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


Channel log from 27 May 2016   (all times are UTC)

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01:19
<rac_>
ltsp client often does not respond, because the specifications of the client computer is too low,
01:19
what LTSP client computer may still read the specifications of the computer server not the client computer specs
01:20
I experienced this problem, anyone can help?
01:29
<sbalneav>
What kind of client do you have?
01:31
<rac_>
What does it mean ? I apologize new users LTSP
01:32
many that I can not understand about ltsp
01:32
LTSP PNP
01:32
<sbalneav>
What kind of computer do you have for the client?
01:32
What processor?
01:32
How much memory?
01:32
etc.
01:40
<rac_>
memory : 1G
01:41
Processor : AMD Sempron 145,
01:42
spec on the client
01:42
<sbalneav>
What desktop are you running?
01:44
<rac_>
gnome-flashback-metacity
01:44
<sbalneav>
rac_: If you want me to help you, you need to answer a bit faster, as I'm pushed for time.
01:45
I'd say at a minimum you need more memory.
01:45
Your processor's 2.8 gig, but only one core. Depending on what you're doing, it may be ok.
01:46
Consider running a lighter-weight desktop, like XFCE or Mate Desktop.
01:46
Those are my suggestions.
01:48
<rac_>
what might be on the client computer ltsp reading specs on the server
01:48
so do not have to use the spec high in client
01:49
<sbalneav>
You'd have to run the programs on the server
01:49
Have them display on the client.
01:49
That's how I run LTSP.
01:50
Mate Desktop runs on the client, but Firefox, Icedove, and Libreoffice run on the server.
01:50
<rac_>
because too many low-spec computers in my place, so I might not upgrade all computers
01:51
LibreOffice, Firefox, google Chrome, Thunderbird,
01:51
I run in the client program LTSP
01:51
<sbalneav>
That's probably why things are slow, with only 1 gig of ram.
02:03
<rac_>
but on my server using a 16G Ram
02:04
<sbalneav>
How many clients?
02:04
<rac_>
10 Client
02:05
<sbalneav>
So, run the 4 main programs on the server then.
02:06
<rac_>
yes
02:06
what might be on the client computer ltsp reading specs on the server
02:07
<sbalneav>
I don't know what you mean.
02:12
<rac_>
so the client computer does not read the spec client computer, but read the computer server spec
02:14
<sbalneav>
just ssh into the server
02:14
<rac_>
before I ever use in Ubuntu LTSP 10.04Lts, but on the client computer reads the computer server spec
02:15
https://fieyanh.blogspot.co.id/2012/07/cara-sederhana-dan-mudah-install-ltsp.html
02:15
this tutorial
02:16
<sbalneav>
Yes, if you have a *thin* client, you'll see the server's spec.
02:16
But you're running PNP, so you're running as a fat client.
02:16
So you're seeing the client's spec.
02:17
<rac_>
how to be using the thin client
02:17
<sbalneav>
... set up the server as a thin client server :D
02:17
i.e. don't use PNP :D
02:18
<rac_>
is there a tutorial
02:18
<sbalneav>
Sure, at LTSP.org
02:19
I gotta run.
02:20
cya
02:21
<rac_>
more spesifik tutorial,
02:25
I never use the tutorial ltsp thin client, but when booting client error "TFTP Time Out"
02:26
What this problem ?
02:27
PXE-E11 : ARP timeout PXE-E38 : ARP timeout PXE-M0F TFTV cannot open Connection
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07:44
<aaran>
Hi, I am looking for up to date information on setting up a diskless environment, I can find documentation on thin client environments but not diskless environments, can anyone help out with this? Thanks
07:47
<alkisg>
aaran: what's the difference between thin and diskless in your view?
07:47
!ltsp-pnp
07:47
<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
07:47
<alkisg>
This is a good guide, if it fits your needs. What are your requirements?
07:47
<aaran>
Hi, thin would be using the server for computational power
07:48
diskless would be using the local hardware
07:48
<alkisg>
OK we call that "ltsp fat clients" here
07:48
ltsp-pnp supports both thin and fat clients automatically
07:48
Old computers use the server ram/cpu, newer (more than 400 MB RAM by default) use their own
07:49
<aaran>
ohhh ok, let me read up on this then
07:49
thanks for the info
07:49
<alkisg>
np
07:50
aaran: btw, how many clients, what specs (cpu/ram), which distro do you want to use?
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08:30
<aaran>
around 200 clients (imacs) in a triple boot windows/linux/osx configuration
08:30
Distro would be either centos or ubuntu not sure which yet that needs more research
08:47
<alkisg>
aaran: if you choose to use ltsp, go for ubuntu, because there's no centos maintainer for ltsp
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10:32
<aaran>
alkisg: I noticed that you are listed as the maintainer of https://help.ubuntu.com/community/UbuntuLTSP/ltsp-pnp , is that page still up to date?
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12:22
<alkisg>
aaran: yup, it's up to date. I'm also an ltsp developer btw.
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12:50
<foo1>
hi
12:52
someone who did overcome an tftp open timeout?
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13:23
<testo>
hi all :)
13:23
need an hint.. LTSP on centos server, client boot ok , i get to ldm
13:24
when i login with a previously created user (on the server) i got a : ltsp-localappsd Unknown user in client messages
13:24
and ldm on client restart
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13:57
<foo1>
hi?
