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


Channel log from 28 February 2011   (all times are UTC)

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02:00
<gnunux>
hi
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07:14
<bieb>
Ollie hows it going??
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07:22
<bieb>
I had some issues with my ltsp image, Gadi and I worked through a bunch of stuff Friday, the outcome was to move the i386.img and recreate one by running ltsp-build-client.. all seemed to work fine except for 1 issue.. I am using likewise for my students to authenticate against our current AD server. The previous setup had their home dirs mapped to /home/JOHNMARSHALL/%user% and they were locked so no one but the user could get into them. Aft
07:22
Or.. what is the easiest way around this issue?
07:29
<alkisg>
...so no one but the user could get into them. Aft ==> the message was truncated at that point because it was too long
07:33
<bieb>
sorry
07:33
After the rebuild the new home location is /home/local/JOHNMARSHALL/%user% and these dirs are open. How can I change the home dir mapping?
07:34
<alkisg>
I don't think the chroot has anything to do with the home dir location
07:34
So AFAIK your question is, "how can I move the home dir to a standard Ubuntu installation?", and has nothing to do with LTSP
07:35
So if I get it right, you can change that with `usermod` for existing users
07:35
For new users, it depends on how you create them
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07:37
<bieb>
alkisg: what creates the /home/local/JOHNMARSHALL/%user% directory in the newest Ubuntu/Ltsp vs /home/JOHNMARSHALL/%user% from Ubuntu 9.04?
07:38
<alkisg>
bieb: maybe likewise? The standard home for Ubuntu LTSP systems is always in /home
07:38
<bieb>
hmmm..
07:38
<alkisg>
So that /home/local/JOHNMARSHALL/%user% might be likewise-specific, so asking there would probably help you more than asking here in #ltsp
07:39
<bieb>
ok.. will have to look into likewise info..
07:39
I updated likewise during the upgrade and rebuild of the client
07:39
<alkisg>
The chroot doesn't matter
07:39
You don't have to even mention that you're using LTSP
07:40
If you just login on the server, you'll get the same home dir as if you login on the client
07:40
<bieb>
gotcha
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10:03
<bieb>
Gadi: How's it going??
10:06
alkisg: you still here?
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10:17
<alkisg>
bieb: in and out...
10:18
<bieb>
alkisg: I looked through some stuff at likewise.. I am not finding the setting.. I am going to copy the user home dirs over.. is this the best way to copy??
10:18
yes | cp /home/JOHNMARSHALL/* /home/local/JOHNMARSHALL
10:19
obviously I would do this as sudo..
10:19
:)
10:19
<alkisg>
bieb: sudo mv /home/local/* /home/
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10:20
<alkisg>
Ah moment
10:20
I misread
10:20
<bieb>
will a move "merge" directories
10:20
<mnemoc>
hi, has anyone tried ltsp using efika mx clients? (cortex a8, good ubuntu support) they just dropped them to $129
10:20
<alkisg>
bieb: JOHNMARSHALL is the domain? And you have homedirs under that?
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10:21
<bieb>
yeah.. the old setup had them in /home/JOHNMARSHALL now they go to /home/local/JOHNMARSHALL
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10:22
<vagrantc>
mnemoc: yes, i've been working with the efikamx
10:23
<ogra>
mnemoc, 129 is for the netbook, the nettop is a 95 afaik
10:23
<vagrantc>
wow
10:23
<mnemoc>
ogra: 95€ or USD$129
10:23
<ogra>
oh, indeed
10:24
<mnemoc>
vagrantc: worths the try? can one use adapter for vga or only digitial dvi?
10:24
<vagrantc>
mnemoc: they don't support booting from the network, so you need to copy the kernel to SD or flash...
10:24
mnemoc: i think you can get DVI adapters for cheap, but VGA adapters are expensive
10:24
<ogra>
you should be able to boot from network if you have a proper u-boot config
10:24
but u-boot still needs the SD
10:25
<mnemoc>
their uboot code is available from gitorious
10:25
<vagrantc>
ogra: i've been told by the efikamx devs that because the ethernet is implemented in usb it won't support network booting any time soon
10:25
<alkisg>
bieb: one method: sudo rsync -av /home/JOHNMARSHALL /home/local/JOHNMARSHALL
10:25
<ogra>
vagrantc, ah, yeah, that might be
10:25
<mnemoc>
maybe tftp sopport faking pxeboot could be added...
10:25
<ogra>
mnemoc, wont help
10:25
<vagrantc>
which brings up another point, the ethernet on the efikamx is usb ... so it's not particularly fast
10:25
<mnemoc>
vagrantc: ouch :(
10:26
<ogra>
if you dont have the NIC available in the bootloader, tftp wont work
10:26
<bieb>
alkisg: awesome.. thanks
10:26
<alkisg>
maybe they could add a gpxe driver and put that to local storage
10:26
<vagrantc>
mnemoc: i did work on some hacks to use KEXEC so that you could load a kernel from SD/flash, boot to the network, and load a kernel/initrd off the network
10:26
<mnemoc>
vagrantc: worked?
10:26
<vagrantc>
that way you can always run a current kernel without having to reflash all the time
10:27
mnemoc: i haven't had a kernel that supports the efikamx and kexec
10:27
worked on i386, though
10:27
ogra: any recommendations for an arm-based thin client?
