YumYellowdogUpdater,ModifiedDNFDaNdiFiedYumCentOS7替换Yum源备份mkdir/etc/yum.repos.d/backupmv/etc/yum.repos.d/*.*/etc/yum.repos.d/backup下载（阿里云yum源）curl-o/etc/yum.repos.d/CentOS7-Aliyun.repohttp://mirrors.aliyun.com/repo/Centos-7.repocurl-o/etc/yum.repos.d/epel-7-Aliyun.repohttp://mirrors.aliyun.com/repo/epel-7.repoupdatecacheyumcleanall&&yummakecacheCentOS8replaceyumsourcebackupmkdir/etc/yum.repos.d/backupmv/etc/yum.repos.d/*.*/etc/yum.repos.d/backup下载（阿里云yum源）curl-o/etc/yum.repos.d/CentOS8-Aliyun.repohttp://mirrors.aliyun.com/repo/Centos-8.repo更新缓存yumcleanall&&yummakecacheinstallepelyuminstallepel-release-y替换epel文件中的url（可选）sed-i's|^#baseurl=https://download.fedoraproject.org/pub|baseurl=https://mirrors.aliyun.com|'/etc/yum.repos.d/epel*sed-i's|^metalink|#metalink|'/etc/yum.repos.d/epel*Viewepel$sudoyumrepolistepelRepositoryAppStream在配置中被列出不止一次Repositoryextrasislis在配置存储库中多次列出PowerTools在配置存储库中多次列出存储库centosplus在配置中多次列出repoidreponamestatuspelExtraPackagesforEnterpriseLinux8-x86_64enabled安装htop测试（htop在epel中）sudoyuminstallhtop本文来自qbitsnap
