mysql非本機不能登錄的問題

必須滿足

１、mysql> select user,host from user;
+------+------+
| user | host |
+------+------+
| root | %    |
+------+------+

２、# localhost which is more compatible and is not less secure.
bind-address            = 172.18.8.193
#
root@ubuntu1204-linjg-test8193:/home/test# vim /etc/mysql/my.cnf