13:58
ok i solved tftp timeout, im dealing now with pxelinux, he cant find ldlinux.c32
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14:19
<budgee>
Using the ltsp-pnp instructions on 16.04 MATE:
14:19
root@server:~# ltsp-client ldm-ubuntu-theme
14:19
ltsp-client: command not found
14:19
root@server:~# ltsp-client ldm-ubuntu-theme
14:19
ltsp-client: command not found
14:19
(woops)
14:28
<sbalneav>
budgee: dpkg -l | grep ltsp
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14:54
<budgee>
root@server:~# dpkg -l | grep ltsp
14:54
ii ltsp-client 5.5.7-1 i386 complete LTSP client environment
14:54
ii ltsp-client-core 5.5.7-1 i386 basic LTSP client environment
14:54
ii ltsp-docs 1.2-1 all LTSP Documentation
14:54
ii ltsp-server 5.5.7-1 all basic LTSP server environment
14:55
ii ltsp-server-standalone 5.5.7-1 all complete LTSP server environment
14:55
ii ltspfs 1.4-2 i386 Fuse based remote filesystem for LTSP thin clients
14:55
ii ltspfsd 1.4-2 all Fuse based remote filesystem hooks for LTSP thin clients
14:55
ii ltspfsd-cor
14:55
ii ltspfsd-core 1.4-2 i386 Fuse based remote filesystem daemon for LTSP thin clients
14:55
ii ltspfsd-core 1.4-2 i386 Fuse based remote filesystem daemon for LTSP thin clients
15:01
root@server:~# /usr/share/ltsp/update-kernels
15:01
Skipping yaboot configuration. install yaboot package if you need it.
15:01
When I followed the ltsp-pnp instructions on amd64, these errors did not happen
15:02
<alkisg>
budgee: see the wiki page:
15:02
!ltsp-pnp
15:02
<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
15:02
<alkisg>
Nowhere there does it say to run an "ltsp-client" command
15:03
<budgee>
alkisg: I have no idea where the heck that came from
15:05
alkisg: scrap that, I know exactly where it came from
15:05
<alkisg>
budgee: if you have an issue with your ltsp installation, you should probably ask again from the start; I've no idea what your issue is
15:06
Are you trying to run an ltsp-client command? (that doesn't exist...)
15:06
<budgee>
alkisg: somehow introduced a linebreak at ^ in : apt-get --yes --install-recommends install dnsmasq ltsp-server-standalone ^ ltsp-client ldm-ubuntu-theme
15:06
<alkisg>
Ah
15:07
<budgee>
alkisg: any idea why this command "/usr/share/ltsp/update-kernels" produced this error:
15:08
root@server:~# /usr/share/ltsp/update-kernels
15:08
Skipping yaboot configuration. install yaboot package if you need it.
15:08
Skipping etherboot images. Install the mkelfimage package if you need them.
15:08
<alkisg>
Those are notices, not errors
15:08
<budgee>
Oh right
15:08
Moving on then...
15:09
I used the first of the two dnsmasq fixes - crazy the approach that maintainers have taken to that issue - you've bene fighting the good fight there
15:10
<alkisg>
A losing fight, but oh well at least we have workarounds :)
15:11
<budgee>
alkis: currently building image, all going well.
15:15
<aaran>
hi, trying to run apt-get install epoptes as shown the in ltsp-pnp guide is failing due to the dns
15:15
is that where the "DNS issues" section comes in?
15:18
<alkisg>
aaran: if you can't ping www.google.com, then follow the steps to fix your dns
15:18
<aaran>
Yep, I did I chose the 2nd method
15:18
<alkisg>
Installing epoptes is usually done before dns breaks...
15:19
And your dns is still broken?
15:19
<budgee>
aaran: copy/paste of the first method's block of commands worked a treat for me.
15:19
<aaran>
Nope its fixed now thanks
15:19
<alkisg>
OK
15:19
I've recently tested both methods in 16.04, they shouldn't have any issues
15:20
<aaran>
Ok, regarding the line "Also, it's suggested that you install on your server any programs that you want to make available to fat clients. " what is the reasoning behind this? and if I wanted to serve up a desktop would I need to install one on the server too?
15:20
<alkisg>
In ltsp-pnp, the server is a template client
15:21
It has all the things that you want them to appear in fat clients
15:21
And as it says, you start using the desktop iso
15:21
So you already have a desktop environment...
15:22
<aaran>
yeah, I was just messing around with an install of the only img I had burnt to a dvd which was a ubuntu server, but I will try using a desktop later
15:23
<alkisg>
Then you'll need to e.g. install ubuntu-mate-desktop in it
15:23
And run ltsp-update-image again
15:25
<aaran>
Im doing that right now :)
15:58
<budgee>
Is this to be ignored as a warning as well?
15:58
root@server:~# xdg-open /var/lib/tftpboot/ltsp/i386/lts.conf
15:58
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/%{ <-- HERE (.*?)}/ at /usr/bin/run-mailcap line 528.
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17:20
<||cw>
budgee: not ltsp related, but a mailcap. appears fixed in debian, if it's cauing issues open a bug report in launchpad
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19:48
<sbalneav>
Well, as of a few minutes ago, pam_external acheived pam completeness. I've got all pam functions represented. It should be possible to write a complete pam module as a set of scripts in any scripting language you choose.
19:50
<||cw>
interesting
19:51
<sbalneav>
Or, of course, as compiled programs in the language of your choice.
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20:46
<sbalneav>
https://code.launchpad.net/~ltsp-upstream/+git/pamexternal-sshauth
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21:32
<alkisg>
sbalneav: how does that work? Is it a standalone python script, that works as a pam module, and allows us to run scripts during the auth phase etc?
21:34
Ah no that was the external plugin :)
21:39* alkisg reads https://github.com/sbalneav/libnss-external ...
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22:32
<sbalneav>
alkisg: No, that's the pam plugin
22:33
pam-external + that script = 80% of pam-sshauth
22:33
I can do the remaining 20%
22:33
And then I'll do even more :D
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