fatal: unable to access 'https://github.com/gmarik/Vundle.vim.git/': Could not resolve host: github.

fatal: unable to access ‘https://github.com/gmarik/Vundle.vim.git/‘: Could not resolve host: github.com

vim /etc/resolv.conf

增加

nameserver 8.8.8.8

或者

nameserver 114.114.114.114

即可