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


Channel log from 8 April 2016   (all times are UTC)

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02:41
<Rachmat>
morning
02:42
i wont ask about ltsp server
03:09
<vagrantc>
i won't tell if you don't ask
03:17
<Rachmat>
I've installed ubuntu LTSP server in 14.04lts, but when installing the printer on the client computer, the printer does not respone .. and my own configuration in lts.conf whether there are additional configuration?
03:23
<vagrantc>
thin or fat LTSP clients?
03:23
<Rachmat>
LTSP thin Client
03:25
<vagrantc>
how did you configure them in lts.conf?
03:27
<Rachmat>
saya menambahkan perintah di lts.conf [00:11:25:93:CF:00] PRINTER_0_DEVICE=/dev/usblp0
03:28
in accordance with the mac address of each client computer
03:31
<vagrantc>
try /dev/usb/lp0
03:31
i should really fix that... https://bugs.debian.org/795620
03:32
or at least forward it upstream...
03:32
<Rachmat>
I've tried /dev/lp0, /dev/usb/lp0 and /dev/usblp0
03:32
<vagrantc>
hrm.
03:33
it's been a while ... have i ever? ... configuring printers connected to thin clients
03:34
Rachmat: good luck
03:34* vagrantc waves
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03:43
<Rachmat>
What should I do
05:07alkisg_away is now known as alkisg
05:07
<alkisg>
Rachmat: do you have epoptes installed?
05:07
!epoptes
05:07
<ltsp>
epoptes: Epoptes is a computer lab administration and monitoring tool. It works on Ubuntu and Debian based labs with LTSP or non-LTSP servers, thin and fat clients, standalone workstations, NX clients etc. More info: http://www.epoptes.org
06:06
<Rachmat>
I did not install epoptes
06:06
<alkisg>
Rachmat: if you install and configure it, you'll then have easy access to the client, so that we can more easily troubleshoot it
06:09
<Rachmat>
Epoptes only for remote client, but not for printer configuration
06:09
<alkisg>
Yes
06:09
But then I'll be able to ask you to paste e.g. the output of `lsusb` etc
06:09
While now it'll be difficult for you to get root access to the client and try out things
06:10
<Rachmat>
only for remote client, not for printer configuration
06:10
<alkisg>
Yes
06:11
<Rachmat>
ok
06:11
<alkisg>
It helps in printer configuration by allowing admins to run commands
06:11
What is the output of `lsusb` in your thin client root shell?
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06:17
<Rachmat>
sorry just my ltsp server I reformat, I'll try again later installation LTSP Server. Please help later again
06:17
<alkisg>
Follow this tutorial:
06:18
!ltsp-pnp
06:18
<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
06:18
<alkisg>
AFAIK it's the safest and easiest way to install ltsp
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06:45
<alkisg>
glmark2 score without wm: 2058, marco --no-composite: 1894, compiz : 1878, metacity --no-composite: 742, marco --composite: 708, metacity --composite: 441
06:45
So yeah mate sounds like a much better option for ltsp than gnome-flashback...
06:46
unity+compiz is fine for people using only fat clients and have graphics cards that support it though
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08:56
<alkisg>
sbalneav: are you still active in mate-desktop?
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14:12
<semo163>
hi all
14:15
alkisg: After some time of changing different settings on old ltsp server desided to completely reinstall ubuntu 14.04 x64 ltsp 5 pnp server and config it the right way like here https://help.ubuntu.com/community/UbuntuLTSP/ltsp-pnp
14:15
now installed just lubuntu core + libreoffice + firefox
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14:17
<semo163>
alkisg: thank you , I was misundestood the differense between fat and thin ltsp5 pnp setup, now I configured 1 tc as thin client 1 as fat client
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14:19
<semo163>
will see if nbd disconnect (freeze clients) will happen again or not
14:20
I started one tc (fat one) without autologin to prove nbd only disconnects should they happen
14:21
<alkisg>
semo163: nice, hope you don't get any disconnects :)
14:22
<semo163>
how I do hope if You only new :-) ... about 2 weeks of fighting and redeyeing
14:22* alkisg has had 6 months of red eyes in order to get ubuntu 16.04 in shape for ltsp user :)
14:22
<alkisg>
s
14:23
(and 14.04 too...)
14:26
<semo163>
Tough guys .... what to say :-)
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14:29
<semo163>
there will be only one thing to do if disconnects happen - change switch from cisco to dlink (heard that cisco may tear timeouted connections)
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14:31
<alkisg>
Some cisco switches are managed and have an interface to configure some things. I can't imagine how a switch can cause tcp timeouts though.
14:31
Maybe you were using a really old nbd setup, on port 2000, with the tcp wrappers in place...
