IRC chat logs for #ltsp on irc.freenode.net (webchat)


Channel log from 25 March 2010   (all times are UTC)

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04:04
<alibaba>
alkisg: Hello, I was told you are an "gPXE guru". May I please you for a little help, please?
04:04
<alkisg>
Heh I was typing a gpxe script here!!!!
04:04
OK let me type it and go ahead
04:05
Here's a gpxe script that can be used to boot LTSP clients with an external, unmodifiable DHCP server:
04:05
dhcp net0
04:05
# Put the LTSP server IP in the following line
04:05
set next-server 10.160.31.10
04:05
kernel tftp://${next-server}/ltsp/i386/vmlinuz ro initrd=initrd.img nbdroot=${next-server}:2000
04:05
initrd tftp://${next-server}/ltsp/i386/initrd.img
04:05
boot vmlinuz
04:05
To use it, just go to http://rom-o-matic.net/gpxe/gpxe-1.0.0/contrib/rom-o-matic/build.php and put it in the [Embedded script] box.
04:06
alibaba: ok done, shoot!
04:06
(I was writing that to find it in the logs when I need it)
04:07
<alibaba>
alkisg: I have an very old AXUS TC200 series device I want to reuse. I got gPXE working, but I always must press Ctrl-B, wait on the prompt for ~10 seconds, then enter autoboot. Without that, it doesn't get DHCP working.
04:07
<alkisg>
Woah
04:07
Which gpxe version is that?
04:08
<alibaba>
Current one, I got it a few days ago from rom-o-matic, and with kindly help i could install it on a CF card.
04:08
<alkisg>
OK. First, I'd report the problem to #etherboot
04:08
Then I'd try the method that I said above,
04:09
but putting "autoboot" in the embedded script instead of my script above
04:09
In essense it's like pressing ctrl+b and typing autoboot yourself...
04:10
(ehm, some explanation: the rom-o-matic site allows you to embed some commands in the gpxe.krn/dsk/iso/usb you download...)
04:10
<alibaba>
Do you have any idea what can cause this problem at all?
04:11
<alkisg>
I'm guessing some BIOS initialization problems, but you'd need to ask a gpxe coder for details
04:12
Join #etherboot in IRC and ask there...
04:12
<alibaba>
thank you.
04:12
<alkisg>
alibaba: if it's just that terminal, you can make a script that completely bypasses dhcp..
04:13
(or, that waits 10 seconds and runs autoboot afterwards)
04:13
<alibaba>
Yes, only this one.
04:14
<alkisg>
Try embedding a script then, it's the easiest method
04:14
<alibaba>
I don't want to bother Marty Connor again. He himself helped me to get this CF card booting at all.
04:15
Does gPXE automatically search and execute a script file?
04:15
<alkisg>
OK, just go to the rom-o-matic site...
04:15
See the link I posted above.
04:16
(11:01:54 πμ) alkisg: To use it, just go to http://rom-o-matic.net/gpxe/gpxe-1.0.0/contrib/rom-o-matic/build.php and put it in the [Embedded script] box.
04:17
<alibaba>
I'll do so... Which commands does it uinderstand?
04:17
<alkisg>
Type `help` in the gpxe prompt to get the list
04:17
<alibaba>
ok. Thank you.
04:17
<alkisg>
(i.e. `autoboot` etc...)
04:17
You're welcome
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08:56
<exploreralex>
can v make a usb startup disk for linux ubuntu 9.10 server edition?
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09:15
<infro>
hello
09:15
<sbalneav>
hello
09:15
<infro>
I have another problem with my ltsp
09:15
most client can access with same username
09:15
when I disable it?
09:17
it's possible?
09:17
<sbalneav>
Not sure what you mean.
09:18
Do you mean you want to stop people from logging in multiple times with the same username?
09:18
<infro>
yes
09:18
in this moment
09:19
if I have 3 client up
09:19
I can login with same username
09:19
<sbalneav>
right
09:19
so, don't do that :)
09:19
<infro>
simultaneously
09:20
hahahah :D
09:20
ok
09:20
but in one university this is the problem
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09:20
<sbalneav>
That's not really an LTSP problem.
09:21
If you'd like to restrict that, then set up an Xsession.d script that detects multiple logins, and boot the person off.
09:22
You can set LDM_LIMIT_ONE_SESSION_PROMPT
09:22
to true
09:22
but that only helps if you only have one server.
09:22
<cyberorg>
sbalneav, LDM_LIMIT_ONE_SESSION?
09:23
or is it _PROMPT now?
09:23
<infro>
I have one server
09:23
sbalneav: it's on lts.conf?
09:24
<sbalneav>
Sorry, that's the prompt
09:24
it's LDM_LIMIT_ONE_SESSION
09:24
It's not in the docs, I'll have to add it.
09:25
infro: yes, that's where everyhting gets set on thin clients.
09:25
<cyberorg>
i think both are required, just read ldm-trunk/rc.d/S15-userLoginCheck
09:26
<sbalneav>
That's what I'm doing.
09:27
No.
09:27
LDM_LIMIT_ONE_SESSION_PROMPT isn't required
09:27
if it's not set, there's a default message.
09:28
<cyberorg>
ok
09:30
<infro>
I test it
09:30
it's not work :(
09:37
cyberorg: I have find S15-userLoginChect
09:37
I copy in in etc/rc.d/ and update the image?
