云服务器 Centos7 更换阿里源和腾讯源

time

备份

mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup

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下载新的CentOS-Base.repo 到/etc/yum.repos.d/

阿里云

centos-6

curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-6.repo

centos-7

curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo

腾讯云

wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.cloud.tencent.com/repo/centos7_base.repo

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生成缓存并更新系统

yum clean all

yum makecache

yum list updates

yum -y update(更新内核)

或

yum -y upgrade(不更新内核)

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