error was
14: PYCURL ERROR 6 - "Couldn't resolve host 'mirrorlist.centos.org'"
Error: Cannot find a valid baseurl for repo: base
可以尝试:
1、打开文件/etc/resolv.conf在其中添加:
nameserver 8.8.8.8
nameserver 8.8.4.4
search localdomain
2、然后重启网卡:使用命令: service network restart