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crikeys theres lots of people here these days
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hello, I have a question about config of ltsp-cluster. Does anyone is here ?
I have manage to install ltsp-cluster with an ldap server, but sometimes a thin client return to the login ldm. This happen often with a big firefox locapapps running (multiple tabs open)
on the page http://manpages.ubuntu.com/lts.conf there is a X_ramperc parameter but I don't find where to indicate to ltsp control center to add this parameter. It is not in the attributes list. Does anyone can give me a clue ?
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anyone have a link to how to setup printers? got a usb printer that works perfectly on the server, need to connect it to a thin client
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guest128754 are you gonna connect it with USB directly to the client?
or is it gonna be connected to the server?
i need to connect it (and others) directly to the clients
so its a local printer setup
yeah, connected to the thin clients
you need to edit lts.conf
there you go
does the ltsp image need to be updated each time you update the lts.conf?
the thin client needs a reboot to read the lts.conf again
ok, so, once i get these printer settings right, how do i add it to the list of printers? does it just "show up" or do i need to somehow configure cups?
also, how can i actually tell where the usb printer gets mounted by the thin client? like for the line
check dmesg when you plug it in
I dont know if you have to do anything more ,never used local printers
Appiah: I'd normally know how to do that, but how do i access the OS on the thin client?
set a root password in the chroot
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hello all.. ltsp-build client return error "/usr/lib/python2.6/site-packages/imgcreate/errors.py:40: " . help me..
hello, I have a question about config of ltsp-cluster. Does anyone here known a little about it ?
I have manage to install ltsp-cluster with an ldap server, but sometimes a thin client return to the login ldm. This happen often with a big firefox locapapps running (multiple tabs open) I saw an X_RAMPERC in lts.conf parameter but I don't find where to indicate to ltsp control center to add this parameter. It is not in the attributes list.
the servers are installed with Lucid Lynx
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Guerdal82: you'll have to add custom parameters manually.
Guerdal82: one moment and I'll get you some instructions on how to do that
okay, so i got my printer setup in lts.conf but how do i get it added to the list of printers on the server?
guest128754: You must add the printer on the server as a jet direct printer in cups, it's that I done to add two epson usb printer sometime ago :-p
Guerdal82: even for non-HP printers?
this is OT, but what kind of racks do yuo guys buy?
wait a minute, I check my config
Ok : I used that addres: socket://192.168.0.162:9100 (192.168.0.162 is the ip address of the thin client that have the usb printer connected to it) and Epson Stylus Color 1160 - CUPS+Gutenprint v5.2.3 as driver (it's an example) :-p
thanks, will give it a try
Guerdal82: ok, that's completely insane. seems like it works!
Guerdal82: although the printing is a tad off, it actually works. freakin' amazing.
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Continuing my saga LTSP on my laptop with nothing but a NIC and 512MB.
Why is update-apt-xapi running on the client? I installed ssh and rebuilt the image and I was getting mouse hangs for split seconds, which stopped when I killed this process. The process started automatically again and so did the mouse hanging.
Also, number 2 issue now is that the laptop(client) hangs completely if it is left alone for a period. I do not yet know what is causing this.
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update-apt-xapi is really update-apt-xapian-index. Still trying to find out what it is doing.
myjess: that second part is likely some crappy acpi stuff? laptop going into powersaving of some sort?
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which of the acpi parameters do i need to put into the boot string to turn acpi off completely?
there's a few i've used over the years
i think the most recent was noacpi
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ok, thanks, I'll give that a go. Cannot find any process called update-api-xapian in chroot though.
yeah i don't know about that; the distro/version you are using would be helpful though
and also see the weekly one
myjess: I completely disable cron on my clients for that reason :)
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Muy connection died there.
Do I need to put noacpi and noapm into the actual chroot and rebuild the image or is it good enough to have it just in the tftpboot default file?
(08:32:06 μμ) alkisg: myjess: /etc/cron.daily/apt
(08:32:09 μμ) abeehc: yeah i don't know about that; the distro/version you are using would be helpful though
(08:32:11 μμ) alkisg: and also see the weekly one
(08:32:22 μμ) alkisg: myjess: I completely disable cron on my clients for that reason :)
karmic edununtu / ubuntu fatclient.
Someone else tol dme that the laptop hanging after a couple mins of non use maybe acpi, and stated I disable it. but just disable them in tftpboot, or ib build also.
alkisdg, thanks for that. Is it just a simple removal of the cron script or is there some command that does it for me?
