centos中跳过权限修改密码

1. 修改my.cnf配置 sed -i ‘/mysqld/a\skip-grant-tables’ /etc/my.cnf 

   
2. 2

   重启mysql

   systemctl restart mysqld

   
3. 3

   进入mysql

   这次就不需要root密码了

   
4. 4

    use mysql;

   
5. 5

   UPDATE user SET Password = password('newpassword') where User = 'roo

   
6. 6

   刷新权限

   flush privileges; 

   
7. 7

   退出

   quit

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8. 8

   还原my.cnf配置sed -i 's/skip-grant-tables/#skip-grant-tables/g' /etc/my.cnf

   
9. 9

   再次重启mysql服务

   systemctl restart mysqld