Error: 0: Connection failed to the host localhost. Error: 0: Connection failed to the host localhost.Error: 0: Connection failed to the host localhost.Error: 0: Connection failed to the host localhost.Error: 0: Connection failed to the host localhost.Error: 0: Connection failed to the host localhost.Error: 0: Connection failed to the host localhost.Error: 0: Connection failed to the host localhost.Error: 0: Connection failed to the host localhost.Error: 0: Connection failed to the host localhost.Error: 0: Connection failed to the host localhost.Error: 0: Connection failed to the host localhost.Error: 0: Connection failed to the host localhost.No se pudo conectar: Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)