root@ubuntu:/home/ubuntu# apt-get update
Err http://archive.ubuntu.com trusty InRelease

Err http://archive.ubuntu.com trusty Release.gpg
  Could not resolve 'http'
Err http://extras.ubuntu.com trusty InRelease

Err http://extras.ubuntu.com trusty Release.gpg
  Could not resolve 'http'
Err http://archive.canonical.com trusty InRelease

Err http://archive.canonical.com trusty Release.gpg
  Could not resolve 'http'
Reading package lists... Done
W: Failed to fetch http://archive.canonical.com/ubuntu/dists/trusty/InRelease

W: Failed to fetch http://extras.ubuntu.com/ubuntu/dists/trusty/InRelease

W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/trusty/InRelease

W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/trusty/Release.gpg  Could not resolve 'http'

W: Failed to fetch http://extras.ubuntu.com/ubuntu/dists/trusty/Release.gpg  Could not resolve 'http'

W: Failed to fetch http://archive.canonical.com/ubuntu/dists/trusty/Release.gpg  Could not resolve 'http'

W: Some index files failed to download. They have been ignored, or old ones used instead.