IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 9 March 2017 (all times are UTC)
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| 02:19 | <snowblack> Is there an LTS for Raspberry Pi?
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| 06:02 | <alkisg> !raspberry | echo snowblack:
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| 06:02 | <ltsp> snowblack: I do not know about 'raspberry', but I do know about these similar topics: 'raspberrypi'
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| 06:02 | <alkisg> !raspberrypi | echo snowblack:
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| 06:02 | <ltsp> snowblack: raspberrypi: (#1) Ubuntu/LTSP on Pi 2: https://help.ubuntu.com/community/UbuntuLTSP/RaspberryPi, or (#2) Debian/LTSP (with raspbian chroot) on Pi: http://cascadia.debian.net/trenza/Documentation/raspberrypi-ltsp-howto/, or (#3) unofficial Ubuntu/LTSP (with raspbian chroot) on Pi: http://pinet.org.uk/
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| 06:21 | <toru> Hello. I want to test wireless LTSP with 11ac(866mbit/s). so, I want to boot LTSP client from local USB or HDD. Is there any document about this case?
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| 06:25 | <alkisg> toru: hello, are you talking about thin or fat clients? And, how many clients?
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| 06:26 | I'm thinking that what you want will be better done with x2go, not LTSP, that's why it'll be better to provide some details about your setup
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| 06:26 | <toru> about 20 fat clients.
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| 06:26 | <alkisg> Just launching libreoffice needs 120 MB
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| 06:26 | For 20 fat clients, that would be 2.5 GB
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| 06:27 | Over wireless, that should take 5 minutes or so... :)
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| 06:27 | <toru> is thin client OK? about bandwidth.
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| 06:27 | <alkisg> That 866 mbits/sec are without collisions
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| 06:28 | With 20 clients, there will be a whole lot of collisions, so the bandwidth will be much, much lower than that
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| 06:28 | No, thin clients require a whole lot more bandwidth
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| 06:28 | !thin-clients-bandwidth
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| 06:28 | <ltsp> thin-clients-bandwidth: A small explanation why thin clients can't perform well with video, lots of screen updates etc: https://sourceforge.net/p/ltsp/mailman/message/35694699/
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| 06:29 | <alkisg> So once programs are launched, fat clients will perform somewhat OK, but if all of them need a lot of disk access at the same time, it will be slow
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| 06:29 | What you can do, is use local caching to implement ltsp fat clients
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| 06:29 | !local-boot
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| 06:29 | <ltsp> local-boot: If you want LTSP fat clients on a low-speed network, you can put i386.img on e.g. C:\Boot\LTSP\i386.img and use this command line in pxelinux.cfg: APPEND ro initrd=ltsp/i386/initrd.img init=/sbin/init-ltsp root=/dev/sda1 rootflags=ro loop=/Boot/LTSP/i386.img; IPAPPEND 3
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| 06:30 | <alkisg> So, performance-wise, I would recommend: 1) ltsp fat clients with local caching, 2) x2go, 3) ltsp fat clients without local caching, 4) ltsp thin clients
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| 06:30 | I would go with (1)
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| 06:30 | Are you sure you can't have wired lan?
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| 06:32 | <toru> My classroom is not for computing only, so wired lan is not good.
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| 06:34 | to ltsp, thank you for pxelinux.cfg !
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| 06:34 | <alkisg> ltsp is a program, we call it to take notes
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| 06:34 | It's called a "bot"
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| 06:35 | <toru> OK, it's very wise.
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| 06:38 | I did't know about x2go, I'll find out about it. thank you for your support, alkisg.
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| 06:38 | <alkisg> !x2go
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| 06:38 | <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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| 06:38 | <alkisg> toru, x2go is suitable when you already have a local operating system and you want to do remote desktop to some server
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| 06:42 | <toru> alkisg, thank you very much.
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| 06:42 | <alkisg> You're welcome
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| 07:32 | <hima> salam
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| 07:32 | i have ltsp on ubuntu mate
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| 07:32 | how to change the client language for the user?
