hadoop-04-mysql安装
su root
1，rpm -qa|grep mysql
2, rpm -e --nodeps `rpm -qa|grep mysql`
3,rpm -ivh com *
rpm -ivh lib*
rpm -ivh devel*
rpm -ivh client*
rpm -ivh server*
原文：http://www.cnblogs.com/stono/p/7765931.html