09:38
<cyberorg>
infro, no it will already be in right place where ldm expects it, just change lts.conf adding those variables to True
09:40
<infro>
I have only add True at the variable, but not work
09:40
Do can I update the image?
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09:54
<sbalneav>
infro: Does your lts.conf sit in the tftp area? Or in the /opt/ltsp area? If the latter, then yes, you'll have to update the image.
09:55
<infro>
tftp
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09:55
<infro>
this variables block the user logout
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10:33
<jammcq>
hellooooo
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12:19
<anivair>
does anyone know if dicklessworkstations.com has any thin clients that are POE compatible? it's be great not to have to run power cords here.
12:20
<Lns>
anivair: if you wait around maybe CAN-O-SPAM will show up, he works there
12:21
<anivair>
coolness. I'll hang for a bit
12:21
if I end up having to go, i'll ask the list
12:22
<Lns>
anivair: did you look on their website? I'd think that it would tell you as well ;)
12:23
<anivair>
I looked. nothing says it specifically, but Im thinking it might be me (I've never really looked for it before)
12:24
<Lns>
what kind of environment are you in that you don't want power run to the terminals?
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12:30
<anivair>
we're in a call center. Mostly I just want to cut down on as many cables as I can and if I can get it down to just one net/power cable, that would be easier
12:30
also, my switches are more reliable than the power outlets here
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12:40
<johnny>
does POE really offer enough power for those?
12:40
is it even possible?
12:42
it doesn't sound possible..
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12:54
<Lns>
johnny: there are thin clients w/PoE
12:58
<anivair>
I'm sure it's possible. I power a lot of stuff on a POE switch.
12:59
<johnny>
Lns, i wonder what the max is..
12:59
<jammcq>
the switch docs will tell you how much power can be delivered
12:59
with that, it just becomes a simple math problem
13:01
<Lns>
Too bad LCDs don't have the extra AC input that the old PC power supplies used to have..
13:01
Anyone remember those?
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13:09
<johnny>
Lns, i do..
13:09
never used it tho..
13:10
<Lns>
Would seem logical to, now that LCDs and TCs are such low power, to have a single power cord for them
13:12
<vagrantc>
power-over-ethernet sounds pretty ideal
13:14
<alkisg>
There are cords that can at the end of the LCD power cord and before the LCD itself, and "fork" the current to the TC...
13:15
Some speakers have those
13:15
<Lns>
stgraber: http://pastebin.com/K7QAtgYH - just caught this while upgrading my lucid chroot.. is this an issue?
13:15
alkisg: hmmmmm
13:17
http://www.google.com/products/catalog?hl=en&client=firefox-a&hs=jSX&rls=com.ubuntu:en-US:unofficial&q=computer+power+cord+~splitter&um=1&ie=UTF-8&cid=16276483390034978630&ei=qqerS6SSJoPetgO7rpXuCw&sa=X&oi=product_catalog_result&ct=image&resnum=4&ved=0CBkQ8gIwAw#
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13:19
<Lns>
or even better, http://www.amazon.com/Outlet-Saver-Power-Extension-Splitter/dp/B0017KAP84
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13:19
<Lns>
those would work really well, especially if the client was vesa mounted and thus very close to the lcd
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13:27
<Lns>
How exactly does LOCAL_APPS_MENU_ITEMS work under the hood? Does it watch out for those local processes?
13:27
For example, how would it know to run openoffice writer locally if you hvae LOCAL_APPS_MENU_ITEMS = ooffice -- vs -- LOCAL_APPS_MENU_ITEMS = oowriter ?
13:28
(should be ooffice -writer in the first one)
13:29
<sbalneav>
I believe it's just doing its work with .desktop files
13:30
No "process" magic.
13:31
<alkisg>
So it should be openoffice.org-writer, because it is openoffice.org-writer.desktop
13:31
(i.e. it looks at the desktop file name afaik)
13:32
<Lns>
oh! ok
13:32
thx guys
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13:40
<Lns>
i'm impressed at how well some of this localapp stuff performs
13:40
OOo doesn't break a sweat
13:40
on an atom 1.6 (course it's 4 cores lol).. need to grab some clients from the schools to see how well they'll perform next school year
13:42
<Blinny>
I'm very excited about the prospects of moving to Lucid.
13:43
My hardy boxes have been gems, but OO has shown its age. PPAs don't quite work for me with some files.
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13:51
<Lns>
Blinny: i'm in your boat too. Testing lucid from hardy. I'll be upgrading from i386 -> amd64 server, too.
13:52
besides the cosmetics in the themes and stuff, i'm really really liking lucid's performance
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18:07
<pem725>
hey all, anyone know a quick fix for the upside down mirrored display on thin clients (using LTSP 5.2 with mix of intel and nvidia clients).
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18:29
<pem725>
sorry to ask again but I need some help. Anyone know a quick fix for the upside down mirrored display on thin clients (using LTSP 5.2 with mix of intel and nvidia clients)?
18:29
my thin clients are all buggered up and I need them for tomorrow.
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19:03
<johnny>
pem725, this isn't a good time for support in the channel..
19:03
you missed it by hours
19:03
come back early tomorrow probably
19:03
<pem725>
yeah, I figured.
19:03
will do.
19:03
johnny: thanks.
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