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| 07:35 | <alkisg> For the user, in control panel language settings
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| 07:35 | Or while logging in, you can select language from preferences
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| 07:35 | For the pc, in lts.conf
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| 07:59 | <hima> i tried to change lang after logging in
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| 08:00 | <hima> i set my lang at top
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| 08:00 | and nothign happen after restart
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| 08:00 | also i was trying to change the lsp.conf file to let the server force the user to certain lan
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| 08:00 | or even , enable autologin
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| 08:02 | <hima> seeting lanng from login screen is the easier
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| 08:03 | setting
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| 08:05 | <hima> alkisg , which is treating files better , windows or linux , fast , robust , integrity?
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| 08:06 | <alkisg> hima: if you are asking which OS has better file management, it's about the same
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| 08:06 | <hima> if i am going to serve some files about 10 GIGs each is about 2 Mg
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| 08:06 | <alkisg> For non-ltsp questions, you can ask in #ubuntu or in #ubuntu-mate
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| 08:06 | <hima> ok
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| 08:07 | i tried to play with lts.conf files under /i386 , and get no luck
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| 08:07 | <alkisg> It's in /var/lib/tftpboot/ltsp/i386/lts.conf
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| 08:08 | <hima> yes i followed
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| 08:08 | i meant that file
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| 08:09 | <alkisg> Put it to pastebin
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| 08:13 | <hima> http://pastebin.com/B8jQ4BQv
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| 08:14 | <alkisg> You only pasted the first 30 lines
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| 08:14 | The rest is missing
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| 08:14 | <hima> they have the two lines i changed
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| 08:14 | <alkisg> Run this: cat /var/lib/tftpboot/ltsp/i386/lts.conf | nc termbin.com 9999
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| 08:14 | This will put all of it
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| 08:15 | <hima> http://termbin.com/az54
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| 08:15 | you teach me alot
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| 08:16 | <alkisg> So, the lines you put are under the [OLD_MONITOR] section
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| 08:16 | That's why they don't work
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| 08:16 | Put them before the [OLD_MONITOR] line
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| 08:16 | <hima> by the way , it is working if i have hashed auoloing and directx
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| 09:00 | for what is the difference between ssh session and rdp session
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| 09:02 | <alkisg> ssh is console, rdp is graphics
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| 09:08 | <hima> i did chose ssh but it entered me to a still screent graphical one
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| 09:10 | i think both choices gave me the same
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| 09:10 | the graphics
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| 09:10 | is there a a paramter in lts.conf that force for that
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| 09:35 | <alkisg> hima: ah, you're talking about the LDM authentication back ends, not about the lts.conf SCREEN scripts
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| 09:36 | ssh there means xorg-based graphical session, while rdp means xrdp-based graphical session
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| 09:36 | Parameter to force what?
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| 09:36 | <alkisg> (11:25:43 πμ) vlt: lotuspsychje: In case you're interested in yesterday's problem with firefox 52 crashing: It works if you set env var LOGNAME. That's the whole problem :-D ==> err what?
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| 09:37 | <alkisg> hima_: check irclogs.ltsp.org, I replied to you when you weren't here
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| 09:38 | <alkisg> Nice, https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1671079
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| 09:40 | <vlt> alkisg: Yeah, lol
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| 09:40 | <alkisg> Good catch :)
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| 09:41 | <vlt> Have you seen this? => https://reviewboard.mozilla.org/r/118190/diff/1#index_header
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| 09:43 | <alkisg> Yup, 5 minutes ago... just an initialization :)
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| 10:13 | <hima_> strange
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| 10:13 | when i lock fat client screen
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| 10:13 | when i unlock it did not accept the user and password
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| 10:14 | what is wrong then , is it related to lts.conf?
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| 10:22 | <alkisg> !LDM_PASSWORD_HASH
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| 10:22 | <ltsp> LDM_PASSWORD_HASH: LDM_PASSWORD_HASH=True in lts.conf saves the password hash to /etc/shadow on login, so that the users can unlock the screensaver etc. If they happen to change their password though, that only takes effect until logout.
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| 10:42 | <hima_> li will check
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| 10:44 | also routing is disabled on clients
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| 10:45 | should i rebuilt the lts.conf file
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| 10:47 | <alkisg> "routing is disabled" doesn't make much sense, if you mean that you are using 2 nics on the server and you're not doing NAT, that's a server issue
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| 10:48 | lts.conf file can't be rebuild, do you mean "save"? Yes save it
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| 10:48 | You don't need to rebuild the i386.img image by running ltsp-update-image
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| 10:49 | <hima_> on the server every thing is ok
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| 10:49 | i go go online
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| 10:49 | <alkisg> Are you using 2 network cards on the server?
