If you run into this error message while trying to connect to a local MySQL Server:

ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock'

It means either the MySQL server is not installed/running, or the file mysql.sock doesn’t exist in /var/lib/mysql/.

There are a couple of solutions for this error.

1. First, check to see whether mysqld service is running or not. If not, start it:

service mysqld start

Then try to connect again.

2. Try to connect to instead of localhost

If you connect to localhost, it will use the socket connector, but if you connect to the TCP/IP connector will be used. So when the socket connector is not working, try connecting to instead.

3. Edit file my.cnf

Find the file my.cnf (usually in /etc/) to edit and add these following line:





Restart mysql and connect again.

4. Symlink

In some cases, you mysql.sock might be located in another folder. You have to find and symlink it. You might find it in /tmp/mysql.sock or /data/mysql_datadir/mysql.sock

For example, your file is located as in /tmp/mysql.sock

Then symlink it:

ln -s /var/lib/mysql/mysql.sock /tmp/mysql.sock

Restart mysql and connect again.

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