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


Channel log from 9 February 2016   (all times are UTC)

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08:18
<blondie>
hi!
08:33
<alkisg_away>
Hello blondie
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08:36
<blondie>
I'm setting up a small computer classroom with ltsp
08:36
Now I'd like to add a WLAN AP to the network but I'm not sure how
08:37
here's the current wiring: https://awwapp.com/b/ulsyptymk/
08:37
I don't know much about networking
08:38
<alkisg_away>
So the question is not related to ltsp at all, but on how to setup a wireless access point?
08:39
<blondie>
I'm not sure. I think something more is required bc of ltsp
08:40
<alkisg_away>
The AP there is for non-LTSP clients to get connected to the network+internet, right?
08:41
<blondie>
I tried adding the wireless router in /etc/ltsp/dhcpd.conf as a router but then the dhcp server stopped working
08:41
that's right
08:41
dhcp is disabled in the wlan ap device
08:42
<alkisg_away>
Then no, it's not related to ltsp at all, you don't need to configure anything from the ltsp side
08:42
I assume you already have the dhcp server in your ltsp server and the ltsp clients boot fine, right?
08:42
<blondie>
ok
08:42
yep
08:43
<alkisg_away>
So yup as long as the AP doesn't have a dhcp server running and is in bridge mode, it should work fine
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08:44
<blondie>
ok
08:44
in general, would it be better to connect the LTE stick to the router and then connect the router to 10/100 eth card in the server?
08:45
in the current setup it's possible to filter network traffic though
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08:49
<alkisg_away>
It depends on your needs, speed-wise it doesn't matter much, but you could e.g. use the ltsp server to restrict any internet traffic if you had the router on the other server NIC
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08:58
<blondie>
right, thanks
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15:37
<staffencasa>
can anyone help me with a problem? I've installed LTSP on Ubuntu 15.10 and I cannot get a client to connect. Right off the bat, I had to fix DHCP, then TFTP, but now I'm not sure where to look next. I get an error right after pxelinux 6.03 shows up that says overlayfs: missing 'workdir'. it then goes to (initramfs) and waits
16:02brentb has joined IRC (brentb!32f78141@gateway/web/freenode/ip.50.247.129.65)
16:02
<brentb>
good morning
16:04
<||cw>
staffencasa: installed how? which guide are you following? fix how?
16:06
<staffencasa>
apt-get install ltsp-server-standalone. I didn't follow a guide. For the server, isc-dhcp-server doesn't run at startup, so I have to start the service
16:07
I setup ltsp a really long time ago and now am trying to start from scratch
16:08
possibly worth noting that I also created a client (ltsp-build-client --kiosk)
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16:11
<alkisg>
staffencasa: ltsp in ubuntu is broken, you need the greek schools ppa in your sources:
16:11
!greek-schools-ppa
16:11
<ltsp>
greek-schools-ppa: https://launchpad.net/~ts.sch.gr/+archive/ppa/ supports LTS Ubuntu releases with newer LTSP versions, bug fixes etc
16:11
<alkisg>
Put it in both your server and chroot sources, update etc
16:12
<staffencasa>
okay, I'll start there, thanks for the guidance
16:13
<alkisg>
The problem was that overlayfs got upstream in the kernel, and the syntax was changed from the previous overlayfs implementation as it was in ubuntu, so I updated ltsp but ubuntu 15.xx couldn't get a new version
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16:25
<brentb2>
My manager suprised me with a new requirement for our ltsp implimentation.
16:25
I tried to accomodate, but am running into issues.
16:25
The people on the floor need a program called eDrawings
16:25
I found that there is no linux version, or alternative
16:26
I tried installing wine, and then installing eDrawings but it is failing to install eDrawings
16:27
after looking into this, I found out I am supposed to install wine as the local user only, not root. This lead me to question how the client image is created
16:27
Am I able to get wine on the client image?
16:29
(background: ltsp-pnp installed on ubuntu 14.04. PowerBroker used to authenticate via Active Directory)
16:30
<||cw>
brentb2: would you still be trying to run edrawing on the server or are you using fat clients?
