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


Channel log from 30 June 2015   (all times are UTC)

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00:50
<maldridge>
does ldm write logs anywhere?
01:14
ok, I've narrowed it down to as near as I can tell the token LDM_THEME doesn't actually do anything. I can find no reference to it in the official documentation or the years old ubuntu documentation. I find a reference to a symlink that doesn't seem to affect anything (moving it had no affect on the theme) and there seems to be no rhyme or reason as to which theme my clients pick up at boot between the xubuntu default one, and the ltsp upstream one.
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05:09work_alkisg is now known as alkisg
05:09
<alkisg>
maldridge: try `getltscfg -a` in a client shell and see if your lts.conf does get parsed by the client
05:09
!screen_02
05:09
<ltsp>
screen_02: To get a root shell on an Ubuntu thin client: https://help.ubuntu.com/community/UbuntuLTSP/ClientTroubleshooting#Using_a_shell_SCREEN
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05:39
<maldridge>
is there a good way to debug ltsp from across a nat? Like some way I could spin up an ldm shell from my laptop?
05:41
<alkisg>
!kvm
05:41
<ltsp>
kvm: Virtual thin client: kvm -vga-vmware -ctrl-grab -no-shutdown -net nic,model=virtio -net user,tftp=/var/lib/tftpboot,bootfile=/ltsp/i386/pxelinux.0
05:44
<maldridge>
its been a while since I've worked with kvm, I assume that generates a window that I can pipe back via X forwarding
05:46
<alkisg>
Yup... or you could use virtualbox with bridged networking
05:47
<maldridge>
hm, I'd have to figure out why dkms is broken for that to work. I think I'll try the X forwarded variant
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06:08
<gehidore>
moin
06:09
<alkisg>
Good morning
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06:13
<gehidore>
considering using ltsp for a small office < 14 clients, with Arch Linux
06:13
<alkisg>
Many distros do not support ltsp, so it would be best to use one of the ones that do
06:14
Otherwise you'd have to maintain it yourself...
06:14
Debian-based ones support it, and also opensuse supports an ltsp variant
06:15
<gehidore>
oh I don't mind maintaining, I'm just a bit confused as to some aspects of what is actually contained in, what I thought was, source files.
06:15
<alkisg>
!ltsp-source
06:15
<ltsp>
ltsp-source: at http://bazaar.launchpad.net/~ltsp-upstream/ltsp/ltsp-trunk/files
06:15
<alkisg>
!ldm-source
06:15
<ltsp>
ldm-source: at http://bazaar.launchpad.net/~ltsp-upstream/ltsp/ldm-trunk/files
06:15
<alkisg>
!ltspfs-source
06:15
<ltsp>
ltspfs-source: at http://bazaar.launchpad.net/~ltsp-upstream/ltsp/ltspfs-trunk/files
06:16
<alkisg>
That's ^ LTSP, but you need to remember that it does have distro-specific code,
06:16
so, since noone has written that for Arch, you would have to write it yourself
06:16
<gehidore>
aye, I was just caught off guard by pulling source files that didn't seem to contain anything to 'build'
06:16
<alkisg>
I.e. being an ltsp maintainer involves writing the distro-specific parts yourself
06:17
<gehidore>
which is fine.
06:17
<alkisg>
LTSP is mostly shell and python, nothing to build there, but LDM and LTSPFS do have .c sources
06:17
LDM is the login manager and ltspfs a file system that we use for thin clients
06:18
<gehidore>
that's what caught me off guard then
06:18
was expecting to actually require some compilation, helps if I look moar closely at the sourcefiles then
06:18
I'll go back to digging around, thanks for the infos alkisg
06:18
<alkisg>
LDM and LTSPFS do need compilation
06:19
I think the wiki does have a few pointers for new maintainers
06:19
http://wiki.ltsp.org/wiki/Packaging
06:19
<gehidore>
it does have pointers, it just appears to be written by a non native english speaker *or* randomly patched together, or I'm lacking more sleep than I thought
06:20
<alkisg>
Are you talking about that ^ one?
06:20
or some other wiki?
06:20
<gehidore>
and the child pages of that page yes.
06:20
<alkisg>
OK, feel free to ask here whatever doesn't make sense
06:20
<gehidore>
just seems I might need to read this in the morning. been a long ass day already
06:20
<alkisg>
And feel free to correct any wiki errors you see
06:21
<gehidore>
aye, that's how I operate, figure this crap out and if I find errors fix em :D
06:21
<alkisg>
have a good night's sleep :)
06:21
<gehidore>
cheers alkisg , thanks for the pointers
06:27
alkisg: before I shut this sucker off, can you answer me a few questions?
06:27
<alkisg>
Shoot
06:28
<gehidore>
for humor lets assume I'm using an already supported debian setup
06:28
<alkisg>
(debian, ubuntu, mint... anything .deb-based)
06:29
<gehidore>
when a client boots will it provide a similar service such as openldap might where any user could log into any client and have access to their /home, or would I still need to come up with something like openldap configuration to make this happen?
