Centos+mysql message: can't connect to local MySQL server through socket '/var/lib/mysql/mysql socket

1. see mysql The configuration file

locate my.cnf

2. see mysql.socket file location

3. And the destination address /var/lib/mysql/mysql.socket atypism , Soft link is required , Enter the first /var/lib Under the table of contents

cd /var/lib

4. establish mysql file

sudo mkdir mysql

5. Create soft link sudo ln -s mysql.sock Actual location /var/lib/mysql/mysql.socket

sudo ln -s /data_p/mysql_data/mysql.sock /var/lib/mysql/mysql.sock