Short version of my question:
What is supposed to happen when different users simultaneously invoke
./sage -notebook for the same installation of Sage?
Long version:
I have a small research group this summer, consisting of myself and two
undergraduate students. We don't need to engage in full-on development
of Sage (yet?) but we would like to use some packages which aren't
included in the standard build of Sage. Our campus is primarily a
Windows campus, but I have scrounged accounts for us on a research
cluster running CentOS. This is not my system, and in particular I'm
pretty sure I can't turn it into a full-fledged notebook server.
I installed Sage in my personal directory, and set the permissions so
that the two other members of my research group can also run my copy of
Sage. I ran ./sage -notebook , and created an admin account and a
personal account on that version of the notebook.
Meanwhile, one of my students logged in, also ran ./sage -notebook , and
was prompted to create his own admin account. He did so, but although
he was able to see the notebook, the admin password didn't work. He
tried resetting the admin password, but still was not able to log in. I
was able to load his version of the notebook and test my own admin
password, which also didn't work.
This all leads to two questions, at different levels of complexity:
1) Any idea what is going wrong with my student's admin password? What
trouble-shooting steps should we try?
2) Is there a way to ensure that every invocation of ./sage -notebook
yields the *same* notebook server, so that we could just create one
admin account and three user accounts? Or would that only work if I
left my version of the notebook running? (This seems as if it could
create a security breach, but maybe I am fretting unnecessarily, or
there are extra layers of security we could apply.)
UAW
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