yum安装报错“Error: xz compression not available”

 在测试服务器进行docker学习，有些centos7软件安装上和自己的服务器不兼容所以导致yun下载软件时报错：Error: xz compression not available对于报错解决办法：rm -fr /var/cache/yum/x86_64/6/epel/rm -rf /etc/yum.repos.d/epel*重新安装epel源和base源wget -O/etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repowget -O /etc/yum.repos.d/epel.repohttp://mirrors.aliyun.com/repo/epel-7.repoyum repolist