配置yum/dnf 源 CentOS 8 默认是会读取centos.org的mirrorlist的,所以一般来说是不需要配置镜像的。 cd /etc/yum.repos.d #备份 cp CentOS-Base.repo CentOS-Base.repo.bak cp CentOS-AppStream.repo CentOS-AppStream.repo.bak cp CentOS-Extras.repo CentOS-Extras.repo.bak --- vim /etc/yum.repos.d/CentOS-Base.repo [BaseOS] name=CentOS-$releasever - Base baseurl=https://mirrors.aliyun.com/centos/$releasever/BaseOS/$basearch/os/ gpgcheck=1 enabled=1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-centosofficial --- vim /etc/yum.repos.d/CentOS-APPStream.repo [AppStream] name=CentOS-$releasever - AppStream baseurl=https://mirrors.aliyun.com/centos/$releasever/AppStream/$basearch/os/ gpgcheck=1 enabled=1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-centosofficia --- vim /etc/yum.repos.d/CentOS-Extras.repo [extras] 3.5 关闭selinux firewalld setenforce 0……
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