/sbin/iptables -I INPUT -p tcp --dport 8011 -j ACCEPT #开启8011端口 
/etc/rc.d/init.d/iptables save  #保存配置 
/etc/rc.d/init.d/iptables restart  #重启服务 
#查看端口是否已经开放
/etc/init.d/iptables status 

Mysql -u root -proot(root为密码)
mysql>GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY 'yourpassword' WITH GRANT OPTION;