Re: [Server-devel] e: Regarding my OLPC XS Wishlist (Abhishek Singh)

2011-06-09 Thread Sridhar Dhanapalan
On 8 June 2011 04:44, Sameer Verma sve...@sfsu.edu wrote:
 On Tue, Jun 7, 2011 at 3:40 AM, Martin Langhoff
 martin.langh...@gmail.com wrote:
 On Mon, Jun 6, 2011 at 12:30 PM, TONY ANDERSON tony_ander...@usa.net wrote:
 Meanwhile I have posted my version of the wish list as a wiki page:

 http://wiki.sugarlabs.org/go/School_Server_Wish_List

 Ntoe that people go to our wiki in search for documentation. That is
 your _personal_ wishlist. Please move it to a personal page.


 I really like where this discussion is going and the fact that we have
 two other XS related efforts in Nepal and Australia. Should we then
 make this a community wishlist that encompasses several wishes?

Perhaps, but it must be clear that this is an opinions page and is not official.

So far I have counted at least six school server types:

  * OLPC XS
  * XS-AU (Australia)
  * NEXS (Nepal)
  * Paraguay Educa server
  * Plan Ceibal server (Uruguay)
  * Sugar Server (Activity Central)

I am keen to have some consolidation, to avoid parallel development
and splintering of the community. I am open to discussion on how we
can achieve this.

Sridhar


Sridhar Dhanapalan
Technical Manager
One Laptop per Child Australia
M: +61 425 239 701
E: srid...@laptop.org.au
A: G.P.O. Box 731
 Sydney, NSW 2001
W: www.laptop.org.au
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Re: [Server-devel] [OLPC-AU] e: Regarding my OLPC XS Wishlist (Abhishek Singh)

2011-06-09 Thread Aleksey Lim
On Fri, Jun 10, 2011 at 12:24:45AM +1000, Sridhar Dhanapalan wrote:
 On 8 June 2011 04:44, Sameer Verma sve...@sfsu.edu wrote:
  On Tue, Jun 7, 2011 at 3:40 AM, Martin Langhoff
  martin.langh...@gmail.com wrote:
  On Mon, Jun 6, 2011 at 12:30 PM, TONY ANDERSON tony_ander...@usa.net 
  wrote:
  Meanwhile I have posted my version of the wish list as a wiki page:
 
  http://wiki.sugarlabs.org/go/School_Server_Wish_List
 
  Ntoe that people go to our wiki in search for documentation. That is
  your _personal_ wishlist. Please move it to a personal page.
 
 
  I really like where this discussion is going and the fact that we have
  two other XS related efforts in Nepal and Australia. Should we then
  make this a community wishlist that encompasses several wishes?
 
 Perhaps, but it must be clear that this is an opinions page and is not 
 official.
 
 So far I have counted at least six school server types:
 
   * OLPC XS
   * XS-AU (Australia)
   * NEXS (Nepal)
   * Paraguay Educa server
   * Plan Ceibal server (Uruguay)

   * Sugar Server (Activity Central)
One but critical change, it is:
* Sugar Server project (Sugar Labs)
* Dextrose Server, Sugar Server based, product (Activity Central)
(I'm composing an announce for Sugar Server launch)

 I am keen to have some consolidation, to avoid parallel development
 and splintering of the community. I am open to discussion on how we
 can achieve this.
 
 Sridhar
 
 
 Sridhar Dhanapalan
 Technical Manager
 One Laptop per Child Australia
 M: +61 425 239 701
 E: srid...@laptop.org.au
 A: G.P.O. Box 731
  Sydney, NSW 2001
 W: www.laptop.org.au
 ___
 OLPC-AU mailing list
 olpc...@lists.laptop.org
 http://lists.laptop.org/listinfo/olpc-au
 

-- 
Aleksey
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Re: [Server-devel] [OLPC-AU] e: Regarding my OLPC XS Wishlist (Abhishek Singh)

2011-06-09 Thread Sridhar Dhanapalan
On 10 June 2011 00:49, Aleksey Lim alsr...@activitycentral.org wrote:
 On Fri, Jun 10, 2011 at 12:24:45AM +1000, Sridhar Dhanapalan wrote:
 So far I have counted at least six school server types:

   * OLPC XS
   * XS-AU (Australia)
   * NEXS (Nepal)
   * Paraguay Educa server
   * Plan Ceibal server (Uruguay)

   * Sugar Server (Activity Central)
 One but critical change, it is:
    * Sugar Server project (Sugar Labs)
    * Dextrose Server, Sugar Server based, product (Activity Central)
 (I'm composing an announce for Sugar Server launch)

Okay, now I'm really confused :S

That makes seven school server types. I'm not convinced why there
should be more than one or two. I'm happy to co-operate with others to
make this happen, provided that our deployment needs are met.

Looking forward to the announcement.

Cheers,
Sridhar
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[Server-devel] OLPC Australia XS concerns

2011-06-09 Thread Sridhar Dhanapalan
I think my biggest technical concerns in XS-land are twofold:

  * we need the XS to behave well on an *existing* network (i.e.
single interface), without trying to be a gateway or duplicating core
network services (DNS, DHCP, etc.)
  * while other XS efforts are keen to add features, we want to be as
trim as possible

We started the XS-AU when it had become clear that XS development had
slowed. We could find no alternative that satisfied our needs, and I
felt it better to go our own way rather than complaining that the XS
didn't meet our particular use case (which seems to be quite different
from other deployments). It's been working very well, and it's quite
low-maintenance for us. We'll need a good reason to jump ship.

We've been working on a prototype XS Lite, which is essentially an
XS-AU with everything except ejabberd stripped away. Our deployments
are done at the classroom-level; a teacher receives XOs for the
children in their class once they have completed the necessary
training. We would like to provide a simple server with that
allocation of XOs. This means that the server needs to be low-cost and
easy to implement (plug-and-play). We are assuming that there is *no*
technical expertise available at the school.

The server doesn't have to be very capable. Anything that requires
registration won't work for us as the turnover of teachers and
students is too high. We don't need Moodle or anything similar, since
such services are already provided on the state education network.
Since it's based on the XS-AU, it can be 'upgraded' to a full XS with
some yum commands.

Given the modest requirements, I think an XO would be suitable
hardware. They are cheap and reliable, and we already have them in
stock. As a standalone collaboration server, the XO's WLAN can be the
AP. If we need to connect to the school network, we can use a
USB2Ethernet adapter. This will also allow the server to leverage the
other APs in the school. What's important is that we need to be
tolerant of multiple schoolservers on the network, potentially one per
class.


Sridhar


Sridhar Dhanapalan
Technical Manager
One Laptop per Child Australia
M: +61 425 239 701
E: srid...@laptop.org.au
A: G.P.O. Box 731
     Sydney, NSW 2001
W: www.laptop.org.au
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