Ubuntu 使用git clone 报错 Could not resolve host: github.com; Unknown error

搭建论坛git clone https://github.com/discourse/discourse_docker.git /var/discourse遇到错误

解决方案:

vim /etc/resolv.conf
将 nameserver 127.0.0.* 改为 nameserver 8.8.8.8
nameserver 8.8.8.8
options timeout:1 rotate ndots:0

即可正常 git clone