I use this to disable cron *completely*:
ltsp-plugins/090-divert-cron: chroot "$ROOT" dpkg-divert --divert /etc/anacron.conf --rename /etc/init/anacron.conf
ltsp-plugins/090-divert-cron: chroot "$ROOT" dpkg-divert --divert /etc/cron.conf --rename /etc/init/cron.conf
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ok soi= you mean to add that 90 file into nplugins and put those two strings in the file? Will ltsp-update-image look at these plugins?
No no ok let me write you the exact commands:
sudo chroot /opt/ltsp/i386 dpkg-divert --divert /etc/anacron.conf --rename /etc/init/anacron.conf
sudo chroot /opt/ltsp/i386 dpkg-divert --divert /etc/cron.conf --rename /etc/init/cron.conf
Just those 3. But remember, these disable cron.
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alkisg, for turning off acpi and apm ion the client, do i need to add the noacpi and noapm to the build image pxe default file?
hmm, thinking aboiut this, it would be good there cos update kernels takes it from there to put into tftpboot
in fact i will put it into that file that updates default. Now if I could just remember which file that was :)
editing /var/lib/tftpboot/ltsp/* directly will get overwritten on server reboot
On reboot? Or on ltsp-update-image --force?
there are a number of ways it could get rewritten
but ltsp-update-kernels is re-run every time a network interface goes up or down
oh wait, that's just ltsp-update-sshkeys
vagrantc: that's sshkeys
there is an ltsp-update-kernels.conf apparently being asked for inside /usr/sbin/ltsp-update-kernels
How could i put the boot params into that conf file.
myjess: BOOTPROMPT_OPTIONS="noacpi" in /etc/ltsp/ltsp-update-image.conf
*not* in update-kernels.
Gadi: looks like you reverted a bunch of cd related ltspfs stuff?
oh, hold on, i just added those two params to ltsp-update-image.conf, but you now say I explicitly add another line with that BOOTPROMPT in it?
I seem to have two duplicate entries in that conf file fot whatever reasons.
You *just* need that line. What other params did you add?
# Configuration file for ltsp-update-image
# By default, do not compress the image
# as it's reported to make it unstable
NO_COMP="-noF -noD -noI -no-exports"
BOOTPROMPT_OPTIONS='quiet splash autoconf=dhcp noacpi noapm'
BOOTPROMPT_OPTIONS='quiet splash autoconf=dhcp noacpi noapm'
No don't paste here, use the pastebot
alkisg: "pastebot" :: The LTSP pastebot is at http://ltsp.pastebin.com. Please paste all text longer than a line or two to the pastebot, as it helps to reduce traffic in the channel. Don't forget to paste the URL of the text here.
OK, just delete the last 2 lines then
And remember, those only take effect after ltsp-update-image --force
Otherwise you need to manually edit pxelinux.cfg/default
I used pasteboit but i guess you have answered anyway. Thanks.
alkisg? You said you had a lappy with a 855gm vga chip. Have you ever done just a normal ubuntu karmic boot but turned off quiet/splash?
I don't remember about quiet/splash. It booted fine with karmic as a standalone pc
Do you see the boot process when you do this, cos I still don't on my lappy, but it gas no internal screen.
it finishes init.rd,
thenj the screen goes to sleep until X starts.
I don't remember, it's my wife's laptop...
just wondering if the driver only displays to internal screen and it takes x TO NOTICE THAT AN EXTERNAL SCREEN IS BEING USED.
I think it was ok, I never noticed any boot problems, splash missing etc on Karmic
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right, could be the kernel driver only writing to internal screen then.
Any ideas why I have kacpid, kacpi_notify and kacpi_hotplug running on the client? I did put noacpi and noapm into the boot options!
The lappy still hung, thats why I am asking.
Wnen the lappy hangs, top seems to stay running via ssh to the client but as soon as I exit it, the ssh session also freezes with no prompt displaying.
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vagrantc: is "-fp" needed for `poweroff` on debian ltsp?
alkisg: i know it hangs some of the older machines we use at freegeek
alkisg: but not using it just causes it to go through the normal shutdown sequence
vagrantc: it isn't needed anymore on Ubuntu (stgraber replaced it with an upstart .conf file), and it breaks a program of mine as it doesn't give it a chance to properly disconnect
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...so I have to use timeouts etc to detect when the client has been shut down
i never really understood why we needed an instantaneous shutdown anyways
The shutdown process breaks because of nbd
not on debian
So, if debian doesn't need it, and lucid+ doesn't need it, maybe we could remove it? :)
even on debian, nbd shutdown works properly
(I'll ask stgraber of course, just asking for a debian confirmation...)
