IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 26 November 2014 (all times are UTC)
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| 01:29 | <tkii> is anyone familiar with raspi-ltsp?
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| 01:35 | or berryterminal?
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| 01:37 | <vagrantc> !raspberrypi
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| 01:37 | <ltsp`> raspberrypi: (#1) LTSP with raspberry pi: http://cascadia.debian.net/trenza/Documentation/raspberrypi-ltsp-howto/, or (#2) To use a similar environment to LTSP on the raspberry pi http://berryterminal.com/, or (#3) https://github.com/gbaman/RaspberryPi-LTSP, or (#4) https://pi-ltsp.net
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| 01:38 | <vagrantc> other the the document i wrote, i'm not too familiar with the other options
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| 01:47 | <tkii> I have raspi-ltsp working, berryterminal no matter how i format the card (fat16, fat32, lba, lvm, etc) will not boot. However is there a way to turn raspi-ltsp into a thin client instead of a fat client?
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| 01:48 | <vagrantc> i don't know raspi-ltsp
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| 01:48 | but if it's build sanely, there's no technical reason it couldn't ...
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| 01:49 | <tkii> truly berryterminal would work better, it's a true thin client. I'm still learning the LTSP world so i'm quite fuzzy on a few things.
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| 01:50 | it's just i've only had it boot once, as soon as i edit the cmdline.txt file by adding server=x.x.x.x the card won't boot.
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| 01:51 | <vagrantc> if raspi-ltsp is the same as pi-ltsp.net ...
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| 01:51 | <tkii> same proj
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| 01:51 | <vagrantc> then you'd just need to set LTSP_FATCLIENT=false and make sure to install ldm-server on the server
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| 01:51 | in lts.conf
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| 01:52 | <tkii> :) that was my next question after scanning your #1 article... ldm-server is installed.
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| 01:54 | <vagrantc> though just yesterday i was toying with the rpi and couldn't get new firmware to boot anything but u-boot ... and i think u-boot wasn't initializing the devices properly
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| 01:54 | got all sorts of problems with mmc and usb devices
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| 01:57 | <tkii> that's it, just update the image after changing the lts.conf?
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| 01:58 | that just seems too easy
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| 02:15 | <vagrantc> you shouldn't need to update the image if you put lts.conf in the tftp dir
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| 02:15 | sudo ltsp-config lts.conf
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| 02:15 | should create one for you
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| 02:25 | <tkii> ahh ... yeah just read that. still would like to get berryterminal to boot because it just bugs me that it won't. looks like he last updated his code in dec 2013 and his page sept 2014. guess there isn't much a reason too with pi's until they really change the hardware.
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| 05:21 | ame has joined IRC (ame!75c13994@gateway/web/freenode/ip.117.193.57.148) | |
| 05:21 | <ame> hi i do have have a doubt in running local appa
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| 05:21 | hi i do have have a doubt in running local apps
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| 05:22 | As i have installed firefox and arduino from the location chroot /opt/ltsp/amd64 and i did editing in lts.conf as local_apps=true
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| 05:23 | But i cannot open my application in client computer?Any ideas??
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| 05:24 | I also update the image and rebooted the client
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| 05:25 | <vagrantc> ame: how did you try to open the application?
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| 05:27 | i'd recommend running ltsp-localapps xterm
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| 05:27 | and seeing if you can run your application from there, or if it is even present
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| 05:27 | <ame> where should i do this??
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| 05:27 | In server or client?/
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| 05:29 | I just want my clients to run the application by typing the application name in terminal...
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| 05:31 | <vagrantc> are you running thin or fat clients?
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| 05:32 | <ame> both
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| 05:33 | am having thin clients and also fat clients
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| 05:33 | <vagrantc> and what happens when you type the command from a fat client?
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| 05:33 | <ame> Its eating lot of memory from my server as i am having only 8GB
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| 05:33 | what command??
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| 05:33 | <vagrantc> the command you want to run?
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| 05:34 | <ame> its showing that the applications is not installed
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| 05:34 | <vagrantc> you've been a bit vague, so it's hard to actually help
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| 05:34 | how did you install the application?
