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


Channel log from 2 May 2013   (all times are UTC)

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08:41
<jmilot>
Hello
08:41
I search some informations on ltsp-cluster
08:41
how i can install it on debian
08:56
Which files i need to download ?
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10:56
<Hyperbyte>
jmilot, have you looked online for some howto's?
10:57
I haven't ever looked into LTSP-cluster myself (it's not developed by the LTSP developers), but I'm sure there are some instructions to be found, if you look.
11:03
<jmilot>
Yes, i have search on their website but i have fund nothing
11:04
so i have installed ubuntu package on debian wheezy
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13:14
<lifeboy>
My Ubuntu 12.04 LTSP clients boot into Busybox since they cannot find NBDServer. NBDServer doesn't want to start after the upgrade (alkisg: This is the machine that had the dnsmasq blockked by the firewall). How can I "fix" NBD Server on this without rebuilding the whole thing?
13:15
<alkisg>
lifeboy: client: cat /proc/cmdline
13:15
nbd server doesn't start?
13:16
egrep -rv '^#|^$' /etc/nbd-server
13:16
!pastebin
13:16
<ltsp>
pastebin: the LTSP pastebin is at http://ltsp.pastebin.com. Please paste all text longer than a line or two to the pastebin, as it helps to reduce traffic in the channel. Don't forget to paste the URL of the text here.
13:18
<lifeboy>
alkisg: Yes, it complains about "Key file does not have key 'exportname'" ... I'm pastebinning the output and config now
13:18
<alkisg>
Did you upgrade from 10.04 to 12.04?
13:18
<lifeboy>
yes I did
13:18
<alkisg>
The upgrade path there is pretty broken
13:19
<lifeboy>
actuall first 10.10 a while ago and then to 11.04, 11.10 and 12.04
13:19
<alkisg>
It would be better if you uninstalled everything ltsp/nbd related, deleted all configs from /etc, and then reinstalled everything ltsp/nbd related...
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13:19
<alkisg>
lifeboy: vnc or ssh? it'll take a lot of time via pastebin, the old config is pretty much useless with 12.04
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13:20
<lifeboy>
My clients have special configs which I didn't create... I'm not sure what was all changed
13:21
alkisg: I'm onsite. You wanna ssh?
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13:21
<alkisg>
Sure, but let's make that socat so that you can see what I'm doing
13:22
!socat
13:22
<ltsp>
socat: One way to share a console with a remote person is: [local pc] forward port 5500, run: socat tcp-listen:5500,keepalive=1 stdio,raw,echo=0 [remote pc] socat tcp:server:5500 SYSTEM:"{ sleep 1; xterm -e screen -xRR ra$$; } & exec screen -S ra$$",pty,stderr
13:22
<alkisg>
Hmm I need to change that to not use xterm
13:23
<lifeboy>
Looks pretty complicated... VNC is ok I guess if it's fast enough for you
13:24
<alkisg>
x11vnc -connect alkisg.dyndns.org
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13:30
<alkisg>
lifeboy: you have a 10.04 chroot
13:30
You need to build a 12.04 one
13:30
<lifeboy>
yes,the client hardware needs that
13:30
<alkisg>
Are you sure? Why?
13:31
is the problem (1) pae or (2) cmov?
13:31
<lifeboy>
The chip doesn't support some code that was dropped from UBuntu after 10.04
13:31
ah, yes, cmov
13:31
<alkisg>
Hmmm you'd better use a wheezy chroot then
13:32
The nbd-server in 12.04 uses name-based exports,
13:32
while the nbd-client in 10.04 uses port-based exports
13:32
<lifeboy>
and 10.04 can't talk to that?
13:32
ok, I understand
13:32
<alkisg>
Not unless you change nbd-server in 12.04 to use port-based exports,
13:32
...which will be an extra overhead...
13:33
The wheezy chroot is very similar to a 12.04 chroot wrt application versions
13:33
<lifeboy>
does Ubuntu LTSP support installing a debian client or must I do that manually?
13:33
<alkisg>
I'd install debian in a vm, then run ltsp-build-client there, and trasfer the result back to ubunntu
13:34
<lifeboy>
Ok, that can be done
13:34
<alkisg>
Ubuntu supposedly supports building a debian chroot, but I think you'll hit a few bugs there...
13:34
<lifeboy>
That I could also run a client in a VM and test by config remotely, not so?
