下载mysql rpm

wget http://dev.mysql.com/get/Downloads/MySQL-5.6/MySQL-server-5.6.31-1.el6.x86_64.rpm

删除libs

rpm -qa|grep -i mysql

mysql-libs-5.1.73-7.el6.x86_64

rpm -e mysql-libs-5.1.73-7.el6.x86_64 --nodeps