10:28
<ogra>
vagrantc, beagle XM ... cheap, available, many ports onboard, u-boot has support for the usb NIC builtin
10:28
<mnemoc>
manufacturers abuse in the prices of x86 thin clients, they should all die
10:28
<ogra>
800MHz/512M
10:28
needs microSD for booting ...
10:29
<mnemoc>
ogra: chassis is a problem with those TI boards.... cool for your own desk, but can't be deployed safely in the wild
10:29
<vagrantc>
sounds like the efikasb is US$200, and the smarttop is US$130
10:29
<mnemoc>
vagrantc: yes
10:29
smarttop has 8G of storage
10:30
<ogra>
mnemoc, ??
10:30
they are sold with cases
10:30
if you order at the right place
10:30
<mnemoc>
ogra: url?
10:30
<vagrantc>
i was given an efikamx smarttop to test out Debian LTSP ... mixed results
10:31
<ogra>
it should theoretically work
10:31
<vagrantc>
ogra: what sort of video output does beagle XM have?
10:31
<bieb>
alkisg: Do I need an asterisk after johnmarshall in the first part?? udo rsync -av /home/JOHNMARSHALL/* /home/local/JOHNMARSHALL
10:31
<ogra>
i had LTSP booting in ubuntu with the imx51 babbage board
10:31
largely the same arch
10:32
<mnemoc>
is the idea of running the client from the internal SSD (instead of network) too evil?
10:32
<vagrantc>
not necessarily...
10:32
<mnemoc>
client doesn't need to change that much...
10:32
<alkisg>
bieb: no, but I missed a slash: sudo rsync -av /home/JOHNMARSHALL/ /home/local/JOHNMARSHALL
10:32
<mnemoc>
i mean, updating once per semester should be enough.... :p
10:32
<ogra>
just defeats the purpose of central maintenance
10:33
<vagrantc>
i like to keep current on security updates
10:33
<bieb>
alkisg: great!! thanks...
10:33
<vagrantc>
but you could set them up to auto-update or something, probably
10:33
<ogra>
especially in school environments you should care for security updates regulary :)
10:33
<mnemoc>
good point :)
10:34
<alkisg>
Some people here are using windows 98. They don't bother with security updates :D
10:34
<vagrantc>
doesn't mean they can't start thinking about it :)
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10:34
<ogra>
yeah, you should be able to have a script in initramthat checks /boot against the running kernel and updates the SD automaticallyfs
10:34
*initramfs
10:35
<alkisg>
It'd be nice to have the ltsp initramfs scripts auto-detect if they're booting locally or from nbd/nfs etc
10:35
<garymc>
Hi anyone know if WYSE thin clients work with LTSP?
10:35
I cant seem to get them to PXE boot
10:35
<alkisg>
So that the user would only change the kernel param, not call update-initramfs and stuff
10:36
<ogra>
alkisg, initramfs.conf has that ;)
10:36
<alkisg>
ogra: we're messing it up though
10:36
Forcing BOOT=ltsp_nbd etc
10:36
<ogra>
fix it :)
10:36
<alkisg>
There are some parts to the ubuntu packaging tree, I don't have access to that
10:36
I filed bugs though
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10:40
<garymc>
so anyone any idea?
10:41
<alkisg>
Mentioning specific error messages might help
10:41
<vagrantc>
garymc: some models are just regular computers, but if you can't get it to PXE boot, you won't likely get it to work with LTSP ... unless you can figure out a way to load gPXE/iPXE/etherboot
10:47
<garymc>
there ar eno specific error message, they just boot up and its like a windows enviroment and looks for Citrix server.
10:48
I just thought they might have had boot options like my HP thin clients
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11:01
<msaul_>
Hi alkisg, I reinstalled Ubuntu with ltsp, and connect to internet, but need help
11:02
I can't boot up thin client on my eth0, eth1 is my primary..
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11:05
<msaul_>
alkisg: I posted to interfaces and resolv.conf to pastebin : http://ltsp.pastebin.com/wsRACHGV
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11:13
<tyrion-mx>
Hello I installed ltsp and configured dnsmasq to act as a proxy dhcp
11:14
I can login with a thin client, but I get an empty desktop
11:14
I can't even logout, is this normal?
11:20
<garymc>
anyone used WYSE thin clients for LTSP?
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11:53
<bieb>
alkisg: after the rsync of the directories, the students cant login, the error is "Could not chdir to hom directory /home/local/JOHNMARSHALL/%user%, permission is denied
11:53
<alkisg>
bieb: did the old directories have the same UIDs/GIDs?
11:53
upload this to pastebin: ls -l /home/local/JOHNMARSHALL
11:54
<bieb>
userIDs are the same.. how do I check GIDs?
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12:08
<bieb>
alkisg: I figured it out.. when the rsync does it's initial touch of all the directories, it sets them to drwx------ and root:root, once it completes the sync of the students directory it changes back allowing them to login
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14:08
<HrdwrBoB>
bieb: interesting
14:08
<bieb>
HrdwrBoB: yep
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22:26
<mahdi_ja>
hi all
22:34
while client boot to my ltsp server they get this error
22:35
no root device found
22:35
i check log in server and see this line
22:35
DHCPREQUEST for 192.168.20.8 (192.168.20.1) from 00:1d:7d:72:a0:d6 via ltspbr0: ignored (not authoritative).
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