Unhandled exception in thread started by > Traceback (most recent call last): File "/usr/local/lib/python2.7/dist-packages/django/core/management/commands/runserver.py", line 91, in inner_run self.validate(display_num_errors=True) File "/usr/local/lib/python2.7/dist-packages/django/core/management/base.py", line 266, in validate num_errors = get_validation_errors(s, app) File "/usr/local/lib/python2.7/dist-packages/django/core/management/validation.py", line 103, in get_validation_errors connection.validation.validate_field(e, opts, f) File "/usr/local/lib/python2.7/dist-packages/django/db/backends/mysql/validation.py", line 14, in validate_field db_version = self.connection.get_server_version() File "/usr/local/lib/python2.7/dist-packages/django/db/backends/mysql/base.py", line 415, in get_server_version self.cursor().close() File "/usr/local/lib/python2.7/dist-packages/django/db/backends/__init__.py", line 306, in cursor cursor = self.make_debug_cursor(self._cursor()) File "/usr/local/lib/python2.7/dist-packages/django/db/backends/mysql/base.py", line 387, in _cursor self.connection = Database.connect(**kwargs) File "/usr/lib/python2.7/dist-packages/MySQLdb/__init__.py", line 81, in Connect return Connection(*args, **kwargs) File "/usr/lib/python2.7/dist-packages/MySQLdb/connections.py", line 187, in __init__ super(Connection, self).__init__(*args, **kwargs2) _mysql_exceptions.OperationalError: (2002, "Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)")