[Server-devel] slim PC

2009-03-15 Thread Sameer Verma
I haven't looked at the specs closely, but someone at our meeting
today brought this up.
http://www.amazon.com/fit-PC-Slim-Linux/dp/tech-data/B001L18ED2/ref=de_a_smtd
Any ideas? Has anyone tried it as as school server?

Sameer
-- 
Dr. Sameer Verma, Ph.D.
Associate Professor of Information Systems
San Francisco State University
San Francisco CA 94132 USA
http://verma.sfsu.edu/
http://opensource.sfsu.edu/
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Re: [Server-devel] Almost-released: XS-0.5.2 -

2009-03-15 Thread Sameer Verma
On Thu, Mar 12, 2009 at 10:02 AM, Sameer Verma sve...@sfsu.edu wrote:
 On Thu, Mar 12, 2009 at 2:45 AM, Martin Langhoff
 martin.langh...@gmail.com wrote:
 On Wed, Mar 11, 2009 at 7:46 PM, Sameer Verma sve...@sfsu.edu wrote:
 Installs correctly on my Fujitsu P2120 laptop this time around! None
 of the failure with yum, etc. Will test some more and write back.

 :-)

 Was built with a patched anaconda, thinking of your laptop. And of
 Jerry installing on XO too ;-)


 Thank you!

 I've tested it with four XOs at home, but will test it with a bunch
 more at the OLPC-SF Saturday meeting.
 http://opensource.sfsu.edu/node/619

 Sameer

 --

So, today we ran our meeting with XS 0.5.2 via one AA and it supported
20+ XOs easily. No crashes. No lockups. Way better than 0.4 We ran
collabs for chat, write and a few other activities. All users were
able to get to the Internet as well.

Looks like a winner!

cheers,
Sameer
-- 
Dr. Sameer Verma, Ph.D.
Associate Professor of Information Systems
San Francisco State University
San Francisco CA 94132 USA
http://verma.sfsu.edu/
http://opensource.sfsu.edu/
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Re: [Server-devel] Almost-released: XS-0.5.2 -

2009-03-15 Thread Martin Langhoff
On Sun, Mar 15, 2009 at 7:16 PM, Sameer Verma sve...@sfsu.edu wrote:
 Looks like a winner!

Yay! And that was on your 586 laptop right?

- How much RAM?
- Did you use squid?

cheers,


m
-- 
 martin.langh...@gmail.com
 mar...@laptop.org -- School Server Architect
 - ask interesting questions
 - don't get distracted with shiny stuff  - working code first
 - http://wiki.laptop.org/go/User:Martinlanghoff
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Re: [Server-devel] Almost-released: XS-0.5.2 -

2009-03-15 Thread Sameer Verma
On Sat, Mar 14, 2009 at 11:46 PM, Martin Langhoff
martin.langh...@gmail.com wrote:
 On Sun, Mar 15, 2009 at 7:16 PM, Sameer Verma sve...@sfsu.edu wrote:
 Looks like a winner!

 Yay! And that was on your 586 laptop right?


Yes.

 - How much RAM?

384MB. Didn't get a chance to see usage.

 - Did you use squid?


Yes.

Sameer
-- 
Dr. Sameer Verma, Ph.D.
Associate Professor of Information Systems
San Francisco State University
San Francisco CA 94132 USA
http://verma.sfsu.edu/
http://opensource.sfsu.edu/
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Re: [Server-devel] Serving 400+ students w/ a single central XS - ejabberd nightmare?

2009-03-15 Thread Martin Langhoff
On Wed, Mar 11, 2009 at 5:54 PM, John Watlington w...@laptop.org wrote:
 If you aren't going to place school servers in the actual schools,
 and insist on
 centralizing them, the hardware recommended by Sameer is a good idea.

+1 -- also, Dev Moharty's suggestion is good: run one XS for each
school in your central location. If you have one big honking box, you
could virtualise things (but I don't particularly recommend it).

cheers,



m
-- 
 martin.langh...@gmail.com
 mar...@laptop.org -- School Server Architect
 - ask interesting questions
 - don't get distracted with shiny stuff  - working code first
 - http://wiki.laptop.org/go/User:Martinlanghoff
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Re: [Server-devel] notes on scaling ejabberd for the XO's

2009-03-15 Thread Martin Langhoff
On Wed, Mar 11, 2009 at 2:12 PM, Bryan Berry br...@olenepal.org wrote:
 Here are some notes from a short IRC conversation I had w/ Rob Mcqueen,
 the lead developer of Telepathy

Cool - thanks for posting it.

Client code for Gadget seems to be integrated in the Telepathy new
Sugar present on the SoaS images. The server side -- the proper gadget
code -- isn't on any XS, and I haven't seen or tested it (lack of time
:-( )

Even if I had, it's a ton of new code, a lot more adventurous than
what we're doing w moodle. So short/midterm, following ejabberd+moodle
is lower risk from the perspective of a deployment today.

