1. How to resolve the error - can't connect to the local mysql server through socket '/var/lib/mysql/mysql.sock' (2)?

475    Asked by AnishaDalal in SQL Server , Asked on Sep 29, 2022

 Description: I kept getting this following error every time I tried to restart MySql. It was working fine before I changed the default data directory. ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib /mysql/mysql.sock' (111) I know there are other solutions posted by others but none of them worked for me.

Answered by Ankesh Kumar
  To resolve the error - can't connect to local mysql server through socket '/var/lib/mysql/mysql.sock' (2) - 

Check the following First check if another instance is running in the same machine ps ax | grep mysql Then, check if your file my.cnf (probably in /etc/mysql/ folder) is correctly configured with

datadir = /var/lib/mysql/
socket = /var/lib/mysql/mysql.sock

Next, you have changed the default data directory, did you gave the right permissions to the new directory now

 chown mysql:mysql -R /var/lib/mysql/*
 chmod 755 -R /var/lib/mysql/*

After changing the permission restart the service and check

service mysql restart

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