13:34
<alkisg>
Sure
13:35
<lifeboy>
Since I can't go out the site again over the weekend, but I can build the VM remotely
13:35
<alkisg>
The nbd-server configuration that's now missing will be created when you run ltsp-update-image, unless you stick to using nfs
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13:36
<lifeboy>
So 12.04 doesn't by default use nfs?
13:36
<alkisg>
No, debian uses nfs by default, ubuntu uses nbd by default, in all versions
13:36
<lifeboy>
Ah, I see
13:37
<alkisg>
(I closed vnc)
13:38
<lifeboy>
So I build a chroot for wheezy in a Debian VM, copy it for UBuntu and do ltsp-update-image, which will configure it with nbd rather than nfs?
13:38
<alkisg>
Right
13:38
<lifeboy>
I think I'll get started a.s.a.p. and let's see if I get stuck
13:39
Never played with Debian, but I suppose it's pretty much like Ubuntu, right?
13:40
<alkisg>
Right, and wheezy is pretty much the same as 12.04 lts, you could even use that for your server without seeing much of a difference
13:40
(nope, you don't need it, i was just saying...)
13:42
<lifeboy>
Thanks for helping again!
13:42
<alkisg>
np
13:44
<lifeboy>
I see debian has some complete images I can download. Is wheeze the "stable" release?
13:44
wheezy
13:45
<jmilot>
wheezy will be the next strable release in few days
13:46
<lifeboy>
so which version should I installed? 6.0.7?
13:47
<alkisg>
Wheezy
13:47
It's debian 7
13:50
<lifeboy>
Ok, I'll search for it.
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14:47
<ltspuser_06>
Hi There, I am very new to this project, so apologies for, no doubt, asking a question that has been answered many times. Is there support for audio in this project.
14:47
?
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14:58
<ltspuser_39>
Hello guys, okay?
14:58
I installed a scanner on a client ltsp. CM1015 MPF. After installing the scanner driver in chroot and adjust the settings of the sane, the client and the server the command scanimage-L finds the scanner.
14:59
But when running the simple-scan returns the following error:Unable to get open device: Error during device I/O.
15:01
In Xsane image returns: Failed to open device `net:192.168.153.21:hpaio:/usb/HP_Color_Laserjet_CM1015?serial=ooCNBY67V016': Error during device I/O.
15:02
Can you help me?
15:05
In syslog: simple-scan: io/hpmud/pp.c 627: unable to read device-id ret=-1
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19:37
<cliebow>
!seen sbalneav
19:37
<ltsp>
sbalneav was last seen in #ltsp 2 days, 3 hours, 25 minutes, and 22 seconds ago: <sbalneav> I can taste the Scoma's now.
19:39
<sbalneav>
cliebow: Chuuuuuuuuuck!
19:39
How's the house?
19:39
And how's the postmaster general?
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19:41
<ltspuser_22>
Hello, could someone help me with a question related to scanner?
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19:44
<cliebow>
Hey Scottie:: fcoming alongh..been finisahing the basement..studded up..sheetrocked...insulated..wireds..doing the floor soon!
19:45
My left leg went ZSouth this Spring so i havnt done much for a month
19:45
<sbalneav>
Bummer
19:46
<cliebow>
So plodding al;ong best i can..
19:46
doing nothing interesting at work..fixing one macbook after another
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19:47
<cliebow>
start boating for pay in a couple weeks..ive had the whaler in for a mo nth..riding around the Narrows
19:48
<ltspuser_22>
Hello, could someone help me with a question related to scanner?
19:51
<cliebow>
Scittie:heading home..Best to you..
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19:52
<alkisg>
ltspuser_22: don't ask to ask a question, ask and wait for possible answers
19:52
<jammcq>
I think he's been asking question, but nobody is responding
19:53
ltspuser_22: Fabiano?
19:55
<ltspuser_22>
Yes1
19:56
<jammcq>
Have you used that scanner on a full Linux machine?
19:56
<ltspuser_22>
Yes! I am.
19:56
<jammcq>
and it works?
19:57
<ltspuser_22>
Yes, it works!
19:57
<jammcq>
well... the next thing I'd try is accessing it via the network, without LTSP
19:57
computer "A" with scanner
19:57
<ltspuser_22>
It is a pleasure and a relief to see that you are here (lol).