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| 05:34 | "21:22 < ame> As i have installed firefox and arduino from the location chroot /opt/ltsp/amd64 and i did editing in lts.conf as local_apps=true"
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| 05:34 | <ame> chroot /opt/ltsp/amd64 and just gave command as apt-get install arduino
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| 05:36 | <vagrantc> on the server: ltsp-chroot dpkg -l arduino
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| 05:36 | from a fat client: dpkg -l arduino
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| 05:36 | should see the same information ... if not, your image didn't get updated.
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| 05:37 | <ame> Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad) ||/ Name Version Description +++-==============-==============-============================================ iU arduino 1:1.0+dfsg-9 AVR development board IDE and built-in libra
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| 05:37 | <vagrantc> it failed to install completely
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| 05:37 | or, rather, it's partially installed
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| 05:38 | <ame> oh sorry but i install in the exact location right??
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| 05:38 | <vagrantc> ?
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| 05:39 | <ame> chroot /opt/ltsp/amd64 is the exact location for installing application to run locally right??
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| 05:39 | <vagrantc> if your clients are amd64, sure, that's the default on an amd64 server.
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| 05:40 | ame: i'd recommend using ltsp-chroot, though.
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| 05:40 | ame: try: ltsp-chroot apt-get -f install
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| 05:41 | it should either finish installing the arduino package, or give you errors about failing to install arduino
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| 05:41 | <ame> yes its showing errors
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| 05:42 | i will clear it
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| 05:42 | and i have one more doubt regarding RAM
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| 05:43 | my server is having 8GB RAM and i have 10 clients like 8 as normal computer with 2GB RAM and 2 as Thin clients with 512 MB RAm
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| 05:43 | <vagrantc> you might want to use "ltsp-chroot -m apt-get -f install" ... that mounts a few additional filesystems (/proc/, /sys/) that some programs need to install successfully.
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| 05:43 | <ame> hwo can i reduce the RAM consumption from my server
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| 05:43 | <vagrantc> depending on what you're running, that should be fine
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| 05:43 | fat clients take very little server resources
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| 05:44 | <ame> Wow its installed now by using -m
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| 05:44 | <vagrantc> once you get everything installed, rebuild the image and try again
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| 05:44 | <ame> If i ask all client to run application locally will my server ok
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| 05:45 | <vagrantc> if you're talking 8 fat clients and 2 thin clients, you should be fine.
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| 05:45 | fat clients essentially run everything locally
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| 05:46 | the thin clients don't sound like they have much ram, though, so you'll probably need to run as much as you can on the server.
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| 05:46 | <ame> From where did this thin clients run applications??
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| 05:46 | <vagrantc> but it really depends on what you're doing...
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| 05:46 | <ame> ok
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| 05:46 | <vagrantc> thin clients run applications on the server, and display them to the client
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| 05:47 | <ame> oh
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| 05:48 | <vagrantc> LOCAL_APPS allows you to run some applications on the client itself, but it's more complicated than running everything locally, if you have the client hardware (2G of ram should be good)
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| 05:48 | i'm guessing the arduino application may need access to the arduino board directly?
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| 05:49 | in that case, you may need to run it on the thin clients too.
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| 05:50 | <ame> Yes i have 2GB of RAM in all clients except those two thin clients
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| 05:51 | And i have fully installed the arduino and updated the image...
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| 05:51 | And also i rebooted the client but still i cannot open arduino and its saying please install the application
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| 05:51 | <vagrantc> so you should be able to access it on the fat clients, and on the thin clients, you can run "ltsp-localapps arduino" if it's a GUI program
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| 05:52 | if it's not a GUI program, you'll need to run: ltsp-localapps xterm
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| 05:52 | and run arduino in the xterm
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| 05:53 | ame: what's saying "please install the application" ?
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| 05:53 | <ame> yes its opening if i give ltsp-localapps arduino
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| 05:54 | How can i make it run by just giving arduino
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| 05:54 | <vagrantc> you write a wrapper script that runs "ltsp-localapps arduino" and put it in the user's PATH
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| 05:55 | <ame> I dont aware of wrapper script can u please give me an example?
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| 05:56 | <vagrantc> echo '#!/bin/sh' >> arduino
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| 05:56 | echo 'ltsp-localapps ardunio' >> arduino
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| 05:56 | chmod +x arduino
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| 05:57 | mv arduino /usr/local/bin/
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| 05:57 | <ame> should i give this command in chroot?/
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| 05:57 | <vagrantc> no
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| 05:58 | the thin client logs into the server, so nearly everything is as if you were sitting at the server's monitor/keyboard/mouse
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| 05:58 | <ame> Need to update the image again after gave wrapper script
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| 05:58 | ??
