Temporary failure in name resolution

  File "/usr/local/lib/python2.7/dist-packages/pip-9.0.1-py2.7.egg/pip/_vendor/cachecontrol/adapter.py", line 47, in send
    resp = super(CacheControlAdapter, self).send(request, **kw)
  File "/usr/local/lib/python2.7/dist-packages/pip-9.0.1-py2.7.egg/pip/_vendor/requests/adapters.py", line 487, in send
    raise ConnectionError(e, request=request)
ConnectionError: HTTPSConnectionPool(host='storage.googleapis.com', port=443): Max retries exceeded with url: /tensorflow/linux/cpu/tensorflow-0.6.0-cp27-none-linux_x86_64.whl (Caused by NewConnectionError('<pip._vendor.requests.packages.urllib3.connection.VerifiedHTTPSConnection
object at 0x7fad69fda310>: Failed to establish a new connection: [Errno -3] Temporary failure in name resolution',))

DNS配置错误 

sudo gedit /etc/resolv.conf 

# Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)

#     DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN

nameserver 127.0.1.1
nameserver 8.8.8.8
nameserver 8.8.4.4