阿里 YUM 地址
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mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo 或者 curl http://mirrors.aliyun.com/repo/Centos-7.repo > /etc/yum.repos.d/centos.repo sudo yum clean all sudo yum makecache 测试 yum -y install zip