Linux常见问题解决

一、Linux中mysql忘记用户名的解决方案

1.vim /etc/my.cnf
[mysqld]
skip-grant-tables ##追加此行，跳过权限表，

2.重启mysql
systemctl restart mysqld

3.mysql 登陆mysql
mysql> use mysql;
mysql> UPDATE user SET Password = password ( 'zha123456' ) WHERE User = 'root' ;
mysql> flush privileges ; 
mysql> quit

4.恢复配置文件my.cnf
vim /etc/my.cnf
[mysqld]
skip-grant-tables ##去掉此行，继续校验权限表，

5.重启mysql
systemctl restart mysqld

二、Linux常用命令

https://www.cnblogs.com/xuxinstyle/p/9609551.html