I'm having trouble with Fabric not recognizing hosts that I have in ~/.ssh/config. My fabfile.py is as follows: from fabric.api import run, env env.hosts = ['lulu'] def whoami(): run('whoami') Running $ fab whoami gives: [lulu] run: whoami Fatal error: Name lookup failed for lulu The name lulu is in my ~/.ssh/config, like this: Host lulu hostname 192.168.100.100 port 2100 IdentityFile ~/.ssh/lulu-