yum -- Failed connect to mirrors.aliyuncs.com:80; No route to host

yum在配置完阿里的地址后出现 Failed connect to mirrors.aliyuncs.com:80; No route to host

解决方法

方法一

# vi /etc/resolv.conf
 
# Generated by NetworkManager
nameserver 8.8.8.8
nameserver 114.114.114.114

方法二

curl -o /etc/yum.repos.d/xxxx.repo http://mirrors.aliyun.com/repo/Centos-7.repo