alkisg: people have waffled over that one so many times, and every time it's never made sense to me
You don't use ubuntu, that's why it doesn't make sense :D
ubuntu should properly register it's nbd-client/nbd-proxy invocations so they don't get killed on shutdown
Right, I think I saw that somewhere
the rationale people give never made sense
Marking the init processes with "netboot" or "netstart" or something so that they're not killed at shutdown
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alkisg: you just have to register the pids not to kill
Hmmm maybe I saw a different way
maybe there are other ways
but the sensids.omit.d approach (based on something originally developed by ubuntu) works great in my experience
might have issues with nbd-proxy if the respawn thing causes a new nbd-client to get started
although nbd-proxy will spawn a new nbd-client so it should be fine
maybe ubuntu's abandoned sendsigs.omit.d it for something newer...
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Does anyone know of a way that I can log which terminal a user logons on to?
last should tell you which ip address
hrm. cdpinger hanging... should try gadi's new patch
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Ghid0rah: I am playing about with iTalc at the minute and you can show the usernames in that. You can even export them to a text file I think.
I just logged out of my test client via iTalc. It is set to auto login, and it did, and now iTalc states no use is logged in, although I know there is! Maybe the ica port has changed?
Yep, that would be the reason. Port changed on logout of client. Just letting anyone know that reads the logs.
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|16:02||* alkisg is developing an app that monitors ltsp clients real time, and shows computers and users as they become available|
...also supports ltsp-build-client through a wizard, chroot updates, student monitoring, screen locking etc, and in the future will have file transfers and other stuff
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alkisg. Why do I have to kill all my nbd servers when I log out or power off the client. I have to do this because they keep i386.img open and even when deleted the space is still used up.
So if limited on space, and building an image again, the build will crash out cos there is no space left on the filesystem.
Nbd tries to keep the connection for a long time in case the client gets offline temporarily
how can I reduce that timeout?
Also, and apologies for hitting you with Q after Q, I want to touch a file in the i386 dir that is called "builddate" but if I modify ltsp build or update scripts, I would have to do that every time I updated the ltsp software.
I know there are conf files read during build and update, is there any way for me to put in a `touch /opt/ltsp/i386/builddate` in one of those?
Even two files touched, one of build and the other for last updated
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hi guys don't know if anyone is able to help me....had ltsp up and running.... for like all of 10 minutes. client hooked up fine, able to log in etc
i go and reboot my server
and now the dhcp3 server even the apache server is not starting automatically....and the ltsp is guffed
well.. you'll have to provide more info as to why dhcp isn't starting
grspence__: anything revealing in /var/log/syslog on the server regarding dhcp?
grspence__: grep -i dhcp /var/log/syslog
started dhcp3 manually....full of dhcp3 offer requests
will go restart and see if there is any errors
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y 12 22:46:15 aspire dhcpd: DHCPACK on 192.168.1.83 to 00:1c:c4:8d:c1:ed via eth1
May 12 22:55:19 aspire dhcpd: DHCPREQUEST for 192.168.1.20 from 04:1e:64:a1:9e:c0 (Steves-iPHONE-2) via eth1
May 12 22:55:19 aspire dhcpd: DHCPACK on 192.168.1.20 to 04:1e:64:a1:9e:c0 (Steves-iPHONE-2) via eth1
May 12 22:58:22 aspire kernel: [ 22.345212] type=1505 audit(1273701501.134:3): operation="profile_load" pid=556 name="/usr/lib/NetworkManager/nm-dhcp-client.action"
May 12 22:58:23 aspire kernel: [ 24.219199] type=1505 audit(1273701503.006:8): operation="profile_replace" pid=821 name="/usr/lib/NetworkManager/nm-dhcp-client.action"
last few lines there
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grspence__: looks like your DHCP server is working, then...
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vagrantc: gadi was last seen in #ltsp 1 day, 4 hours, 9 minutes, and 7 seconds ago: <Gadi> just share out that dir
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i just installed ltsp on lucid and i got dhcp working and i even got the thinclient to boot over pxe
but now i dont know how to login, can anyone help me?
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nobody huh =(
did you create accounts for them?
on the server?
that's wat it will require
really.. this is just a bad time for support in this channel
this channel is most active during western european/usa business hours
johnny, ive been trying to figure out how to do that but i could not find a guide to do that
there's a user add dialog
this is not relalyl an ltsp question.. but an ubuntu one
there is Users and Groups or something in System | Administrator
so i tried to login with an existing user account on the server and it wouldn't connect
are you currently logged in on the server as that user?
that's one reason why
ok i will try that
then i will ask again tomorrow if i cant get it
thanks for the help
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