# yum update openssh -y
Could not retrieve mirrorlist http://mirrorlist.centos.org/?release=7&arch=x86_64&repo=os&infra=stock error was
14: curl#6 - "Could not resolve host: mirrorlist.centos.org; 未知的错误"
解决方法
- # vim /etc/resolv.conf
- // 修改如下，添加DNS
- nameserver 8.8.8.8 （或114.114.114.114）
- search localdomain
- 修改之后，重启网络
- service network restart