# yum  -y  install  mysql

#   yum install mysql-server

#   yum install mysql-devel

#  chgrp -R mysql /var/lib/mysql

#   chmod -R 770 /var/lib/mysql

#  service  mysqld start

# mysql -u root -ppassword    //进入mysql控制台

# mysql>use mysql;

# mysql>update user set host = '%' where user = 'root';    //这个命令执行错误时可略过

# mysql>flush privileges;

# mysql>select host, user from user; //检查‘%’ 是否插入到数据库中

#mysql>quit