HABUILD_SDK [d855] sailfish@debian:~$ sudo apt-get install liblz4-tool
sudo: unable to resolve host debian
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following extra packages will be installed:
  liblz4-1
The following NEW packages will be installed:
  liblz4-1 liblz4-tool
0 upgraded, 2 newly installed, 0 to remove and 0 not upgraded.
Need to get 49.1 kB of archives.
After this operation, 243 kB of additional disk space will be used.
Do you want to continue? [Y/n]
Err http://archive.ubuntu.com/ubuntu/ trusty/universe liblz4-1 amd64 0.0~r114-2ubuntu1
  Could not resolve 'archive.ubuntu.com'
Err http://archive.ubuntu.com/ubuntu/ trusty/universe liblz4-tool amd64 0.0~r114-2ubuntu1
  Could not resolve 'archive.ubuntu.com'
E: Failed to fetch http://archive.ubuntu.com/ubuntu/pool/universe/l/lz4/liblz4-1_0.0~r114-2ubuntu1_amd64.deb  Could not resolve 'archive.ubuntu.com'

E: Failed to fetch http://archive.ubuntu.com/ubuntu/pool/universe/l/lz4/liblz4-tool_0.0~r114-2ubuntu1_amd64.deb  Could not resolve 'archive.ubuntu.com'

E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?
HABUILD_SDK [d855] sailfish@debian:~$