centos8安装screen

1) 安装源

cd /etc/yum.repos.d
mv CentOS-Base.repo  CentOS-Base.repo.back
wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-8.repo

2）报错

需要安装

yum install https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm

3）安装screen

yum install screen