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| 10:49 | <hima_> yes
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| 10:49 | <alkisg> Then you need to do NAR
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| 10:49 | NAT
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| 10:49 | <hima_> nat with?
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| 10:49 | <alkisg> !nat
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| 10:49 | <ltsp> nat: To set up NAT in your LTSP server, set its internal IP to 192.168.67.1 and put http://bazaar.launchpad.net/~ts.sch.gr/sch-scripts/trunk/view/head:/debian/sch-scripts.if-up to /etc/network/if-up.d/sch-scripts. This also takes care of flow-control issues, possibly increasing your network speed 10 times. :)
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| 10:50 | <alkisg> Either that, or google about NAT, or use only 1 card which is easier
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| 10:50 | <hima_> at the moment
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| 10:50 | i test on work environment
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| 10:50 | so every thing is virtual
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| 10:51 | i use virtual box
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| 10:51 | <alkisg> ok
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| 10:51 | <hima_> ubuntemate is working on two nats
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| 10:58 | one configure nated with host computer
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| 10:58 | and the other for lab
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| 10:59 | <alkisg> Yes, OK, but the solution still is the one I said above ^
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| 11:00 | You can use 1 NIC in virtualbox if you bridge it, for both the server and the client
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| 11:00 | 1 bridged nic for the server
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| 11:00 | 1 bridged nic for the client
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| 11:01 | <hima_> for testing , i could use one card also in nat network
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| 11:01 | if i make a nakt 10.0.2.0/24
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| 11:02 | <alkisg> OK
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| 11:02 | <hima_> and every client net card should belong to that nat
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| 11:03 | server NIC sgould be stitic ip
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| 11:03 | ?
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| 11:03 | <alkisg> It doesn't have to be static, no. Whatever you want.
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| 11:04 | <hima_> if my server will not be stitc then it will get ip from nat network
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| 11:04 | <alkisg> OK
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| 11:05 | Look, I can't teach you networking here, google a bit, and if you have specific LTSP-related questions then ask
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| 11:05 | <hima_> i cam from windows world
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| 11:05 | i know nating
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| 11:05 | i will manage any way
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| 11:05 | <alkisg> OK
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| 11:23 | <vlt> Hi, is there a way to reset values in lts.conf to their default value for a client?
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| 11:23 | Example:
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| 11:24 | I have XKBLAYOUT = de in [default] but want to reset that in [GROUP_NO_DE]
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| 11:26 | <alkisg> vlt: XKBLAYOUT="" should do it
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| 11:26 | * vlt tries that | |
| 11:26 | <alkisg> It's not 100% the same as if it didn't exist, but you shouldn't notice any difference
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| 17:15 | <qwebirc16305> is ltsp.org down?
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| 17:19 | <qwebirc16305> successor?
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| 17:23 | <||cw> qwebirc16305: most work happens on launchpad these days
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| 17:24 | I haven't noticed a reason for the site being down, but it does seem to eb the case
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| 17:27 | <qwebirc16305> thanks
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| 17:28 | does anyone know if Pinet supports the raspberry pi 7 touch?
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| 17:47 | <alkisg> OK I restarted apache
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| 17:48 | sbalneav: I'm going to put a cron job to restart apache once per day ...
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| 17:48 | Hope jammcq will find some time to upgrade the server from 10.04 to 16.04 sometime soonish..
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| 17:49 | I could host it, if there's a problem with the hosting company
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| 17:49 | <sbalneav> Lawyer's pants catch fire during arson trial
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| 17:50 | <alkisg> Haha
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| 17:50 | E-cigar battery...
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| 18:01 | <sbalneav> Hm
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| 18:01 | That was my url script. Why did it print here....
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| 18:46 | <quinox> 10.04? :o
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| 18:47 | <alkisg> :)
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| 22:33 | <hima_> hi
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| 22:33 | is dnsmasq include dns + dhcp + tftpd service
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| 22:33 | or is is only for DNS
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