Fiime分享[root@li433-101 ~]# yum -y install screen Last metadata expiration check: 0:11:50 ago on Fri 03 Jan 2020 11:55:26 AM UTC. No match for argument: screen Error: Unable to find a match
问题应该是没有配置 yum 源，所以解决办法就是：安装 EPEL 源
yum install https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm
