Re: [Ltsp-discuss] LTSP with Raspberry Pi as thin client

2014-09-14 Thread Floris Bos
On 09/14/2014 11:32 PM, Paweł Ptasznik wrote:
> Many thanks to all who have replied to my question. I have finally 
> managed to set up RPi as a thin client, it works quite smoothly.

Good to hear you managed to get it to work.

> I have followed the tutorial written by Harry Lavender 
> (http://www.uzerp.com/blog/running-raspberry-pis-as-thin-clients-with-ubuntu-14-04-lts/),
>  
> but with ubuntu-12.04.5-server-amd64, as Floris Bos suggested.
>

Tutorial looks a bit more complicated than strictly necessary though.
If you have:

- a server that matches the recommend configuration (in particular it 
has two network ports, one goes to Internet, one goes to the Ethernet 
switch the clients are on)
- an Edubuntu 12.04 DVD

Server setup is a matter of ticking the "install LTSP" box during 
installation.

http://www.berryterminal.com/doku.php/setting_up_edubuntu_as_ltsp_server


And client setup is a matter of extracting berryterminal.zip to an empty 
SD card, and sticking it in the Pi.


Yours sincerely,

Floris Bos

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Re: [Ltsp-discuss] LTSP with Raspberry Pi as thin client

2014-09-14 Thread Paweł Ptasznik
Many thanks to all who have replied to my question. I have finally managed
to set up RPi as a thin client, it works quite smoothly. I have followed
the tutorial written by Harry Lavender (
http://www.uzerp.com/blog/running-raspberry-pis-as-thin-clients-with-ubuntu-14-04-lts/),
but with ubuntu-12.04.5-server-amd64, as Floris Bos suggested.


Best regards
Paweł Ptasznik

2014-09-13 12:37 GMT+02:00 Paweł Ptasznik :

> Ops, yes indeed, I have actually used Edubuntu 14. I am downloading Ubuntu
> 12 right now and will follow the tutorial steps. Thank you for your answer.
>
> 2014-09-13 2:19 GMT+02:00 Floris Bos :
>
>> > I am unable to run RPi as a thin client.
>> > The only thing I accomplished so far is installing Edubuntu 12 on VmWare
>> > along with LTSP and connect to it using Berryterminal on RPi. However, X
>> > session does not start, I am only able to run so called FailSafeTerminal
>> > (probably because there is no armhf chroot on server).
>>
>> Are you sure you were running 12 and not 14?
>> There is a bug in (Ed)Ubuntu 14 that indeed will give you a blank screen
>> after logging in with Berryterminal to a GNOME session.
>>
>> https://bugs.launchpad.net/ubuntu/+source/gnome-session/+bug/1251281
>> "gnome-session-flashback fails to start without hardware acceleration in
>> cloud/remote environments (Forwarded-X/XRDP/VNC/NX/X2GO/Chromoting)"
>>
>>
>> 12 should work without problems though.
>> And 14 does work if you use a non-GNOME session ("sudo apt-get install
>> lxde")
>>
>>
>> Yours sincerely,
>>
>> Floris Bos
>>
>>
>>
>> --
>> Want excitement?
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>> _
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>>   https://lists.sourceforge.net/lists/listinfo/ltsp-discuss
>> For additional LTSP help,   try #ltsp channel on irc.freenode.net
>>
>
>
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Re: [Ltsp-discuss] LTSP with Raspberry Pi as thin client

2014-09-13 Thread Paweł Ptasznik
Ops, yes indeed, I have actually used Edubuntu 14. I am downloading Ubuntu
12 right now and will follow the tutorial steps. Thank you for your answer.

2014-09-13 2:19 GMT+02:00 Floris Bos :

> > I am unable to run RPi as a thin client.
> > The only thing I accomplished so far is installing Edubuntu 12 on VmWare
> > along with LTSP and connect to it using Berryterminal on RPi. However, X
> > session does not start, I am only able to run so called FailSafeTerminal
> > (probably because there is no armhf chroot on server).
>
> Are you sure you were running 12 and not 14?
> There is a bug in (Ed)Ubuntu 14 that indeed will give you a blank screen
> after logging in with Berryterminal to a GNOME session.
>
> https://bugs.launchpad.net/ubuntu/+source/gnome-session/+bug/1251281
> "gnome-session-flashback fails to start without hardware acceleration in
> cloud/remote environments (Forwarded-X/XRDP/VNC/NX/X2GO/Chromoting)"
>
>
> 12 should work without problems though.
> And 14 does work if you use a non-GNOME session ("sudo apt-get install
> lxde")
>
>
> Yours sincerely,
>
> Floris Bos
>
>
>
> --
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>
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Re: [Ltsp-discuss] LTSP with Raspberry Pi as thin client

2014-09-12 Thread Floris Bos
> I am unable to run RPi as a thin client.
> The only thing I accomplished so far is installing Edubuntu 12 on VmWare
> along with LTSP and connect to it using Berryterminal on RPi. However, X
> session does not start, I am only able to run so called FailSafeTerminal
> (probably because there is no armhf chroot on server).

Are you sure you were running 12 and not 14?
There is a bug in (Ed)Ubuntu 14 that indeed will give you a blank screen 
after logging in with Berryterminal to a GNOME session.

https://bugs.launchpad.net/ubuntu/+source/gnome-session/+bug/1251281
"gnome-session-flashback fails to start without hardware acceleration in 
cloud/remote environments (Forwarded-X/XRDP/VNC/NX/X2GO/Chromoting)"


12 should work without problems though.
And 14 does work if you use a non-GNOME session ("sudo apt-get install 
lxde")


Yours sincerely,

Floris Bos


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Re: [Ltsp-discuss] LTSP with Raspberry Pi as thin client

2014-09-12 Thread Steve Ligett
Regarding available inexpensive x86 clients as an alternative to trying the
RPi, I bought used HP dc7900 USDT's (ultra small desktop) for our lab via
Ebay. It may not be a universal solution, but given that we had monitors,
keyboards, and mice, it worked for us. These generally have Core 2 Duo
processors. Many sell without hard drives, which is perfect for an LTSP
installation. Make sure to get power adapters. We spent about $80 each, as
I recall. (I see them for $67.50 now.)

They are a nice size, and use a lot less power than the P4 clients we had.

steve
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Re: [Ltsp-discuss] LTSP with Raspberry Pi as thin client

2014-09-10 Thread Paweł Ptasznik
This looks like a good solution. There are several steps, which I did not
perform yet. Thank you, I will try it on weekend, as on Thursday and Friday
I am virtually out of home.

Best regards
Paweł Ptasznik

2014-09-10 15:23 GMT+02:00 Harry Lavender 
:

> Hello,
>
> I recently wrote a guide on how to install LTSP and BerryTerminal from
> scratch, meaning you can use the Pi as a fully functioning thin client:
>
> http://www.uzerp.com/blog/running-raspberry-pis-as-thin-clients-with-ubuntu-14-04-lts/
>
> This version doesn't use raspbian, unlike LTSP-Pi.
>
>
> Thanks,
>
>
> Harry Lavender
> On 09/09/14 05:24, Ben Green wrote:
> > Quoting James Linder :
> >
> >> I do. It’s easy. It works well.
> >> RPi as a stand alone machine running X on the ltsp server. All the
> >> heavy lifting is done on the ltsp server and frankly once it works
> >> why ever bother to upgrade the RPi. IE LTSP with the server doing
> >> the X but not the boot-run bit.
> >> James
> > We've found them to make very slow clients. The one thing, IMHO, that
> > would make them worthwhile as clients would be a method of booting
> > which supports the new VC4 gallium3d based driver. This won't appear
> > until the 3.18 kernel at the earliest.
> >
> > Cheers,
> > Ben
> >
> >
> >
> --
> > Want excitement?
> > Manually upgrade your production database.
> > When you want reliability, choose Perforce.
> > Perforce version control. Predictably reliable.
> >
> http://pubads.g.doubleclick.net/gampad/clk?id=157508191&iu=/4140/ostg.clktrk
> > _
> > Ltsp-discuss mailing list.   To un-subscribe, or change prefs, goto:
> >https://lists.sourceforge.net/lists/listinfo/ltsp-discuss
> > For additional LTSP help,   try #ltsp channel on irc.freenode.net
>
> --
> Regards
>
> Harry Lavender
> System Administrator
> Severn Delta Limited
> DDI 01278 726278
> Tel 01278 428200
> Fax 01278 458766
>
> Showground Road,
> Bridgwater,
> Somerset TA6 6AJ
> Company Number 4269451
> VAT Registration GB793728185
>
>
>
> --
> Want excitement?
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> _
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>
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Re: [Ltsp-discuss] LTSP with Raspberry Pi as thin client

2014-09-10 Thread Harry Lavender
Hello,

I recently wrote a guide on how to install LTSP and BerryTerminal from 
scratch, meaning you can use the Pi as a fully functioning thin client: 
http://www.uzerp.com/blog/running-raspberry-pis-as-thin-clients-with-ubuntu-14-04-lts/

This version doesn't use raspbian, unlike LTSP-Pi.


Thanks,


Harry Lavender
On 09/09/14 05:24, Ben Green wrote:
> Quoting James Linder :
>
>> I do. It’s easy. It works well.
>> RPi as a stand alone machine running X on the ltsp server. All the
>> heavy lifting is done on the ltsp server and frankly once it works
>> why ever bother to upgrade the RPi. IE LTSP with the server doing
>> the X but not the boot-run bit.
>> James
> We've found them to make very slow clients. The one thing, IMHO, that
> would make them worthwhile as clients would be a method of booting
> which supports the new VC4 gallium3d based driver. This won't appear
> until the 3.18 kernel at the earliest.
>
> Cheers,
> Ben
>
>
> --
> Want excitement?
> Manually upgrade your production database.
> When you want reliability, choose Perforce.
> Perforce version control. Predictably reliable.
> http://pubads.g.doubleclick.net/gampad/clk?id=157508191&iu=/4140/ostg.clktrk
> _
> Ltsp-discuss mailing list.   To un-subscribe, or change prefs, goto:
>https://lists.sourceforge.net/lists/listinfo/ltsp-discuss
> For additional LTSP help,   try #ltsp channel on irc.freenode.net

-- 
Regards

Harry Lavender
System Administrator
Severn Delta Limited
DDI 01278 726278
Tel 01278 428200
Fax 01278 458766

Showground Road,
Bridgwater,
Somerset TA6 6AJ
Company Number 4269451
VAT Registration GB793728185


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Re: [Ltsp-discuss] LTSP with Raspberry Pi as thin client

2014-09-08 Thread Ben Green
Quoting James Linder :

> I do. It’s easy. It works well.
> RPi as a stand alone machine running X on the ltsp server. All the  
> heavy lifting is done on the ltsp server and frankly once it works  
> why ever bother to upgrade the RPi. IE LTSP with the server doing  
> the X but not the boot-run bit.
> James

We've found them to make very slow clients. The one thing, IMHO, that  
would make them worthwhile as clients would be a method of booting  
which supports the new VC4 gallium3d based driver. This won't appear  
until the 3.18 kernel at the earliest.

