更新源 安装好系统后,先更新源,方便后面能比较快地下载各种软件包. 备份/etc/apt/sources.list,然后将内容全部替代为: # deb cdrom:[Ubuntu 16.04 LTS _Xenial Xerus_ - Release amd64 (20160420.1)]/ xenial main restricted # See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to # newer
一.简介 安装Redhat7并配置了网卡之后,虽然可以直接ping www.baidu.com,但是执行yum install的命令时提示如下信息: [root@ansible ~]# yum install -y vim Loaded plugins: langpacks, product-id, search-disabled-repos, subscription-manager This system is not registered with an entitlement serve