# 添加Docker仓库
yum install -y yum-utils
yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
2025年07月05日
# 添加Docker仓库
yum install -y yum-utils
yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
2025年07月05日
编辑 /etc/resolv.conf 文件(需 root 权限,比如 vim /etc/resolv.conf ),添加公共 DNS ,比如阿里 DNS:nameserver 223.5.5.5
nameserver 223.6.6.6 备份原镜像源配置:mkdir /etc/yum.repos.d/bak
mv /etc/yum.repos.d/CentOS-* /etc/yum.repos.d/bak/ 下载新的镜像源配置(以阿里 CentOS 7 镜像为例 ):wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo 清除缓存并生成新缓存:yum clean all
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