Centos7 更换阿里源和腾讯源

• 备份
  1. 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/         
  1. 阿里云
     
  2. centos-6
     
  3. curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-6.repo
     
  4. centos-7
     
  5. curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
     
  6. 腾讯云
     
  7. 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      

  1. yum clean all
     
  2. yum makecache
     
  3. yum list updates
     
  4. yum -y update（更新内核）
     
  5. 或
     
  6. yum -y upgrade（不更新内核）
     

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

  复制代码
  
  
• 下载新的CentOS-Base.repo 到/etc/yum.repos.d/         
  1. 阿里云
     
  2. centos-6
     
  3. curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-6.repo
     
  4. centos-7
     
  5. curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
     
  6. 腾讯云
     
  7. 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      

  1. yum clean all
     
  2. yum makecache
     
  3. yum list updates
     
  4. yum -y update（更新内核）
     
  5. 或
     
  6. yum -y upgrade（不更新内核）
     

  复制代码