Can't connect to local MySQL server through socket '/var/mysql/mysql.sock' (38)

Question

I am having a big problem trying to connect to mysql. When I run:

/usr/local/mysql/bin/mysql start

I have the following error :

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Answer 1

To prevent the problem from occurring, you must perform a graceful shutdown of the server from the command line rather than powering off the server.

shutdown -h now

This will stop the running services before powering down the machine.

Based on Centos, an additional method for getting it back up again when you run into this problem is to move mysql.sock:

mv /var/lib/mysql/mysql.sock /var/lib/mysql/mysql.sock.bak

service mysqld start

Restarting the service creates a new entry called mqsql.sock