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good morning all
I've installed LTSP using Ubuntu 10.4's alternative install CD.
It was a bit of a bumpy ride in that the default settings didn't work because the dhcp points clients to /ltsp/i386.tmp, when the real path is /ltsp/i386 (no .tmp on the end)
Any ideas as to why that's set that way?
Further, I can now get a client to load a kernel and initrd and X appears to start as I get some sort of a background image, but I never see the greeter/login prompt.
Any suggestions of where to look to figure out what's failing?
petre: are you sure ltsp-build-client finished successfully? Maybe .tmp means that it didn't...
How big is the image? ls -lha /opt/ltsp/images/i386.img
497389568 to be exact
I don't use a default chroot but yes it should be around that
What do you mean "a sort of a background image"?
The ubuntu splash screen?
That's the default ldm background, do you see that? http://www.stgraber.org/download/images/ldm.png
Yes, I get that background, but no ubuntu logo, no login box, no options or date or anything; just the white with the orange stripe on th left
and a mouse cursor
Hmmm can you try to update your chroot, to verify that all packages were installed ok?
sudo chroot /opt/ltsp/i386 apt-get update
sudo chroot /opt/ltsp/i386 apt-get dist-upgrade
If you see any prompt about broken packages, then that's the problem...
The first update just gave some messages about 'Failed to fetch cdrom'
but that's all.
Copy your sources.list from the server to the chroot, and try again:
sudo cp /etc/apt/sources.list /opt/ltsp/i386/etc/apt/sources.list
(keep a backup if you want)
(not needed though)
I'm waiting for the second command to complete.
Then I'll copy the sources.list over.
I won't worry about backing up. This is new, dedicated machine to be used to train people on Ubuntu.
While I'm waiting, do client need at least 512MB of RAM?
What happens if one tries with just 256MB?
256 is more than enough for thin clients
I have labs with 64MB
(that's the absolute minimum, though)
Is your network gigabit?
(and your clients etc?)
server is gbit, clients 100Mb. switch has gbit port for server, 100Mb for clients
Watch out for flow control problems then, they'll bring your whole network down to 100mbps: https://help.ubuntu.com/community/UbuntuLTSP/FlowControl
And here's a wiki page that describes chroot updating in more detail: https://help.ubuntu.com/community/UbuntuLTSP/UpdatingChroot
Reran update and this time no errors.
You also need to run sudo ltsp-update-kernels && sudo ltsp-update-image
Do I need to rebuild the image?
After all that, reboot your client
Not "build" in the ltsp-build-client sense, but "update", i.e. the 2 commands above
rebooted client, same thing: background image, nothing else
You didn't update the image
(07:39:31 PM) alkisg: You also need to run sudo ltsp-update-kernels && sudo ltsp-update-image
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I've also got a P3 with 256 that loads the kernel but nothing else.
That may be a network module problem, leave that for later
It's probably worth mentioning that it's using a univeral ethrboot floppy.
Ah. Don't :)
ok, I'll put it aside for now.
alkisg: "gpxe" :: the successor to etherboot (http://etherboot.org). To download bootable floppy, cd, usb, kernel etc images, visit http://rom-o-matic.net/
Use that one instead ^^
And specifically the 1.0.0 version, not the 1.0.1
Ah, yes, gpxe. Ok, will do
There are known problems with older boot disks that use the older etherboot versions, before the gpxe switch
Does that P3 have windows installed?
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No, was used with an ltsp 4.2 server in the past.
(putting p3 aside for the moment)
I'm checking the flow control
Switch is unmanaged.
The server will be hosting only about 6 clients and not doing anything heavy, mostly being used to give a tour of Ubuntu.
Anyway, I'm still stuck with no login.
(already updated kernel)
E.g. watching a youtube video might need 80 mbps bandwidth, so disabling flow control on the server nic would be required for good performance
80*6 = 480
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had to step away for a bit
we won't be doing any youtube, so that shouldn't be a problem.
I updated the image, but still getting the same result on the client of just getting the login background but no login fields, options, date, etc.
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petre: there's a possibility that your chroot is broken, so if you have a fast connection I'd suggest `sudo mv /opt/ltsp /opt/ltsp-possibly-bad && sudo ltsp-build-client`
If it still doesn't work after that, ok, troubleshooting will be in order
I'll start with the (re-)build
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rebuilding the chroot made no difference; client displays only background for login screen.
I'm going to drop off for a few minutes: I want to reconnect the floppy drive in the server (which I'm on here) to make a gpxe floppy to try another client machine.
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alkisg, good news! The P3 booting from the gpxe floppy works!
So, the problem with the client that just gets the background but no login prompts appears to be tied to that client.
It's a Dell laptop, fwiw.
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petre: it's probably a driver problem then, try `sudo gedit /var/lib/tftpboot/ltsp/i386/pxelinux.cfg/default` and replacing "quiet splash" there with "nomodeset"
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