OTOH, if you're feeling the experimental mood, the ejabberd we have
now on XS-0.5.2 is compatible with gadget. Go crazy ;-)

cheers,



m
-- 
 martin.langh...@gmail.com
 mar...@laptop.org -- School Server Architect
 - ask interesting questions
 - don't get distracted with shiny stuff  - working code first
 - http://wiki.laptop.org/go/User:Martinlanghoff
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Re: [Server-devel] slim PC

2009-03-15 Thread Martin Langhoff
On Sun, Mar 15, 2009 at 7:05 PM, Sameer Verma sve...@sfsu.edu wrote:
 I haven't looked at the specs closely, but someone at our meeting
 today brought this up.
 http://www.amazon.com/fit-PC-Slim-Linux/dp/tech-data/B001L18ED2/ref=de_a_smtd
 Any ideas? Has anyone tried it as as school server?

Get your hands on one and tell us how it goes ;-)

cheers,


m
-- 
 martin.langh...@gmail.com
 mar...@laptop.org -- School Server Architect
 - ask interesting questions
 - don't get distracted with shiny stuff  - working code first
 - http://wiki.laptop.org/go/User:Martinlanghoff
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Re: [Server-devel] slim PC

2009-03-15 Thread Sameer Verma
On Sat, Mar 14, 2009 at 11:05 PM, Sameer Verma sve...@sfsu.edu wrote:
 I haven't looked at the specs closely, but someone at our meeting
 today brought this up.
 http://www.amazon.com/fit-PC-Slim-Linux/dp/tech-data/B001L18ED2/ref=de_a_smtd
 Any ideas? Has anyone tried it as as school server?

 Sameer
 --

To add a context to this machine, the target in mind is a school in
Maroantsetra, Madagascar (http://en.wikipedia.org/wiki/Maroantsetra),
where we have a local group sending 12 XOs. Mesh under a tree is fine
for this setup, but they want to have a schoolserver, and this box
came up in the discussions.

The guy who will be taking this stuff with him is going to do so in
his luggage (http://thoreauscholar.org/student/scholars/golden.html),
so we are shooting for small boxes.

Amazon's page has no info on the processor, but I found more details
here (http://www.fit-pc.com/new/fit-pc-slim-specifications.html).

Hardware

CPU: AMD Geode LX800 500MHz
Chipset: AMD CS5536
Display: Integrated Geode LX display controller up to 1920x1440
Memory: 512MB DDR 333MHz soldered on-board
Hard disk: 2.5” IDE 60GB
Ports:
 RJ45 Ethernet port 100Mbps
 WLAN 802.11b/g 54Mbps
 3 x USB 2.0 HiSpeed 480Mbps
 mini RS-232 (RX/TX)
 VGA DB15
 Stereo line-out audio (headphones)
 Stereo line-in audio / Mic


Sameer
-- 
Dr. Sameer Verma, Ph.D.
Associate Professor of Information Systems
San Francisco State University
San Francisco CA 94132 USA
http://verma.sfsu.edu/
http://opensource.sfsu.edu/
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Re: [Server-devel] notes on scaling ejabberd for the XO's

2009-03-15 Thread Daniel Drake
2009/3/15 Martin Langhoff martin.langh...@gmail.com:
 Client code for Gadget seems to be integrated in the Telepathy new
 Sugar present on the SoaS images. The server side -- the proper gadget
 code -- isn't on any XS, and I haven't seen or tested it (lack of time
 :-( )

 Even if I had, it's a ton of new code, a lot more adventurous than
 what we're doing w moodle. So short/midterm, following ejabberd+moodle
 is lower risk from the perspective of a deployment today.

One thing I still don't understand about gadget... how does it
actually solve the problem? I'm assuming the problem it solves is lack
of partitioning, and the fact that the neighborhood view becomes kind
of impossible after 50 users, etc. Right?

So what does gadget do? Is there a new client side UI for electing
groups? Who chooses, the kids or the teachers? etc.

Daniel
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Re: [Server-devel] notes on scaling ejabberd for the XO's

2009-03-15 Thread Martin Langhoff
On Mon, Mar 16, 2009 at 11:30 AM, Daniel Drake d...@laptop.org wrote:
 So what does gadget do? Is there a new client side UI for electing
 groups?

Good question. I think that

 - Gadget actually extends XMPP, so there are new XMPP msgs on the
wire -- which means you need new code on the client side -
Telepathy-Gadget

 - Gadget itself (which is on the server side) remembers who you've
interacted with recently, so above a certain threshold it'll show
those on the Network View

 - If you use the search on the network view, it'll also run a search
against Gadget so new nodes may appear in the Network View (not just
the greying out of non-matches)

there are other changes as well, I think. Right now a shared activity
is - on XMPP - a 'chatroom'. With Telepathy-Gadget and a Gadget server
they are implemented as something custom and specific. I don't know
what extra tricks you can get out of that ;-)

OTOH, it stops being generic XMPP so it kind of binds you to
ejabberd+Gadget (maybe other XMPP servers are supported as well?). And
you can no longer interop with any random XMPP client.

cheers,



martin
-- 
 martin.langh...@gmail.com
 mar...@laptop.org -- School Server Architect
 - ask interesting questions
 - don't get distracted with shiny stuff  - working code first
 - http://wiki.laptop.org/go/User:Martinlanghoff
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