IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 9 February 2016 (all times are UTC)
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| 08:18 | <blondie> hi!
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| 08:33 | <alkisg_away> Hello blondie
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| 08:36 | <blondie> I'm setting up a small computer classroom with ltsp
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| 08:36 | Now I'd like to add a WLAN AP to the network but I'm not sure how
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| 08:37 | here's the current wiring: https://awwapp.com/b/ulsyptymk/
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| 08:37 | I don't know much about networking
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| 08:38 | <alkisg_away> So the question is not related to ltsp at all, but on how to setup a wireless access point?
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| 08:39 | <blondie> I'm not sure. I think something more is required bc of ltsp
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| 08:40 | <alkisg_away> The AP there is for non-LTSP clients to get connected to the network+internet, right?
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| 08:41 | <blondie> I tried adding the wireless router in /etc/ltsp/dhcpd.conf as a router but then the dhcp server stopped working
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| 08:41 | that's right
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| 08:41 | dhcp is disabled in the wlan ap device
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| 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
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| 08:42 | I assume you already have the dhcp server in your ltsp server and the ltsp clients boot fine, right?
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| 08:42 | <blondie> ok
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| 08:42 | yep
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| 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
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| 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?
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| 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
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| 16:02 | <brentb> good morning
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| 16:04 | <||cw> staffencasa: installed how? which guide are you following? fix how?
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| 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
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| 16:07 | I setup ltsp a really long time ago and now am trying to start from scratch
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| 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:
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| 16:11 | !greek-schools-ppa
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| 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
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| 16:11 | <alkisg> Put it in both your server and chroot sources, update etc
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| 16:12 | <staffencasa> okay, I'll start there, thanks for the guidance
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| 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.
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| 16:25 | I tried to accomodate, but am running into issues.
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| 16:25 | The people on the floor need a program called eDrawings
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| 16:25 | I found that there is no linux version, or alternative
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| 16:26 | I tried installing wine, and then installing eDrawings but it is failing to install eDrawings
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| 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
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| 16:27 | Am I able to get wine on the client image?
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| 16:29 | (background: ltsp-pnp installed on ubuntu 14.04. PowerBroker used to authenticate via Active Directory)
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| 16:30 | <||cw> brentb2: would you still be trying to run edrawing on the server or are you using fat clients?
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| 16:31 | <brentb2> I currently setup using fat client, tried the thin, but it was painfully slow
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| 16:31 | took ~4-5 seconds to load everything
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| 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
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| 16:31 | <maldridge> That is more or less correct, the long standing issue with wine is that there is no multi user mode
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| 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
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| 16:32 | <brentb2> oh, iit makes sense to install individually since they are fat...
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| 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
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| 16:32 | So then you no longer need per-user installation
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| 16:32 | We've packaged about 20 GB of windows apps this way... created .deb out of them etc
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| 16:33 | <brentb2> hmm, solidworks seems kind of stingy. not sure if edrawings is portable
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| 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.
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| 16:33 | <maldridge> brentb2: almost certainly not, it changes things in the registry
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| 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
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| 16:34 | <brentb2> Yeah, this might be a project killer for us. They are adiment that they need eDrawings
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| 16:34 | <alkisg> You could probably hire someone at wine to make it run for you
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| 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
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| 16:35 | <brentb2> it has to be able to read the files from solidworks and calculate new dimensions from the drawing
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| 16:36 | <maldridge> pretty sure draftsight will do that, and it has a native linux build
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| 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)
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| 16:37 | <brentb2> draftsight is only 2d isnt it?
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| 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...
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| 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
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| 16:38 | <alkisg> https://appdb.winehq.org/objectManager.php?sClass=version&iId=28310 says it runs fine but crashes on print
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| 16:38 | <maldridge> alternatively, I'd give eDrawings a try, wine has improved substantially in the last year
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| 16:41 | <brentb2> I will try installing wine again, this time from the user-end and then try eDrawings one more time.
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| 16:42 | if that fails I will see if draftsight will work.
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| 16:42 | <maldridge> in general, wine gets installed normally by root, then you install things into wine as a user
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| 16:43 | <brentb2> oh
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| 16:43 | maybe I misread that. I thought someone said to install per user
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| 16:43 | wine itself
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| 16:44 | <maldridge> ah, not quite, wine has per-user things that it creates when you run it, but wine itself is system-wide
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| 16:44 | <brentb2> so: sudo apt-get install wine
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| 16:44 | and then from user side: winecfg?