16:31
<brentb2>
I currently setup using fat client, tried the thin, but it was painfully slow
16:31
took ~4-5 seconds to load everything
16:31
<||cw>
so fat clients. been a while since I've done wine, but as I recall you install the packages, then each user runs a setup process, then you install software for each user
16:31
<maldridge>
That is more or less correct, the long standing issue with wine is that there is no multi user mode
16:32
<alkisg>
brentb2, usually programs that don't run in wine can be fixed by installing the real version of some windows DLLs, overriding the wine ones
16:32
<brentb2>
oh, iit makes sense to install individually since they are fat...
16:32
<alkisg>
Then if the program can be run like a portable app (with a plain copy after setup), you can put it in /usr/share
16:32
So then you no longer need per-user installation
16:32
We've packaged about 20 GB of windows apps this way... created .deb out of them etc
16:33
<brentb2>
hmm, solidworks seems kind of stingy. not sure if edrawings is portable
16:33
<||cw>
but from what i know of edrawings, good luck running it in wine. wineHQ says the 2010 version runs well, but 2013 does not.
16:33
<maldridge>
brentb2: almost certainly not, it changes things in the registry
16:33
<alkisg>
When programs are installed per user, it doesn't make a difference between thin or fat, it's per user, not per machine
16:34
<brentb2>
Yeah, this might be a project killer for us. They are adiment that they need eDrawings
16:34
<alkisg>
You could probably hire someone at wine to make it run for you
16:34
<maldridge>
brentb2: does it have to be eDrawings, or just something that can read that file format? the parasolid kernel is a well understood format and there are plenty of native programs if all you want to do is look at the files
16:35
<brentb2>
it has to be able to read the files from solidworks and calculate new dimensions from the drawing
16:36
<maldridge>
pretty sure draftsight will do that, and it has a native linux build
16:36
<alkisg>
If you end up needing windows AND netbooting, it's possible to provide windows VMs over ltsp, like SCREEN_07=virtualbox xxx.vdi (you'd need to write a small script though)
16:37
<brentb2>
draftsight is only 2d isnt it?
16:37
I can double check with production, but I think they are using 3d models. I could push them to do a process change and work off 2d...
16:38
<maldridge>
brentb2: I just went to alternativeto and hit the first link that came up, a more in depth search is sure to find a better option
16:38
<alkisg>
https://appdb.winehq.org/objectManager.php?sClass=version&iId=28310 says it runs fine but crashes on print
16:38
<maldridge>
alternatively, I'd give eDrawings a try, wine has improved substantially in the last year
16:41
<brentb2>
I will try installing wine again, this time from the user-end and then try eDrawings one more time.
16:42
if that fails I will see if draftsight will work.
16:42
<maldridge>
in general, wine gets installed normally by root, then you install things into wine as a user
16:43
<brentb2>
oh
16:43
maybe I misread that. I thought someone said to install per user
16:43
wine itself
16:44
<maldridge>
ah, not quite, wine has per-user things that it creates when you run it, but wine itself is system-wide
16:44
<brentb2>
so: sudo apt-get install wine
16:44
and then from user side: winecfg?
16:45
<maldridge>
you should be able to install wine with apt, then as a user run your program's installer
16:47
<brentb2>
do you guys recommend that "playonlinux" or just installing via: wine /filepath/program.exe
16:47
<alkisg>
Double click on setup.exe from nautilus
16:47
<brentb2>
really o.o
16:47
<maldridge>
try it with wine first, playonlinux is extra hassle
16:47
<brentb2>
I didnt know you could just double click them >.<
16:47
<alkisg>
If things don't run well, then try winetricks (it's a command)
16:48
<brentb2>
dont you need parameters with winetricks?
16:48
<alkisg>
No, it shows a menu
16:48
You can use parameters if you don't like menus...
16:48
<brentb2>
gah, I am so new....
16:48
<maldridge>
we all started somewhere
16:51
<brentb2>
so I have a more broad question... I am new in the realm of vms, thin/thick clients. When someone network boots to ltsp, where is their profile saved?
16:51
for a thick client
16:52
<alkisg>
always in /home
16:52
Whether he works in the server, in a thin or fat client, or without ltsp\
16:53
<brentb2>
on the ltsp server /home?
