..i / ili ERROR 1045 (28000): Access denied for user ‘root’@’localhost’ (using password: NO)

Rješenje

sudo service apache2 stop
sudo service mysql stop
sudo service mysql start
sudo service apache2 start

https://stackoverflow.com/questions/22290519/mysql-error-2002-hy000-cant-connect-to-local-mysql-server-through-socket-v