Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2）

mysql使用可视化界面登录使用的时候都没问题，只要使用xhell命令进入mysql就报异常

Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2）

解决方法：转载 https://blog.csdn.net/HeatDeath/article/details/79065872