Ian,
Thats an interesting project you have in mind. We have an OptIPortal here at UQ
and we used to run it with Rocks and CGLX a few years ago - now using SAGE
pretty much all the time. In fact I visited CALIT2 on your campus at that time
and met Joe OKeefe, Larry and lots of others. Around that time Larry also
visited here and I did a mini tour with him to Canberra where he did an opening
event for ANU's OptIPortal, as well as a big event for politicians etc. to
promote a national optical fibre broadband scheme. Larry was the guest speaker
and also gave a demo of the OptIPortal. For that event, we used CGLX running in
Rocks on a "portable" 5x3 OptIPortal (belonging to AARNet but built here in our
lab). At that time, moving the OptIportal onto a different network wasn't
really supported and I still recall the slight panic of having to reinstall
_everything_ about 2 hours before the event was supposed to start. It all went
well in the end ...
Anyway, because we're also AG enthusiasts here, I gave a fair bit of thought
about how to integrate AG with CGLX but it never came to anything. We've had
more success with AG and SAGE. SInce SAGE is based largely on streaming, we
just run the AG VenueClient anywhere (not on the cluster itself) and stream the
desktop of that machine to the OptIPortal. Its a real network hog for a large
desktop (or 3x desktops as equivalent of a projected display system) but we
have an internal 10G network for that and in works pretty well in that
environment.
The issue with twisted on Ubuntu is complicated by its dependence on particular
python versions and by the dependence of various desktop tools & apps on both
python and twisted - we'd have to supply so many different replacement versions
of apps, it would almost be like respinning a new distribution. However I think
just about all of the VenueClient functionality is available the way things are
- the problem (from memory) is with the Venue Server; if you don't need to run
the server, then you're probably OK. One thing I hadn't thought about, is
whether twisted/python changes might be more doable on the Ubuntu server
release (rather than the desktop release which we use as base right now) - the
dependency considerations would probably be a lot less fraught in the server
distribution. I'll be looking at making packages for 12.04 fairly soon, so at
the same time I'll look at how a server based version could work too.
Let me know if you make any progress in the meantime - we've been interested in
both AG and OptIPortals for quite a while.
chris
On 11/04/2013, at 3:34 AM, Ian Kaufman <ikauf...@eng.ucsd.edu> wrote:
> Hi all,
>
> Long time, no post :) I used to be involved in the community a few years back
> when I was at LBNL/NERSC from 2000 - 2006, being the POC for NERSC's
> "portable in the military sense" AGN.
>
> I have since taken a position aty the Jacobs School of Engineering at UC San
> Diego, and got involved in ROCKS, CGLX and OptIPortals. I have also been
> playing with such tools as Perceus and Warewulf, and building up stateless
> clusters that run in RAM. I am now interested in seeing whether or not I can
> get the AG software to run on a multi-tiled display I manage, running CGLX,
> using Perceus 1.6 and Ubuntu 12.04 with the 3.5 kernel.
>
> So, my questions are - has AG software been tested with CGLX, and, based on
> earlier research into it, has Ubuntu support improved.(i.e. has the
> incompatible version of Twisted in Ubuntu 12.04 been resolved)?
>
> Thanks,
>
> Ian
>
> --
> Ian Kaufman
> Research Systems Administrator
> UC San Diego, Jacobs School of Engineering ikaufman AT ucsd DOT edu
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