16:53
<alkisg>
yup
16:53
<maldridge>
hopefully you back that up, as you can see it is quite important
16:53
<alkisg>
You don't have any other /home, that's the only one
16:54
<brentb2>
so even with a "thick" client, everything is stored on the ltsp server
16:54
thick just means processing is performed locally for the client, right?
16:54
<maldridge>
yup, thick vs. thin describes only how much runs on the client
16:54
<brentb2>
aha
16:55
umm "Incompatable PAM profiles selected"
16:55
<maldridge>
that's quite special, and probably related to powerbroker
16:55
you should have an option to just leave them be
16:55
<brentb2>
that is what i gathered from my search
16:55
oh?
16:56
someone said they uninstalled the winbind
16:56
but I am more than happy to leave it alone
16:56
<maldridge>
if your setup works, best not to mess with pam
16:56
<brentb2>
the only option in that window was <ok>
16:57
<maldridge>
I see
16:57
<brentb2>
it finished the installation
16:58
but winecfg threw some errors
16:58
<maldridge>
anything that was an actual error? or was it just a lot of "fixme" messages
16:59
<brentb2>
1 fixme, 4 errors, then 4 more fixme
16:59
err:mscoree:LoadLibraryShim error reading registry key for installroot
17:00
that was repeated 4 times
17:01
<maldridge>
does the output in the first post of this thread look similar? https://bbs.archlinux.org/viewtopic.php?id=139071
17:04
<brentb2>
similar
17:04
there is a page I can post multiple lines into right/
17:04
<alkisg>
!pastebin
17:04
<ltsp>
pastebin: the LTSP pastebin is at http://ltsp.pastebin.com. Please paste all text longer than a line or two to the pastebin, as it helps to reduce traffic in the channel. Don't forget to paste the URL of the text here.
17:06
<brentb2>
http://pastebin.com/qpzdiFMd
17:06
bookmarked that.
17:06
<alkisg>
wine in general shows a lot of such errors, ignore them as long as the program runs ine
17:06
fine
17:06
Also, you don't need to manually run winecfg if it runs fine
17:07
<brentb2>
oh?
17:07
<maldridge>
winecfg will modify the defaults, its best to always try without it first
17:08
<alkisg>
Usually to install a program in wine you don't open a terminal at all
17:08
You run setup.exe from nautilus and then open the program from the gnome wine menu
17:08
If it fails, then you start googling and using terminals etc
17:08
<brentb2>
just for clarification, nautilus is the file browser right?
17:08
<alkisg>
Yes
17:10
mscoree if I remember well is the dotnet framework, if the program you're trying to use requires it and doesn't install it properly, you can then use winetricks to install dot net
17:10
Again, only if it fails
17:10
<brentb2>
"eDrawings 2016 x64 requires Windows 7 or 8.1"
17:11
<maldridge>
alkisg: does ubuntu's wine not autoinstall that yet?
17:11
<alkisg>
I don't think so, no
17:11
<brentb2>
I remember running the winecfg and changing the default from windows xp to windows 7 last time
17:12
<maldridge>
hm, it will be nice when that gets updated. Most recent version autoinstalls all this stuff and all the mono stuff as well
17:12
<brentb2>
is that right?
17:12
<alkisg>
Sure, that's a reason to run winecfg, to select a specific windows version...
17:12
maldridge: it autodownloads it from ms?
17:12
Maybe you're talking about the mono emulation?
17:12
That doesn't run many apps properly
17:12
So winetricks downloads the MS one from its servers, it can't be redistributed
17:13
<maldridge>
alkisg: it pulls them from either thier original sources, or from wine project sources
17:14
<brentb2>
"The wizard was interrupted before eDrawings 2016 x64 could be installed"
17:14
<alkisg>
maldridge: the method I know, winetricks, downloads msdotnet20.exe from MS as the user, it can't be downloaded and packaged into a .deb and redistributed
17:14
<brentb2>
no error code
17:15
<alkisg>
brentb2, running a specific app under wine is not really ltsp related, I think you would get more support (and be more on topic) in the #winehq channel
17:16
They'll probably tell you to install dotnet with winetricks before installing edrawings, if it's a dot net app
17:17
<brentb2>
Alright, I will check over there, thank you
17:17
<alkisg>
np
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17:23
<maldridge>
alkisg_away: it isn't packaged, it just does the download and install automatically instead of needing the user to go through winetricks
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