安装CentOS7后,无法联网,用yum安装软件提示 cannot find a valid baseurl for repo:base/7/x86_64 的解决方法
2017-10-15 11:52
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无法联网的明显表现会有:
1、yum install出现 Error: cannot find a valid baseurl or repo:base 2、ping host会提示unknown host
方法一、
1、打开 vi /etc/sysconfig/network-scripts/ifcfg-eth0(每个机子都可能不一样,但格式会是“ifcfg-eth数字”),把ONBOOT=no,改为ONBOOT=yes
2、重启网络:service network restart
方法二、
1、打开 vi /etc/resolv.conf,增加 nameserver 223.5.5.5
2、重启网络: service network restart
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