06:29
<alkisg>
It works out of the box, you don't need to configure anything
06:29
It uses ssh for authentication and sshfs for /home by default
06:30
To switch e.g. to NFS, you modify 1 line in a configuration file called lts.conf
06:30
<gehidore>
just wanted to make sure I was interpreting what I had read correctly
06:30
and I've forgotten my second question
06:31
<alkisg>
gehidore: you can invest 1 hour to test ubuntu or debian ltsp in a VM
06:31
If it does what you want, then you can try to package it for arch
06:31
<gehidore>
valid point, I shall pull a copy of debian
06:31
<alkisg>
!ltsp-pnp
06:31
<ltsp>
ltsp-pnp: ltsp-pnp is an alternative (upstream) method to maintain LTSP installations for thin and fat clients that doesn't involve chroots: https://help.ubuntu.com/community/UbuntuLTSP/ltsp-pnp
06:31
<alkisg>
I recommend testing that one ^
06:31
<gehidore>
oh there shall be no try, only success is an option :)
06:31
<maldridge>
gehidore: if you want to try ubuntu, I've got ansible playbooks that put it together in about 15 minutes
06:32
<gehidore>
I think I've still got an f20 iso around here somewhere
06:32
sadly the connection here is less than stellar so regardless I'll have to test in the morning, appreciate your help alkisg - and the offer maldridge
06:33
probably be on in the morning bo babble some more - cheers.
06:33
<alkisg>
gehidore: f20 won't work... it's not .deb-based
06:33
Cheers
06:33
gehidore: ah,ltsp-pnp strains your connection less
06:33
Another reason to prefer it
06:34
(it builds the chroot out of the server's root disk, so no additional downloading of packages is necessary)
06:34
<gehidore>
grabbing deb 8.1.0.
06:35
<alkisg>
You'll need the debian-version of the ltsp-pnp how-to then
06:35
<gehidore>
at least on site everything is gigabit and fresh 5e wiring < 90' from my switch
06:35
oh would you suggest ubuntu then? just went for debian cause it was smaller
06:35
<alkisg>
It's a bit more complicated but I'm sure you'll manage
06:35
<gehidore>
fair enough
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06:35
<alkisg>
ubuntu is smaller as it doesn't contain the .deb packages
06:36
<maldridge>
ubuntu uses nbd-server as opposed to nfs, which is slightly faster in my experience
06:36
<alkisg>
Ubuntu 14.04, yup
06:36
bb
06:36
About 5 times faster...
06:36
<maldridge>
alkisg: I'm bringing up pentium 2's and other ancient stuff, the bus speed is my limitation
06:37
<alkisg>
maldridge: mksquashfs compresses the data about 2.5 times, and there's also the squashfs lesser file system overhead, and the nfs chatting overhead ==> measured about 5 times faster disk access
06:38
Pentium 2's do have bus speed issues but for graphics, not for file system
06:38
And 128 MB is the lowest RAM requirement if one has Xorg running
06:38
<maldridge>
TIL, I'll have to swap a 10/100 card into one tomorrow and see if there's a noticable difference
06:39
<alkisg>
!lan-benchmark
06:39
<ltsp>
lan-benchmark: If you have a mixed-speed network (gigabit server<=>switch connection, and 100 Mbits/sec clients<=>switch connections), then you might suffer from the !flow-control issue. To benchmark your LAN with epoptes, see http://www.epoptes.org/documentation/lan-benchmark
06:39
<alkisg>
That's a very easy way to benchmark your network and client net efficiency
06:40
<maldridge>
ah iperf, yeah I should do a check, I've yet to figure out how fast any of this segment runs (my LUG has just been aquiring old hardware as the school got rid of it)
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08:49
<muppis>
alkisg, is this true? http://kuvaton.com/kuvei/greece.jpg
08:50
<alkisg>
muppis: haha, no it's just for laughs
08:50
<muppis>
:D
08:50
<alkisg>
In reality we're only allowed to get up to 60€ from ATMs
08:50
...about to get down to 20 :D
08:51
So only beans for Greeks for the next week...
08:51
<muppis>
Ok. Bummer.
08:52
<alkisg>
muppis: what's the finnish people's feelings about greece?
08:52
Do you generally think "those lazy greeks should shut up and take whatever offer they throw at them", or "they're fighting for a better deal or something"?
08:56
<muppis>
It's more like you're dishonest to obey regulations and follow agreements about economy is dealt in EU.
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08:58
<alkisg>
So in general bad feelings... yup this whole thing costs a lot more than just money + coin + EU
08:58
<muppis>
Yep.
08:59
Latest head line was about how restaurants keeps they cash registers in practice mode when taking receipt for tourists. When receipts are written in greek, how any non-greek speaking could notice that?
09:01
<alkisg>
It's true that corruption exists in many places, but many Greeks are honest hard workers
09:01
<highvoltage>
so true
09:01
<alkisg>
What I haven't seen a good answer for yet, is why did we have to take any loans in the first place (or in general why countries do that)
09:02
Just increase the taxes... don't take loans to get through your 4-year-duty and then leave bigger loans for the next one
09:02
So I'm pretty sure that there are other forces that orchestrate all these things
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12:26
<jammcq>
hey work_alkisg !!
12:29
<highvoltage>
work_alkisg: heh propoganda around the world says that greek people don't want to pay taxes
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12:38
<highvoltage>
https://www.facebook.com/howard.chu0/posts/10153485383116155
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