记root密码解决方案] |
zh:notes:centos_mysql_pwd [2023/03/23 07:42] (当前版本) pzczxs [Start mysql Service] |
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| ====== Reset the Password of MySQL in the CentOS ====== | ====== Reset the Password of MySQL in the CentOS ====== | ||
| - | ===== 修改MySQL的登录设置 ===== | + | ===== Stop mysql Service ===== |
| - | <code> | + | <code bash> |
| - | # vim /etc/my.cnf | + | > systemctl stop mysqld.service |
| </code> | </code> | ||
| - | 在[mysqld]的段中加上一句：<color red>skip-grant-tables</color> | + | |
| - | 例如： | + | ===== Set the Environment Option ===== |
| - | <code> | + | <code bash> |
| - | [mysqld] | + | > systemctl set-environment MYSQLD_OPTS="--skip-grant-tables" |
| - | datadir=/var/lib/mysql | + | |
| - | socket=/var/lib/mysql/mysql.sock | + | |
| - | skip-grant-tables | + | |
| </code> | </code> | ||
| - | 保存并且退出vi。 | ||
| - | ===== 重新启动mysqld ===== | + | ===== Login as root without Password ===== |
| - | <code> | + | <code bash> |
| - | # service mysqld restart | + | > systemctl start mysqld.service |
| + | > mysql -uroot | ||
| </code> | </code> | ||
| - | ===== 登录并修改MySQL的root密码 ===== | + | ===== Update the Password ===== |
| - | <code> | + | <code bash> |
| - | # mysql | + | mysql> USE mysql |
| - | mysql> USE mysql ; | + | mysql> ALTER USER "root"@"localhost" IDENTIFIED BY "MyNewPassword"; |
| - | mysql> UPDATE user SET Password = password ( 'new-password' ) WHERE User = 'root' ; | + | mysql> FLUSH PRIVILEGES; |
| - | mysql> flush privileges ; | + | |
| mysql> quit | mysql> quit | ||
| </code> | </code> | ||
| - | ===== 将MySQL的登录设置修改回来 ===== | + | ===== Stop mysql Service and Unset the Environment Option ===== |
| - | <code> | + | <code bash> |
| - | # vim /etc/my.cnf | + | > systemctl stop mysqld.service |
| + | > systemctl unset-environment MYSQLD_OPTS | ||
| + | </code> | ||
| + | |||
| + | ===== Start mysql Service ===== | ||
| + | <code bash> | ||
| + | > systemctl start mysqld.service | ||
| </code> | </code> | ||
| - | 将刚才在[mysqld]的段中加上的skip-grant-tables删除 | ||
| - | 保存并且退出vim | ||
| - | ===== 重新启动mysqld ===== | + | ===== Login with New Password ===== |
| - | <code> | + | <code bash> |
| - | # service mysqld restart | + | > mysql -uroot -p |
| </code> | </code> | ||
| ~~DISCUSSION:closed~~ | ~~DISCUSSION:closed~~ | ||
zh/notes/centos_mysql_pwd.1666442068.txt.gz · 最后更改: 2022/10/22 20:34 由 pzczxs