本人在虚拟机上又安装了一台linux机器，作为MySQL数据库服务器用，在安装时选择了系统自带的MySQL服务器端，以下是启用步骤。

首先开启mysqld服务

#service mysqld start

进入/usr/bin目录

#cd /usr/bin

设定mysql数据库root用户的密码

#mysqladmin -u root password '123456'

进入mysql数据库管理控制台

#./mysql -u root -p

Enter password:

Welcome to the MySQL monitor.  Commands end with ; or \g.

Your MySQL connection id is 4

Server version: 5.0.67 Source distribution

Type 'help;' or '\h' for help. Type '\c' to clear the buffer.

mysql> grant all privileges on *.* to root@'%' identified by "root";

Query OK, 0 rows affected (0.00 sec)

mysql> flush privileges;

Query OK, 0 rows affected (0.00 sec)

mysql> grant select,update,insert,delete on *.* to root@192.168.0.100 identified by "root";

Query OK, 0 rows affected (0.00 sec)

mysql> flush privileges;

Query OK, 0 rows affected (0.00 sec)

mysql> quit

Bye

上面的步骤是进行授权

然后重启mysqld服务

# service mysqld restart

Stopping MySQL:                                            [  OK  ]

Starting MySQL:                                            [  OK  ]

再次进入mysql管理控制台

# mysql -u root -p

Enter password:

Welcome to the MySQL monitor.  Commands end with ; or \g.

Your MySQL connection id is 2

Server version: 5.0.67 Source distribution

Type 'help;' or '\h' for help. Type '\c' to clear the buffer.

mysql> use mysql

Reading table information for completion of table and column names

You can turn off this feature to get a quicker startup with -A

Database changed

mysql> update user set password=password('12345678') where user='root';

Query OK, 5 rows affected (0.00 sec)

Rows matched: 5  Changed: 5  Warnings: 0

mysql> flush privileges;

Query OK, 0 rows affected (0.00 sec)

mysql> quit

Bye

以上步骤是修改root用户的密码

之后开启防火墙的3306端口

# vi /etc/sysconfig/iptables

以下是/etc/sysconfig/iptables的内容，其中蓝色一行是新加的。这一行可以由上一行复制得到，方法是在22哪行按下yy，然后按p，然后点insert键进入编辑模式，修改22为3306，然后点esc，输入wq保存退出。

# Firewall configuration written by system-config-firewall

# Manual customization of this file is not recommended.

*filter

:INPUT ACCEPT [0:0]

:FORWARD ACCEPT [0:0]

:OUTPUT ACCEPT [0:0]

-A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT

-A INPUT -p icmp -j ACCEPT

-A INPUT -i lo -j ACCEPT

-A INPUT -m state --state NEW -m tcp -p tcp --dport 22 -j ACCEPT

-A INPUT -m state --state NEW -m tcp -p tcp --dport 3306 -j ACCEPT

-A INPUT -j REJECT --reject-with icmp-host-prohibited

-A FORWARD -j REJECT --reject-with icmp-host-prohibited

COMMIT

防火墙重启

# service iptables restart

iptables: Flushing firewall rules:                         [  OK  ]

iptables: Setting chains to policy ACCEPT: filter          [  OK  ]

iptables: Unloading modules:                               [  OK  ]

iptables: Applying firewall rules:                         [  OK  ]

之后就可以在192.168.0.100上用mysqlfront连接数据库了。

本文转自张昺华-sky博客园博客，原文链接：http://www.cnblogs.com/xiandedanteng/p/5799417.html，如需转载请自行联系原作者