1·安装mysql 命令：yum -y install httpd php mysql mysql-server
2·配置mysql
配置开机启动服务
/sbin/chkconfig --add mysqld [在服务清单中添加mysql服务]
/sbin/chkconfig mysqld on [设置mysql服务开机启动]
/sbin/service mysqld start [启动mysql服务,与开机无关]
设置mysql数据库root帐号密码：mysqladmin -u root password 'newpassword'
让mysql数据库更安全
mysql -u root -p
mysql> DROP DATABASE test; [删除test数据库]
mysql> DELETE FROM mysql.user WHERE user =''; [删除匿名帐户]
mysql> FLUSH PRIVILEGES; [重载权限]