Ubuntu下MySQL中文乱码的问题解决

/usr/local/lib/python2.7/dist-packages/Django-1.11.dev20170117002028-py2.7.egg/django/db/backends/mysql/base.py:109: Warning: Incorrect string value: '\xE6\x88\x90\xE5\x8A\x9F...' for column 'json' at row 1
 return self.cursor.execute(query, args)
[07/Feb/2017 12:15:21] "GET /index/ HTTP/1.1" 200 250

mysql> show create database bangjob;
+----------+--------------------------------------------------------------------+
| Database | Create Database    |
+----------+--------------------------------------------------------------------+
| bangjob | CREATE DATABASE `bangjob` /!40100 DEFAULT CHARACTER SET latin1 / |
+----------+--------------------------------------------------------------------+
1 row in set (0.00 sec)

mysql> show variables like'%char%';
+--------------------------+----------------------------+
| Variable_name | Value  |
+--------------------------+----------------------------+
| character_set_client | utf8  |
| character_set_connection | utf8  |
| character_set_database | latin1  |
| character_set_filesystem | binary  |
| character_set_results | utf8  |
| character_set_server | latin1  |
| character_set_system | utf8  |
| character_sets_dir | /usr/share/mysql/charsets/ |
+--------------------------+----------------------------+
8 rows in set (0.00 sec)

mysql> set character_set_database=utf8;
Query OK, 0 rows affected (0.00 sec)

mysql> set character_set_server=utf8;
Query OK, 0 rows affected (0.00 sec)

mysql> show variables like'%char%';
+--------------------------+----------------------------+
| Variable_name | Value  |
+--------------------------+----------------------------+
| character_set_client | utf8  |
| character_set_connection | utf8  |
| character_set_database | utf8  |
| character_set_filesystem | binary  |
| character_set_results | utf8  |
| character_set_server | utf8  |
| character_set_system | utf8  |
| character_sets_dir | /usr/share/mysql/charsets/ |
+--------------------------+----------------------------+
8 rows in set (0.00 sec)

sudo gedit /etc/mysql/my.f

[client]
default-character-set=utf8
[mysqld]
default-character-set=utf8
[mysql]
default-character-set=utf8

/etc/init.d/mysql start

mysql> show variables like "%char%";
+--------------------------+----------------------------+
| Variable_name   | Value      |
+--------------------------+----------------------------+
| character_set_client  | utf8      |
| character_set_connection | utf8      |
| character_set_database | utf8      |
| character_set_filesystem | binary      |
| character_set_results | utf8      |
| character_set_server  | utf8      |
| character_set_system  | utf8      |
| character_sets_dir  | /usr/share/mysql/charsets/ |
+--------------------------+----------------------------+
8 rows in set (0.01 sec)

mysql -u root -p

ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)

sudo /etc/init.d/mysql status