yum list installed
可以找到想下载的软件的yum安装包
我是想卸载mysql
mysql-community-client.x86_64
mysql-community-common.x86_64
mysql-community-libs.x86_64
mysql-community-release.noarch
mysql-community-server.x86_64
找到了5个安装包
然后
yum remove mysql-community-client.x86_64
yum removemysql-community-common.x86_64
yum remove mysql-community-libs.x86_64
yum remove mysql-community-release.noarch
yum remove mysql-community-server.x86_64
卸载完成！
