COME RISOLVERE: "Warning: mysqli_connect(): (HY000/2002)" in Mac OS X

Breve appunto su come risolvere un errore del tipo:

Warning: mysqli_connect(): (HY000/2002): No such file or directory in /Users/myuser/Sites/mysite/db_connect.php on line 3
Failed to connect to MySQL: No such file or directory

ecco la soluzione (digitare su terminale):

cd /var
sudo mkdir mysql
cd mysql
sudo ln -s /tmp/mysql.sock mysql.sock