在linux上如果yum命令不好用,可能是dns未设置
设置dns
1、修改 /etc/NetworkManager/NetworkManager.conf 文件,在main部分添加 “dns=none” 选项:
vi /etc/NetworkManager/NetworkManager.conf
[main]
plugins=ifcfg-rh
dns=none
2、NetworkManager重新装载上面修改的配置
systemctl restart NetworkManager.service
3、手工修改 /etc/resolv.conf
vi /etc/resolv.conf
nameserver 114.114.114.114
nameserver 8.8.8.8