Cheers,
Ben


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Re: [Ltsp-discuss] LTSP with Raspberry Pi as thin client

2014-09-08 Thread James Linder

On 8 Sep 2014, at 11:46 pm, ltsp-discuss-requ...@lists.sourceforge.net wrote:

> 
> Yeah, thank you for your answer, but the project you have referred to
> considers RPi as Fat clients. Actually, I have played a bit with @gbaman's
> project and I have to admit that it works. Nonetheless, RPi Fat clients are
> extremely slow, because all the operations are calculated on target. What I
> need is RPi as a Thin client. I will loose an opportunity to access GPIO,
> but I will gain speed, for all the calculations will be performed on server
> side.
> 
> Best Regards
> Pawe? Ptasznik
> 
> 2014-09-08 13:29 GMT+02:00 :
> 
>> Mark Ellse m...@chasegrammar.com kirjoitti 2014-09-08 11:55:
>> 
>>> For me, running LTSP extensively in a school, a small robust thin
>>> client like RPi, running reliably with Edubuntu would be a dream
>>> situation.
>>> 
>>> Mark Ellse
>> 
>> I think, the answer is here: http://pi.gbaman.info/?p=256
>> 
>> "A full 34 page userguide detailing all steps and troubleshooting help":
>> 
>> http://pi.gbaman.info/wp-content/uploads/2014/05/small_Userguide-pi-ltsp-full-size.pdf

I do. It’s easy. It works well.
RPi as a stand alone machine running X on the ltsp server. All the heavy 
lifting is done on the ltsp server and frankly once it works why ever bother to 
upgrade the RPi. IE LTSP with the server doing the X but not the boot-run bit.
James
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Re: [Ltsp-discuss] LTSP with Raspberry Pi as thin client

2014-09-08 Thread Paweł Ptasznik
@Asmo
Thanks, this looks like a walkaround to my problem, but maybe I will use
remoteapps.

@Vagrant
Well, my feeling exactly. I think I would rather get some x86 terminal
dedicated to this kind of operations. However, I found very few terminals
available on market, all of them extremely expensive (for example
http://www.disklessworkstations.com/1700-series-thin-clients.html#buy - for
this price I can build a standalone PC, not just a terminal). If someone
know where to buy some good and relatively cheap x86 terminals, please let
me know.

Kind regards
Paweł Ptasznik


2014-09-08 17:41 GMT+02:00 Vagrant Cascadian :

>
> setting in lts.conf:
>
>   LTSP_FATCLIENT=false
>
> Will turn those fat clients into thin clients. You'll want ldm-server
> installed on your server.
>
> I didn't find the RPI useful as a general purpose fat client or as a
> general purpose thin client, personally. It's hard to imagine the extra
> time spent working with the RPI costing less than getting hardware
> better fit for the task...
>
>
> live well,
>   vagrant
>
>
> --
> Want excitement?
> Manually upgrade your production database.
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>
> http://pubads.g.doubleclick.net/gampad/clk?id=157508191&iu=/4140/ostg.clktrk
> _
> Ltsp-discuss mailing list.   To un-subscribe, or change prefs, goto:
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>
>
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Re: [Ltsp-discuss] LTSP with Raspberry Pi as thin client

2014-09-08 Thread Vagrant Cascadian
On 2014-09-08 08:41:15 -0500, Paweł Ptasznik wrote:
> Yeah, thank you for your answer, but the project you have referred to
> considers RPi as Fat clients. Actually, I have played a bit with @gbaman's
> project and I have to admit that it works. Nonetheless, RPi Fat clients are
> extremely slow, because all the operations are calculated on target. What I
> need is RPi as a Thin client. I will loose an opportunity to access GPIO,
> but I will gain speed, for all the calculations will be performed on server
> side.

setting in lts.conf:

  LTSP_FATCLIENT=false

Will turn those fat clients into thin clients. You'll want ldm-server
installed on your server.

