centos CentOS Python3虚拟环境配置指南

    # 备份原yum源
    mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup
    # 下载阿里云的repo
    wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
    # 清理缓存
    sudo yum clean all
    # 生成新的缓存
    sudo yum makecache
    
    
      
      
      
      
      
      
      
      
    

    sudo yum -y update
    # 一组扩展和补充yum的实用程序和插件
    sudo yum -y install yum-utils
    # 安装CentOS开发工具
    sudo yum -y groupinstall development