IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 18 December 2014 (all times are UTC)
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| 07:53 | <ts-research> so... let's say i have a working LTSP server, and let's say 4 workstations connected via ethernet and functioning. What approach do i need in order to get a field operative into his Session using his laptop say at his hotel room?
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| 07:54 | <alkisg> !x2go
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| 07:54 | <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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| 07:54 | <alkisg> ts-research: ^
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| 07:54 | <ts-research> x2go is not sufficient as some apps cause the session to bog down
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| 07:55 | <alkisg> What is the line speed from the hotel to your server?
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| 07:56 | <ts-research> using x2go in the hotel scenario the experience was fine. however dropbox and skype caused the session to become unstable. they apps were loaded but not in active use.
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| 07:56 | <alkisg> That would be a question for the x2go channel (regarding stability)
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| 07:56 | (or their mailing list, whatever they have)
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| 07:56 | <ts-research> in a microsoft environment, you would connect to the vpn, then connect to your TS. is there nothing of this sort?
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| 07:56 | <alkisg> What is the internet speed of the hotel? Is it e.g. 50 mbps?
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| 07:57 | <ts-research> the speed is irrelevant
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| 07:57 | <alkisg> You can't boot ltsp over slow speed
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| 07:57 | <ts-research> it's 40 but as a guest you get 2
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| 07:57 | <alkisg> It requires e.g. 50 MB to boot
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| 07:57 | And 50 mbps if you're using thin clients
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| 07:57 | <ts-research> some hotels you're lucky if they give you 1
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| 07:57 | x2go was overall pleasant
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| 07:58 | but using x2go server was not the bees knees
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| 07:58 | everything about LTSP sounds like exactly what i'm looking for, if only the remote connection could be addressed.
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| 07:59 | <alkisg> No, ltsp isn't proper for netbooting over WAN
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| 07:59 | <ts-research> my only question ever is how does one connect to the network with a vpn, then connect to the session
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| 07:59 | <alkisg> LTSP isn't the solution for the use case you're describing
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| 07:59 | <ts-research> your answer was pretty vague, which is typical when one techie supports another techie. are you saying that x2go will connect to an LTSP session?
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| 08:00 | <alkisg> I'm saying that ltsp is about netbooting
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| 08:00 | <ts-research> LTSP -is- the solution for 4 out of 5 machines in my use case
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| 08:00 | <alkisg> You can't netboot over a hotel
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| 08:00 | You can netboot in a LAN
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| 08:00 | The reasons you can't netboot from a hotel is that you don't have dhcp, wifi pxe capability, vpn in initramfs etc etc
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| 08:01 | It's possible to do it if you dedicate a few days in it. And then you'll give up because it's too slow.
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| 08:01 | <ts-research> there must be some clever way to connect to LTSP other than strict pixie booting
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| 08:01 | <alkisg> x2go uses compression etc, it's designed for slow links
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| 08:01 | And it's not just about bandwidth, it's latency too
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| 08:01 | <ts-research> so you've connect x2go to LTSP ?
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| 08:01 | <alkisg> Yes x2go works in an ltsp server, but it's not related to ltsp at all then
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| 08:02 | It's just one program like so many others installed in an ltsp server
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| 08:02 | <ts-research> how did you ever write a single paper?? it works "in an ltsp server" ... as a client in the server? i'm sorry but you are frustrating in how you can't align your thoughts.
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| 08:02 | <alkisg> English is not my native language and I'm multitasking too much to write papers
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| 08:03 | I won't continue trying to help you because you're rude.
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| 08:03 | Have a nice day.
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| 08:04 | <ts-research> i said i was sorry and explained that you're not being clear in any way. that isn't rude. but thanks anyway.
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| 08:05 | <alkisg> What I'm trying to tell you is netbooting over WAN is not a good solution to your problem
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| 08:05 | <ts-research> no kidding!
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| 08:05 | <alkisg> You should be looking for solutions like "boot some OS locally, then connect to the LTSP (or other) server"
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| 08:05 | Like x2go, xrdp etc
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| 08:05 | <ts-research> YES!!!!!!
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| 08:06 | <alkisg> So, you shouldn't be asking in the #ltsp channel at all...
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| 08:06 | <ts-research> are you an official spokesperson saying that LTSP does not officially support non-pxe-boot connection methods?
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| 08:07 | <alkisg> No, I'm a humble ltsp developer trying to help someone in irc
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| 08:07 | <ts-research> so what would i have to do to connect x2go to ltsp ?
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| 08:07 | nothing special?
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| 08:08 | do i have to have x2go installed on ltsp server?