I didn't find the RPI useful as a general purpose fat client or as a
general purpose thin client, personally. It's hard to imagine the extra
time spent working with the RPI costing less than getting hardware
better fit for the task...


live well,
  vagrant


pgpGFUL4Rx_ai.pgp
Description: PGP signature
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Re: [Ltsp-discuss] LTSP with Raspberry Pi as thin client

2014-09-08 Thread asmo . koskinen
Paweł Ptasznik kirjoitti 2014-09-08 16:41:

> Yeah, thank you for your answer, but the project you have referred to
> considers RPi as Fat clients. Actually, I have played a bit with
> @gbaman's project and I have to admit that it works. Nonetheless, RPi
> Fat clients are extremely slow, because all the operations are
> calculated on target. What I need is RPi as a Thin client. I will
> loose an opportunity to access GPIO, but I will gain speed, for all
> the calculations will be performed on server side.
> 
> Best Regards
> Paweł Ptasznik


I think there is no other project for that than BerryTerminal and it is 
not (very) active: http://www.berryterminal.com/doku.php

What you need? Just more power for browser and wordprocessor? Why not 
ltsp_remoteapps with Raspi-LTSP: 
http://manpages.ubuntu.com/manpages/trusty/man1/ltsp-remoteapps.1.html

Best Regards Asmo Koskinen.


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Re: [Ltsp-discuss] LTSP with Raspberry Pi as thin client

2014-09-08 Thread Paweł Ptasznik
Yeah, thank you for your answer, but the project you have referred to
considers RPi as Fat clients. Actually, I have played a bit with @gbaman's
project and I have to admit that it works. Nonetheless, RPi Fat clients are
extremely slow, because all the operations are calculated on target. What I
need is RPi as a Thin client. I will loose an opportunity to access GPIO,
but I will gain speed, for all the calculations will be performed on server
side.

Best Regards
Paweł Ptasznik

2014-09-08 13:29 GMT+02:00 :

> Mark Ellse m...@chasegrammar.com kirjoitti 2014-09-08 11:55:
>
> > For me, running LTSP extensively in a school, a small robust thin
> > client like RPi, running reliably with Edubuntu would be a dream
> > situation.
> >
> > Mark Ellse
>
> I think, the answer is here: http://pi.gbaman.info/?p=256
>
> "A full 34 page userguide detailing all steps and troubleshooting help":
>
> http://pi.gbaman.info/wp-content/uploads/2014/05/small_Userguide-pi-ltsp-full-size.pdf
>
> Best Regards Asmo Koskinen.
>
>
> --
> Want excitement?
> Manually upgrade your production database.
> When you want reliability, choose Perforce
> Perforce version control. Predictably reliable.
>
> http://pubads.g.doubleclick.net/gampad/clk?id=157508191&iu=/4140/ostg.clktrk
> _
> Ltsp-discuss mailing list.   To un-subscribe, or change prefs, goto:
>   https://lists.sourceforge.net/lists/listinfo/ltsp-discuss
> For additional LTSP help,   try #ltsp channel on irc.freenode.net
>
--
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Re: [Ltsp-discuss] LTSP with Raspberry Pi as thin client

2014-09-08 Thread asmo . koskinen
Mark Ellse m...@chasegrammar.com kirjoitti 2014-09-08 11:55:

> For me, running LTSP extensively in a school, a small robust thin
> client like RPi, running reliably with Edubuntu would be a dream
> situation.
> 
> Mark Ellse

I think, the answer is here: http://pi.gbaman.info/?p=256

"A full 34 page userguide detailing all steps and troubleshooting help":
http://pi.gbaman.info/wp-content/uploads/2014/05/small_Userguide-pi-ltsp-full-size.pdf

Best Regards Asmo Koskinen.

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Re: [Ltsp-discuss] LTSP with Raspberry Pi as thin client

2014-09-08 Thread Mark Ellse m...@chasegrammar.com
For me, running LTSP extensively in a school, a small robust thin client
like RPi, running reliably with Edubuntu would be a dream situation.

