2002, "Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2) code example
Example 1: ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2)
sudo chown -R _mysql:mysql /usr/local/var/mysql
sudo mysql.server start
Example 2: can't connect to local mysql server through socket '/var/run/mysqld/mysqld.sock'
# Start your mysql server
/etc/init.d/mysql start