复制代码
# 查看安装的相关项
rpm -qa|grep -i mysql
# 停止服务
service mysqld stop
# 卸载
yum remove mysql-*
or
rpm -e xxx
# 下载MySQL5.5
wget -c http://dev.mysql.com/get/Downloads/MySQL-5.5/MySQL-5.5.49-1.rhel5.i386.rpm-bundle.tar
# 解压
tar -xvf MySQL-5.5.49-1.rhel5.i386.rpm-bundle.tar
# 安装
rpm -ivh MySQL-server-5.5.49-1.rhel5.i386.rpm MySQL-devel-5.5.49-1.rhel5.i386.rpm MySQL-client-5.5.49-1.rhel5.i386.rpm
# 升级
service mysql start
mysql_upgrade -u root -p