[root@sample ~]# yum -y install mysql-server　 
[root@sample ~]# yum -y install php-mysql　 

[root@sample ~]#vim /etc/my.cnf　 编辑MySQL的配置文件
[mysqld]
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
# Default to using old password format for compatibility with mysql 3.x
# clients (those using the mysqlclient10 compatibility package).

old_passwords=1　

default-character-set = utf8　

default-character-set = utf8

[root@sample ~]# chkconfig mysqld on

[root@sample ~]# chkconfig --list mysqld

mysqld 0:off 1:off 2:on 3:on 4:on 5:on 6:off

[root@sample ~]#/etc/rc.d/init.d/mysqld start

Initializing MySQL database:　　　　　　　　 [ OK ]
Starting MySQL: 　　　　　　　　　　　　　[ OK ]

grant all privileges on *.* to root@"%" identified by "password" with grant option;
flush privileges;

vim /etc/mysql/my.cnf

bind-address = 127.0.0.1

bind-address = 0.0.0.0
#允许任意ip地址访问

sudo /etc/init.d/mysqld restart