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| 08:08 | <alkisg> The "official ltsp answer" there is that that question isn't ltsp related,
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| 08:08 | i.e. the ltsp server could be any linux box
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| 08:08 | <ts-research> i know
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| 08:08 | <alkisg> So that question should be directed to the x2go support channels
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| 08:08 | Not here
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| 08:08 | <ts-research> they'll use the same excuse
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| 08:09 | <alkisg> You can just ask them about "connecting ltsp to the xxx distro/version"
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| 08:09 | <ts-research> "oh well that's not connecting to our x2go server software so we dont have official support for your use case"
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| 08:09 | <alkisg> You don't need to mention ltsp at all
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| 08:09 | You would install x2go server software to the ltsp server, yes
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| 08:09 | <ts-research> they'll say "forward your ports man"
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| 08:09 | ok that makes sense alkisg ... thanks
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| 08:09 | long way around but we made it
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| 08:10 | <alkisg> x2go server, xrdp server etc are just programs
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| 08:10 | You install them to the ltsp server like any other program, libreoffice etc
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| 08:10 | And then when you have issues with libreoffice, you ask their support channels,
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| 08:10 | when you have issues with x2go you ask their support channels, etc etc
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| 08:10 | <ts-research> isnt ltsp software also?
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| 08:10 | i just didnt know if x2go or other method would connect to ltsp
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| 08:10 | <alkisg> Yes, but we don't know x2go
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| 08:11 | Each developer can support his own code
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| 08:11 | Not the code of others
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| 08:11 | <ts-research> devs really like love that fact, too. and i dont blame them. maybe i dont understand ltsp well enough (obviously)
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| 08:12 | i cant explain how it works or what it is -exactly- , only that it's a hardwired TS solution
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| 08:12 | <alkisg> Btw, I hear that x2go has issues with the newest 3d environments like unity and gnome-shell
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| 08:12 | <ts-research> i use mate or xfce or kde typically. would that count as gnome shell?
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| 08:13 | <alkisg> No, afaik x2go works fine with those, they're not 3d environments
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| 08:14 | <ts-research> thank you for your time.
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| 08:20 | <alkisg> You're welcome
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| 10:13 | <FrozenZi1> Morning all. I've had a working LTSP system set up and ALSO been using the TFTP server to network boot some "different" clients, such as a few memtest boards.
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| 10:14 | I've put 01-MACADDRHERE files in the pxelinux.cfg directory and things have worked swimmingly for the longest time.
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| 10:15 | Now "all-of-a-sudden" I'm getting PXE-T01 - FILE NOT FOUND
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| 10:15 | Any chance I've managed to install a 2nd tftp server or something, and now my "requests" for a tftp-bootup-package (my terms, obviously) are going astray?
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| 10:20 | "Normal" ltsp boot seems to suffer the same problem, so it's not just my test benches.
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| 10:21 | Of course "all-of-a-sudden" is the key -- what has changed? I don't know. I HAVE been fooling with atftp and atftpd, but of course at this point I can't remember if that was on this computer or not.
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| 10:27 | <FrozenZi1> Ok, I've (RE)-installed tftpd-hpa, and that seems to have helped the problem somewhat, but now I get tftp open timeout.
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| 10:27 | Some configuring to do, I presume...
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| 11:01 | <FrozenZi1> configuring continues.... /etc/default/tftpd-hpa lists /var/lib/tftpboot as the TFTP_DIRECTORY, which I believe should be right.
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| 11:07 | /etc/inetd.conf had a line for tftp where user "nobody" was doing something -- this gave me "cannot set groups for user nobody" -errors (or something to that effect)
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| 11:11 | *SEEM* to be making progress. Now getting forbidden directory errors...
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| 11:12 | (I'm just keeping up a running commentary here in case someone recognizes a similar problem - feel free to shout out if you see I'm going the wrong direction)
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| 11:41 | <FrozenZi1> Forbidden Directory error PXE-T02 still going on. Anyone?
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| 11:42 | I suspect there are maybe 3-4 files which need to be pointing all in the right direction, and I've got one or more of them flubbed up.
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| 11:43 | I'm using an LTSP-PNP install, so not sure if /etc/ltsp/dhcpd.conf is relevant.
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| 11:44 | /etc/default/tftpd-hpa is another one.
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| 13:02 | <FrozenZi1> Am I right that if I have LTSP-PNP installed, I'm running DNSMASQ's TFTP server?
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| 13:17 | <FrozenZia> fwiw. Apparently my problem was simply: I had installed atftpd. After removing it I think it would have been sufficient to simply restart dnsmasq service.
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| 13:18 | Instead I started remembering an old install of tftpd-hpa and started futzing around with it. 3 hours later, hindsight is 20/20.
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