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| 05:59 | <vagrantc> no, only if you modify files in /opt/ltsp/amd64
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| 05:59 | <ame> ok
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| 05:59 | let me try now
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| 06:02 | now if i type arduino in client system its simply not opening anything
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| 06:03 | but before it says to install the application
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| 06:19 | <vagrantc> ame: does it work if you type: ltsp-localapps arduino
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| 06:21 | <ame> yes
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| 06:24 | its opening now
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| 06:25 | thank you so much
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| 10:05 | <metaf5> Does anybody have any suggestions for managing a client image 'live'? For instance, I'm trying to customize a client image, and I need to install plugins in eclipse or firefox, and there may be no easy way to do this just being chrooted into the ltsp client image directory.
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| 10:07 | So is there any way to run the client in a way where I can get a GUI, and be able to make changes which modify the client image?
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| 10:09 | <alkisg> !ltsp-pnp | echo metaf5:
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| 10:09 | <ltsp`> metaf5: 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
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| 10:19 | <metaf5> Thanks! I think that's probably what I need. Would there be any tricks to starting from the image I already have (if anything is on the top of your head)? Or could I just copy the old image contents into a VM, make changes, and then do ltsp-pnp on that to get my new image?
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| 10:19 | <alkisg> sudo mv /opt/ltsp /opt/ltsp-without-pnp
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| 10:20 | ...and then continue by installing ltsp-client etc etc as per the wiki page says
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| 10:22 | <metaf5> thanks
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| 10:33 | <minetreu> morno
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| 11:35 | <minetreu> switch user is still a problem?
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| 11:51 | <alkisg> We don't have problems with switching users...
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| 11:51 | :)
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| 11:57 | <minetreu> wow :)
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| 12:00 | my clients could not, by that i mean, the switch is offered, but it only blacks out the screen, and falls back to password dialog of the current user
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| 13:27 | <alkisg> minetreu: ltsp uses ldm, not lightdm, so it doesn't have the switch account feature of lightdm
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| 13:27 | You'll be able to use lightdm with ltsp in version 6
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| 13:38 | <minetreu> mmh, i did not see how to solve my problems. arent you using lightdm or gdm?
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| 13:57 | <alkisg> ldm
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| 14:17 | <minetreu> i have several processes lightdm on the server side -- could you be more specific -- i need some more clarification
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| 15:44 | <minetreu> !ltsp6
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| 15:44 | <ltsp`> ltsp6: See: !future
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| 15:44 | <minetreu> !future
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| 15:44 | <ltsp`> future: Some of the highlights include working towards obsoleting LDM (using libpam-sshauth/libnss-sshsock), moving stuff out of ltsp-build-client into initramfs run-time modifications, and making it possible to maintain the chroot from a booted environment
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| 15:53 | <minetreu> !s450
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| 15:53 | <ltsp`> I do not know about 's450', but I do know about these similar topics: 'suse', 'sis', 's'
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| 15:53 | <minetreu> !sis
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| 15:53 | <ltsp`> sis: To bypass this problem with recent sis/xorg: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-sis/+bug/1066464, set this in lts.conf: X_OPTION_01="\"NoAccel"\"
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| 15:54 | <minetreu> !xrandr
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| 15:54 | <ltsp`> Error: "xrandr" is not a valid command.
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| 15:54 | <minetreu> !x!xorgrandr
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| 15:54 | <ltsp`> Error: "x!xorgrandr" is not a valid command.
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| 15:54 | <minetreu> !xorg
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| 15:54 | <ltsp`> I do not know about 'xorg', but I do know about these similar topics: 'x2go'
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| 15:54 | <minetreu> !x2go
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| 15:54 | <ltsp`> x2go: x2go is an NX-based suite of applications that allow logging in to a remote X server from any OS. It's much more efficient than VNC over slow network. More info: http://www.x2go.org/
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| 19:16 | <tkii> using berryterminal i get to the LTSP login screen, i login and just get a black screen with the X11 X mouse cursor.
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| 19:17 | i'm sure i've done something wrong... i do have lxde and ldm-server installed.
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| 19:18 | I have also changed the lts.conf with LDM_SESSION=/usr/bin/startlxde
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