19:58
<jammcq>
and computer "B". both running full Linux
19:58
see if computer B can use the scanner on computer A
19:59
<ltspuser_22>
Ok I'll try here, but in case the LTSP server is not complete?
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20:00
<jammcq>
well... see if it works in a networked configuration. if it does, then we should be able to make it work with LTSP
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20:00
<ltspuser_22>
See, before I could not use scanimage-L does not find the scanner. Now it finds the scanner, both the shell client and the terminal server.
20:02
<jammcq>
when you run 'scanimage -L', what is the output?
20:03
<ltspuser_22>
device `net:192.168.153.21:hpaio:/usb/HP_Color_LaserJet_CM1015?serial=00CNBY67V016' is a Hewlett-Packard HP_Color_LaserJet_CM1015 all-in-one
20:05
<jammcq>
ok, try this:
20:05
scanimage -d net:192.168.153.21:hpaio:/usb/HP_Color_LaserJet_CM1015?serial=00CNBY67V016
20:05
<ltspuser_22>
I did this work was to install in the chroot libsane.hpaio
20:06
<jammcq>
scanimage -d net:192.168.153.21:hpaio:/usb/HP_Color_LaserJet_CM1015?serial=00CNBY67V016 >image.pnm
20:06
that should scan the document and place the image in image.pnm
20:07
<ltspuser_22>
scanimage: open of device net:192.168.153.21:hpaio:/usb/HP_Color_LaserJet_CM1015?serial=00CNBY67V016 failed: Error during device I/O
20:07
<jammcq>
hmm
20:07
can you try it on the client?
20:08
alkisg: what's a good way to see if the user is logged into the server or a client?
20:08
<ltspuser_22>
is the same, except that it changes the url_device of 'net' to 'usb'.
20:08
<jammcq>
same error?
20:08
<alkisg>
jammcq: hostname ?
20:08
<jammcq>
hmm, yeah
20:09
ltspuser_22: try: scanimage >image.pnm
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20:10
<ltspuser_22>
the client, the error goes to hpaio :/ usb ... rather than hpaio: net ...
20:10
<jammcq>
hmm
20:10
scanimage --test
20:10
<ltspuser_22>
scanimage: open of device net:192.168.153.21:hpaio:/usb/HP_Color_LaserJet_CM1015?serial=00CNBY67V016 failed: Error during device I/O
20:11
<jammcq>
maybe an incompatiblity with libsane.hpaio
20:11
where did you get libsane.hpaio ?
20:12ltspuser_82 has joined IRC (ltspuser_82!5650330d@gateway/web/freenode/ip.86.80.51.13)
20:12
<ltspuser_82>
hi
20:12
need help
20:12
<ltspuser_22>
apt-get install
20:12
<jammcq>
hmm, that should work
20:13
ltspuser_82: if you need help, you need to tell us what the problem is
20:13
we can't guess
20:13
<ltspuser_82>
i have school project
20:13
ubuntu server
20:13
windowser server 2008
20:13
windows 7
20:14
on vm ware machine
20:14
i configure everything but from ubuntu server my dhcp is not working
20:15
i cant give dhcp to win7 through ubuntu server
20:15
<jammcq>
why? are you getting an error?
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20:15
<ltspuser_82>
no error
20:15
<jammcq>
on the Ubuntu server, do this: netstat -anp | grep ":67 "
20:15
<ltspuser_82>
but when i change nic setting of win 7 to dhcp
20:15
it is not working
20:16
i cant get dhcp throug ubuntu server on my win7
20:17
i m new to ubuntu server
20:17
i almost a week busy
20:17
with this project
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20:17
<ltspuser_82>
netstat -anp | grep ":67 " wat does it do
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20:18
<jammcq>
it should tell me if dhcpd is running and listening on port 67
20:18
<ltspuser_22>
I searched on google about this error. Seen in various forums, the bug's problems (not clear if it was a bug in hplip or sane), but they are old posts. Do not believe the problem persists.
20:18
<ltspuser_82>
oke
20:18
<alkisg>
!ltspuser
20:18
<ltsp>
ltspuser: If you're planning to join this IRC channel via web multiple times, it might be a good idea to set some username by typing e.g. "/nick john123", so that channel members can identify you and remember your use case / previous questions etc
20:19
<jammcq>
alkisg: good idea
20:19
<alkisg>
(we should remove the "ltspuserxx" from our webchat form... and let them type their own names)
20:20
<ltspuser_22>
e.g /fabianofaria
20:20
e.g "/fabianofaria"
20:20
?