14:31
Anyway, you'll find out soon enough
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14:45
<sbalneav>
alkisg: Well, not lately, but they want me to be :D
14:45
Need something?
15:04
<alkisg>
sbalneav: gnome-flashback doesn't officially support the non-compositing mode of metacity anymore, while mate->marco does (it's 3-5 times faster), and I was pondering if we should be proposing it as the best DE for LTSP...
15:05
So far we (LTSP, edubuntu...) were proposing gnome-flashback, but without a non-compositing WM old PCs will have a hard time with it
15:06
<sbalneav>
We're running MATE here at Legal Aid Manitoba.
15:06
<alkisg>
So if you're at least using mate as well, it'll... right :)
15:06
<sbalneav>
As far as I'm concerned, MATE is the best desktop, period
15:06
<alkisg>
It'll be good to have another ltsp dev using mate
15:07
<sbalneav>
Good old Gnome2 struck just the right balance of configurability, performance, and good looks, as far as I'm concerned.
15:07
<alkisg>
Are you using ubuntu mate 14.04? Or debian?
15:07
<sbalneav>
Debian.
15:07
<alkisg>
Very nice
15:08
<sbalneav>
What attracted me to the project was the goal of just keeping gnome2 looks and functionality, but *fixing the bugs*. One of the first bugs I fixed in MATE was one that bugged me for ages.
15:08* alkisg will reformat his work PC with mate 16.04 tomorrow, and hopefully get whatever fixes are needed in ltsp in time for 16.04 :)
15:09
<alkisg>
I tried it some months ago, and after solving various issues, I think I only had files association issues, keyboard layout issues and mate-panel instability issues left
15:09
<sbalneav>
And mate-panel got some major lovin' recently.
15:09
<alkisg>
...which is minor compared to the gnome-flashback 16.04 issues that I had to work around the last few months...
15:10
<sbalneav>
MATE, for the most part, *just works*.
15:10
And it works WELL on thin clients.
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17:22
<gehidore>
alkisg: seems not for reasonable prices, can get the same apu on an asrock with a slightly different configuration for 6USD more
17:49
<metaf5>
Hi, is there more up-to-date doc about localapps than https://wiki.ubuntu.com/LTSPLocalAppSetup ? In particular I'm curious about what ltsp-localappsd does and how I can check whether or not something is running as a local-app.
17:57
<alkisg>
metaf5: did you install using the ltsp-pnp tutorial?
17:59
<metaf5>
No. I just did "ltsp-build-client --arch-i386 --fat-client" then chrooted and installed the wannabe-localapps.
17:59
It *seems* to work... for instance Eclipse is not installed on the server, but the clients can run it.
18:00
But I don't really know what's happening behind the scenes, and it's not presently being called with "ltsp-localapps eclipse" since ltsp-localapps isn't in the i386 chroot.
18:01
<alkisg>
If you open a terminal in a thin client, it says: user@server
18:01
<metaf5>
I found "ltsp-localapps" in /usr/bin on the server, and I'm wondering if I should copy it in? But I also noticed that the client is already running ltsp-localappsd which I haven't been able to find doc for.
18:01
<alkisg>
Meaning it's running on the server
18:01
<metaf5>
It actually says "user@ltsp20"
18:01
<alkisg>
There, if you run `ltsp-localapps xterm`, you'll get another terminal, that will say "user@ltsp123"
18:01
That means it runs locally
18:01
Now on the fat clients you start with user@ltsp123, i.e. things already run locally
18:02
And if you enable it in lts.conf, you can run ltsp-remoteapps xterm, and open an xterm at user@server
18:02
You can check where things are running by checking ps and the hostname in the terminal where you see the process
18:03
<metaf5>
Ah, okay. So I don't actually have to use "ltsp-localapps eclipse" to start eclipse locally if it's already a fat client. This was easier than I thought!
18:03
<alkisg>
Yup
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18:04
<metaf5>
Excellent. Thanks. So out of curiousity, what is "ltsp-localappsd" doing?
18:06
<alkisg>
It's a way for ltsp-localapps, running on the server, to communicate with the client, and ask it to launch something on the client itself
18:06
It uses Xorg properties (xprop) to communicate
18:06
It's an implementation detail, if we were using ssh sockets we wouldn't need that
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23:17
<BassetFever>
Hey guys, I'm a student who setup LTSP as a proof of concept for a organization I work for. I'm debating installing a clustering solution however im worried about breaking everything, what are the high level steps required? Is the clustering controller a separate appliance or a appliance installed on each host? Is it like a domain controller environment like setup of sorts? Thanks alot, I just don't know where to start.
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