我有两台服务器的一些最简单的设置。在第一个（192.168.250.199）我有 django，在另一个（192.168.250.200）我有一个 mysql 服务器
192.168.250.200:/etc/my.cnf
[mysqld]
#Base settings for mysql
datadir=/ext/lib/mysql
socket=/var/lib/mysql/mysql.sock
user=mysql
#Coding settings for databases
default-character-set=utf8
character-set-server=utf8
collation-server=utf8_general_ci
init-connect="SET NAMES utf8"
skip-character-set-client-handshake
#Connections and package settings
wait_timeout=600
max_allowed_packet=64M
# Default to using old password format for compatibility with mysql 3.x
# clients (those using the mysqlclient10 compatibility package).
old_passwords=1
# Disabling symbolic-links is recommended to prevent assorted security risks;
# to do so, uncomment this line:
# symbolic-links=0
[mysqld_safe]
log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid
192.168.250.199:/.../settings.py
DATABASES = {
'default': {
'ENGINE': 'django.db.backends.mysql',
'NAME' : 'monika',#--a1--
'USER' : 'monika',#--a2--
'PASSWORD' : 'monika',#--a3--
'HOST' : '192.168.250.200',#--a4--
'PORT' : '3336',#--a5--
}
}
所以我尝试通过运行'python settings.py syncdb'来同步数据库
python manage.py syncdb
Traceback (most recent call last):
File "manage.py", line 10, in <module>
execute_from_command_line(sys.argv)
File "/usr/lib/python2.6/site-packages/django/core/management/__init__.py", line 443, in execute_from_command_line
utility.execute()
File "/usr/lib/python2.6/site-packages/django/core/management/__init__.py", line 382, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "/usr/lib/python2.6/site-packages/django/core/management/base.py", line 196, in run_from_argv
self.execute(*args, **options.__dict__)
File "/usr/lib/python2.6/site-packages/django/core/management/base.py", line 231, in execute
self.validate()
File "/usr/lib/python2.6/site-packages/django/core/management/base.py", line 266, in validate
num_errors = get_validation_errors(s, app)
File "/usr/lib/python2.6/site-packages/django/core/management/validation.py", line 103, in get_validation_errors
connection.validation.validate_field(e, opts, f)
File "/usr/lib/python2.6/site-packages/django/db/backends/mysql/validation.py", line 14, in validate_field
db_version = self.connection.get_server_version()
File "/usr/lib/python2.6/site-packages/django/db/backends/mysql/base.py", line 415, in get_server_version
self.cursor().close()
File "/usr/lib/python2.6/site-packages/django/db/backends/__init__.py", line 317, in cursor
cursor = self.make_debug_cursor(self._cursor())
File "/usr/lib/python2.6/site-packages/django/db/backends/mysql/base.py", line 387, in _cursor
self.connection = Database.connect(**kwargs)
File "/usr/lib64/python2.6/site-packages/MySQLdb/__init__.py", line 81, in Connect
return Connection(*args, **kwargs)
File "/usr/lib64/python2.6/site-packages/MySQLdb/connections.py", line 187, in __init__
super(Connection, self).__init__(*args, **kwargs2)
_mysql_exceptions.OperationalError: (2003, "Can't connect to MySQL server on '192.168.250.200' (111)")
这个错误称为“Mysql 数据库连接被拒绝”，我应该寻找 mysqld 设置，但是，如果我尝试直接从控制台连接：
>mysql --host=192.168.250.200 --user=monika --password=monika --database=monika
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 22
Server version: 5.0.77 Source distribution
Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql>
成功了！在 Django 项目中没有更具体的设置，它使用本地数据库正常工作（是的，我试图将本地 my.conf 放在远程服务器上 - 没有效果）。
- 没有 selinux、iptables 和其他安全的东西
- 使用 redhat 可能的操作系统（CentOS 和 Scientific Linux）
我希望我已经很好地描述了我的问题。谢谢。