20:20
<alkisg>
No, type this: /nick fabianofaria
20:20
Not "e.g.", but "/nick" in front
20:21ltspuser_22 is now known as fabianofaria
20:21
<alkisg>
Better :)
20:21
<jammcq>
welcome fabianofaria
20:21
<fabianofaria>
ohhhh!! (lol)
20:21
<alkisg>
fabianofaria: what's the output of this, on the client? grep saned /var/log/syslog
20:21
<fabianofaria>
tank's!
20:21
<ltspuser_82>
how to simple configure ubunt with windows server 2008 and then via ubuntu give dhcp to clinet win7
20:21
<alkisg>
ltspuser_82: do you have ltsp installed?
20:21
<ltspuser_82>
ubuntu server
20:22
<jammcq>
ltspuser_82: what happened when you ran the command I told you to?
20:22
netstat -anp | grep ":67 "
20:22
<ltspuser_82>
i have start vm machine
20:22
i trying
20:22
wait
20:22
<jammcq>
hmm, first rule of asking for help... be prepared
20:22
<ltspuser_82>
thx
20:23
man
20:25
<fabianofaria>
saned[4479]: io/hpmud/pp.c 627: unable to read device-id ret=-1
20:25
<alkisg>
Only that? No connection message anywhere?
20:26
<ltspuser_82>
i run
20:26
sudo netstat -anp | grep ":67 "
20:26
give me unable to resolve host ubunt
20:27
<jammcq>
ltspuser_82: sudo -i
20:27
<alkisg>
fabianofaria: ok, another try: what happens if you run `scanimage > /tmp/image.pnm` locally on the client?
20:27
<fabianofaria>
saned[4479]: scan/sane/soap.c 96: unable to load restricted library /usr/share/hplip/scan/plugins/bb_soap.so: /usr/share/hplip/scan/plugins/bb_soap.si: cannot open object file: No such file or directory
20:28
<jammcq>
hmmmm
20:28
<ltspuser_82>
is little slow
20:29
same masg
20:29
unable to resolve host ubunt
20:31
<jammcq>
ok, you have a /etc/resolv.conf issue
20:31
or a DNS issue
20:31
<fabianofaria>
One moment, please.
20:31
<ltspuser_82>
i dont know man
20:33
<jammcq>
ltspuser_82: these are basic networking issues. not LTSP issues
20:33
<ltspuser_82>
i open now
20:33
sudo nano /etc/resolv.conf
20:33
i see
20:33
search domain.cc
20:34
coz my windows serve 2008 domian naam is domain.cc
20:34
i see only this
20:34
search domain.cc
20:35
in resolv.conf
20:36
<fabianofaria>
Something strange happened now. I removed the USB cable from the client to change port, a message appeared when I stuck the cable again: usb 1-6: device descriptor read/64, error -71 usb 1-6: device not accepting address 24, error -71 usb 1-6: device not accepting address 25, error -71 hub 1-0:1.0: unable to enumerate USB device on port 6
20:36
<ltspuser_82>
my nic card of VM ware machin is setup on Custom VMnet 6 same like ubuntu nic
20:37
<jammcq>
ltspuser_82: can you do: sudo -i
20:37
and get a '#' prompt
20:38
<ltspuser_82>
should i type # prompt
20:38
like this
20:38
<jammcq>
no
20:38
type: sudo -i
20:38
<ltspuser_82>
by sudo -i
20:38
same answer
20:38
<jammcq>
what answer?
20:38
<ltspuser_82>
unable to reolve host ub
20:39
<jammcq>
try: ping google.com
20:39
<ogra_>
thats just a warning
20:39
shouldnt have any effect
20:39
(and it means that /etc/hosts disagrees with /etc/hostname)
20:39
<jammcq>
ltspuser_82: now type: netstat -anp | grep ":67 "
20:39
<ltspuser_82>
uknow host google.com
20:40
coz i dont put my NIC as Bridge
20:40
if i put NIC as birgde then may be it works
20:40
<jammcq>
how did you install LTSP ?
20:41
ltspuser_82: now type: netstat -anp | grep ":67 "
20:41
<ltspuser_82>
sudo install LTSP
20:41
<jammcq>
ltspuser_82: now type: netstat -anp | grep ":67 "
20:41
2nd rule of asking for help... do what the helper says
20:42
<ltspuser_82>
did it
20:42
<jammcq>
3rd rule... tell the helper what the result was
20:42
<ltspuser_82>
nothing happen
20:42
<fabianofaria>
the test you asked: scanimage> / tmp / `image.pnm, repeats the previous error.