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| 16:45 | <maldridge> you should be able to install wine with apt, then as a user run your program's installer
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| 16:47 | <brentb2> do you guys recommend that "playonlinux" or just installing via: wine /filepath/program.exe
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| 16:47 | <alkisg> Double click on setup.exe from nautilus
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| 16:47 | <brentb2> really o.o
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| 16:47 | <maldridge> try it with wine first, playonlinux is extra hassle
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| 16:47 | <brentb2> I didnt know you could just double click them >.<
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| 16:47 | <alkisg> If things don't run well, then try winetricks (it's a command)
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| 16:48 | <brentb2> dont you need parameters with winetricks?
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| 16:48 | <alkisg> No, it shows a menu
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| 16:48 | You can use parameters if you don't like menus...
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| 16:48 | <brentb2> gah, I am so new....
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| 16:48 | <maldridge> we all started somewhere
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| 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?
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| 16:51 | for a thick client
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| 16:52 | <alkisg> always in /home
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| 16:52 | Whether he works in the server, in a thin or fat client, or without ltsp\
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| 16:53 | <brentb2> on the ltsp server /home?
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| 16:53 | <alkisg> yup
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| 16:53 | <maldridge> hopefully you back that up, as you can see it is quite important
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| 16:53 | <alkisg> You don't have any other /home, that's the only one
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| 16:54 | <brentb2> so even with a "thick" client, everything is stored on the ltsp server
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| 16:54 | thick just means processing is performed locally for the client, right?
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| 16:54 | <maldridge> yup, thick vs. thin describes only how much runs on the client
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| 16:54 | <brentb2> aha
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| 16:55 | umm "Incompatable PAM profiles selected"
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| 16:55 | <maldridge> that's quite special, and probably related to powerbroker
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| 16:55 | you should have an option to just leave them be
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| 16:55 | <brentb2> that is what i gathered from my search
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| 16:55 | oh?
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| 16:56 | someone said they uninstalled the winbind
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| 16:56 | but I am more than happy to leave it alone
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| 16:56 | <maldridge> if your setup works, best not to mess with pam
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| 16:56 | <brentb2> the only option in that window was <ok>
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| 16:57 | <maldridge> I see
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| 16:57 | <brentb2> it finished the installation
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| 16:58 | but winecfg threw some errors
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| 16:58 | <maldridge> anything that was an actual error? or was it just a lot of "fixme" messages
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| 16:59 | <brentb2> 1 fixme, 4 errors, then 4 more fixme
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| 16:59 | err:mscoree:LoadLibraryShim error reading registry key for installroot
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| 17:00 | that was repeated 4 times
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| 17:01 | <maldridge> does the output in the first post of this thread look similar? https://bbs.archlinux.org/viewtopic.php?id=139071
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| 17:04 | <brentb2> similar
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| 17:04 | there is a page I can post multiple lines into right/
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| 17:04 | <alkisg> !pastebin
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| 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.
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| 17:06 | <brentb2> http://pastebin.com/qpzdiFMd
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| 17:06 | bookmarked that.
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| 17:06 | <alkisg> wine in general shows a lot of such errors, ignore them as long as the program runs ine
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| 17:06 | fine
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| 17:06 | Also, you don't need to manually run winecfg if it runs fine
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| 17:07 | <brentb2> oh?
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| 17:07 | <maldridge> winecfg will modify the defaults, its best to always try without it first
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| 17:08 | <alkisg> Usually to install a program in wine you don't open a terminal at all
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| 17:08 | You run setup.exe from nautilus and then open the program from the gnome wine menu
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| 17:08 | If it fails, then you start googling and using terminals etc
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| 17:08 | <brentb2> just for clarification, nautilus is the file browser right?
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| 17:08 | <alkisg> Yes
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| 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
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| 17:10 | Again, only if it fails
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| 17:10 | <brentb2> "eDrawings 2016 x64 requires Windows 7 or 8.1"
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| 17:11 | <maldridge> alkisg: does ubuntu's wine not autoinstall that yet?
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| 17:11 | <alkisg> I don't think so, no
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| 17:11 | <brentb2> I remember running the winecfg and changing the default from windows xp to windows 7 last time
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| 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
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| 17:12 | <brentb2> is that right?
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| 17:12 | <alkisg> Sure, that's a reason to run winecfg, to select a specific windows version...
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| 17:12 | maldridge: it autodownloads it from ms?
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| 17:12 | Maybe you're talking about the mono emulation?
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| 17:12 | That doesn't run many apps properly
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| 17:12 | So winetricks downloads the MS one from its servers, it can't be redistributed
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| 17:13 | <maldridge> alkisg: it pulls them from either thier original sources, or from wine project sources
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| 17:14 | <brentb2> "The wizard was interrupted before eDrawings 2016 x64 could be installed"
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| 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
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| 17:14 | <brentb2> no error code
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| 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
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| 17:16 | They'll probably tell you to install dotnet with winetricks before installing edrawings, if it's a dot net app
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| 17:17 | <brentb2> Alright, I will check over there, thank you
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| 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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