The sage appliance wiki suggests editing the sage user .bash_profile as follows
"and replace the line
./sage -notebook interface=\'\' port=8000 open_viewer=False require_login=False
with
./sage -notebook interface=\'\' port=8000 open_viewer=False require_login=True secure=True
however the 5.6 appliance does not have thses lines but merely alias=sage-hg
Where do I alter the notebook launch to make the appliance launch for other users.