20:42
I'll try another scanner, only to take a doubt. The company is closing for the day and I can not stay here alone. If it works, the problem may be with this equipment.
20:42
<jammcq>
ltspuser_82: well... YOU HAVE TO TELL ME THAT !!!
20:42
how can I help you if you don't help me?
20:43
<ltspuser_82>
i have install LSTP
20:43
agin
20:43
with internet connection
20:43
<jammcq>
dhcpd is not configured
20:43
<ltspuser_82>
its doen
20:44
netstat -anp | grep ":67 "
20:44
i type this code
20:44
but it shows nothing
20:44
<alkisg>
fabianofaria: if the scanner doesn't work locally, it won't work over the network :) But maybe you're missing some libraries in the chroot... make it run locally on the client first
20:44
ltspuser_82: are you using ltsp, or are you just asking about dhcp configuration?
20:45
<ltspuser_82>
dhcp configuration
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20:45
<alkisg>
Why don't you ask in your distribution channel then?
20:45
I think #ubuntu-server would be more appropriate...
20:45
ltsp is for booting linux clients without disks over the network
20:46
<ltspuser_82>
hahaha funny
20:46
coz i thought i have install
20:46
for dhcp
20:46
i have no idea
20:46
<alkisg>
No, you don't need to install ltsp to use dhcp
20:46
<ltspuser_82>
i start on monday with this ubutu
20:46
that much that i learn
20:47
was from youtube
20:47
i almost configuer
20:47
but dhcp not working on window 7
20:47
<alkisg>
There is online documentation in ubuntu wiki about configuring dhcp, google for that, or ask in #ubuntu-server
20:47
The ltsp instructions for configuring dhcp are different
20:47
<ltspuser_82>
same crap
20:47
<alkisg>
You don't want the ltsp instructions...
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20:48
<ltspuser_82>
i remove it
20:48
lstp
20:48
<fabianofaria>
Yes, I agree. I will replace the scanner to eliminate the possibility of a problem with the equipment. Today we are ending the record here, return tomorrow with the results. Again thank you for your attention and promptness. Thank you!
20:48
<jammcq>
fabianofaria: tchau
20:49
<fabianofaria>
hehe, tchau!
20:49
<ltspuser_82>
thnx guys
20:49
<jammcq>
one of the 12 br-pt words I know :)
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20:50
<fabianofaria>
(laughs) You know more than I Portuguese English.
20:50
<jammcq>
heh
20:51
<fabianofaria>
I think the translation of the previous sentence was not cool.
20:51
<jammcq>
I understood
20:52
<fabianofaria>
ok bye!
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20:52
<ogra_>
geez ... what a day in #ltsp
20:52* ogra_ doesnt think he ever saw jammcq shout here
20:53
<jammcq>
heh
20:53
well... it gets frustrating sometimes
20:53
<ogra_>
yeah, definitely
20:53
<jammcq>
how many times did I ask him to run the netstat cmd ?
20:53
<ogra_>
often enough for sure
20:54
<jammcq>
I understand that many times there's a language barrier
20:54
<ogra_>
yeah
20:54
but this was a quite high one
20:54
<jammcq>
but it seems so obvious that if someone asks you to run a command, you should tell them what the result was
20:54
<ogra_>
more like the berlin wall, not like your neighbors fence
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21:00
<alkisg>
!socat
21:00
<ltsp>
socat: One way to share a console with a remote person is: [local pc] forward port 5500; apt-get install socat; socat tcp-listen:5500,keepalive=1 stdio,raw,echo=0 [remote pc] apt-get install socat screen; socat SYSTEM:"sleep 1; exec screen -xRR ra",pty,stderr tcp:REMOTE-IP:5500 & screen -l -S ra
21:02
<ogra_>
!sodog
21:02
<ltsp>
I do not know about 'sodog', but I do know about these similar topics: 'sound', 'socat'
21:02
<ogra_>
bah, only cat lovers here :P
21:04
<alkisg>
!nodogs
21:04
<ltsp>
nodogs: No dogs allowed in #ltsp
21:04
<alkisg>
:D
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21:56
<ogra_>
haha
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