Mark Ellse

On 8 September 2014 09:37, Paweł Ptasznik  wrote:

> Hi,
>
> Please tell me, has anyone really succeeded in configuring RPi as an LTSP
> thin client? I have already read all sort of tutorials, discussions and
> reported problems (including
> http://cascadia.debian.net/~vagrant/rpi-ltsp-howto.txt) and I have tried
> to do as suggested. Unfortunately, I am unable to run RPi as a thin client.
> The only thing I accomplished so far is installing Edubuntu 12 on VmWare
> along with LTSP and connect to it using Berryterminal on RPi. However, X
> session does not start, I am only able to run so called FailSafeTerminal
> (probably because there is no armhf chroot on server).
>
> I have tried to crosscompile armhf client using ltsp-build-client script
> on Edubuntu 12, Ubuntu 14, Debian 7, as well as I have tried to do it on
> target RPi. In each case script throws big amount of errors. The moment I
> write some workaround for one, I need to face another. I do not post error
> logs here right now, because there is no use fixing them one by one.
>
> If somebody really have managed to configure RPi as a thin client, please
> tell me, how have you done it, with as much details as possible. I need
> this RPis for new classroom in primary school, this will allow me to spare
> a lot of public money, which in other case will have to be spent for
> expensiv x86 terminal.
>
> Kind regards
> Paweł Ptasznik
>
>
> --
> Want excitement?
> Manually upgrade your production database.
> When you want reliability, choose Perforce
> Perforce version control. Predictably reliable.
>
> http://pubads.g.doubleclick.net/gampad/clk?id=157508191&iu=/4140/ostg.clktrk
> _
> Ltsp-discuss mailing list.   To un-subscribe, or change prefs, goto:
>   https://lists.sourceforge.net/lists/listinfo/ltsp-discuss
> For additional LTSP help,   try #ltsp channel on irc.freenode.net
>
>


-- 

Chase Grammar School
*Mark Ellse, Principal, m...@chasegrammar.com *
Convent Close, Cannock, WS11 0UR, 01543 501800, formerly Chase Academy,
fax 01543 501801, Chase Grammar School Ltd, Registered in England No
01454970
Chase Grammar School is accredited to the Independent Schools Council and a
member of the Independent Schools Association.
--
Want excitement?
Manually upgrade your production database.
When you want reliability, choose Perforce
Perforce version control. Predictably reliable.
http://pubads.g.doubleclick.net/gampad/clk?id=157508191&iu=/4140/ostg.clktrk_
Ltsp-discuss mailing list.   To un-subscribe, or change prefs, goto:
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[Ltsp-discuss] LTSP with Raspberry Pi as thin client

2014-09-08 Thread Paweł Ptasznik
Hi,

Please tell me, has anyone really succeeded in configuring RPi as an LTSP
thin client? I have already read all sort of tutorials, discussions and
reported problems (including
http://cascadia.debian.net/~vagrant/rpi-ltsp-howto.txt) and I have tried to
do as suggested. Unfortunately, I am unable to run RPi as a thin client.
The only thing I accomplished so far is installing Edubuntu 12 on VmWare
along with LTSP and connect to it using Berryterminal on RPi. However, X
session does not start, I am only able to run so called FailSafeTerminal
(probably because there is no armhf chroot on server).

I have tried to crosscompile armhf client using ltsp-build-client script on
Edubuntu 12, Ubuntu 14, Debian 7, as well as I have tried to do it on
target RPi. In each case script throws big amount of errors. The moment I
write some workaround for one, I need to face another. I do not post error
logs here right now, because there is no use fixing them one by one.

If somebody really have managed to configure RPi as a thin client, please
tell me, how have you done it, with as much details as possible. I need
this RPis for new classroom in primary school, this will allow me to spare
a lot of public money, which in other case will have to be spent for
expensiv x86 terminal.

Kind regards
Paweł Ptasznik
--
Want excitement?
Manually upgrade your production database.
When you want reliability, choose Perforce
Perforce version control. Predictably reliable.
http://pubads.g.doubleclick.net/gampad/clk?id=157508191&iu=/4140/ostg.clktrk_
Ltsp-discuss mailing list.   To un-subscribe, or change prefs, goto:
  https://lists.sourceforge.net/lists/listinfo/ltsp-discuss
For additional LTSP help,   try #ltsp channel on irc.freenode.net