IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 24 November 2018 (all times are UTC)
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| 06:12 | <jphein> Hello from California! Was wondering if any can help me with my zenity menu screen script calling ldm
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| 06:12 | here it is: https://github.com/jphein/boxen/blob/master/usr/share/ltsp/screen.d/boxen/welcome
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| 06:12 | I have a symlink to /usr/sbin/ldm
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| 06:13 | ldm seems to exit the my menu pops back up over ldm when it goes to check the password
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| 06:16 | I'm pretty new to scripting, so I'm sure it's something simple
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| 06:20 | Screenshots here: https://github.com/jphein/boxen/issues/2
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| 06:37 | Best part about having zenity boot menu, is that you can use epoptes to interact with it
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| 06:46 | <alkisg> jphein: afaik you don't have a "boot menu", you have a "do some actions menu", which could be a normal program after login, right? Why do you need to run it before login?
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| 06:47 | <jphein> I was just thinking about that
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| 06:49 | <alkisg> Just create a normal python3 / glade program, without zenity, and do whatever you like with it
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| 06:49 | <jphein> i see then change lts.conf LDM_SESSION
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| 06:49 | <alkisg> python3 + glade gives so much power without being complex. It's even more difficult to do some things with zenity rather than just use glade
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| 06:50 | You don't even need a custom session
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| 06:50 | Let the users log in and run the program from the menu
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| 06:50 | Like when you run gparted etc
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| 06:50 | <jphein> ok sounds like a plan
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| 06:50 | <alkisg> So the users would log in and be able to surf while cloning
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| 06:50 | <jphein> =]
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| 06:51 | Thank you so much!
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| 06:51 | Have you read this article? https://kubernetes.io/blog/2018/10/02/building-a-network-bootable-server-farm-for-kubernetes-with-ltsp/
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| 06:55 | <alkisg> Nah, I just glanced it. Too much console for my taste! :)
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| 06:55 | I prefer instructions like "install the vm of your choice and then run this command" - i.e. up to 1-2 commands, not pages with them
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| 06:56 | <jphein> hahaha, I need all the steps =]
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| 07:10 | He made some pretty cool patches
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| 07:10 | <alkisg> Does he have bug reports with them? :)
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| 07:12 | <jphein> I hope so! =]
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| 07:12 | <alkisg> I haven't seen any though
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| 07:13 | <jphein> oh :,(
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| 07:13 | how does nbd to ram work?
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| 07:14 | <alkisg> It copies the entire nbd image to ram
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| 07:14 | Only useful for kiosks with no /home etc
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| 07:15 | <jphein> i though home was hosted over ssh?
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| 07:15 | <alkisg> Indeed. But copying nbd to ram is for cases where the server may disconnect for hours.
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| 07:15 | I.e. sshfs wouldn't work in that case
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| 07:15 | If you do have sshfs, why on earth would you put the nbd to ram
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| 07:16 | <jphein> preformance?
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| 07:16 | <alkisg> Nah
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| 07:16 | It doesn't help with performance, just delays client boot
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| 07:17 | <jphein> I see, so you can boot up a client then disconnect it from the network for the day
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| 07:17 | <alkisg> Reading e.g. 1 GB on boot instead of just dynamically caching to ram the sectors needed? (which is what the kernel does anyway)
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| 07:17 | <jphein> I see
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| 07:17 | That might be useful for wireless kioks i guess
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| 07:18 | <alkisg> Kiosks may need to stay online for weeks; you wouldn't be able to reboot the server with nbd
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| 07:18 | While with nbd-to-ram, it's ok if the server reboots after a client boots
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| 07:18 | <jphein> cool, like electric car chargers
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| 07:19 | <alkisg> E.g. an airport with 100 info kiosks could use that
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| 07:19 | <jphein> i see
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| 07:21 | Would it be easy to add netboot.xyz to LTSP?
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| 07:22 | <alkisg> I think you mean the opposite, add ltsp to netboot.xyz
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| 07:22 | It's just about managing pxelinux.cfg, nothing more
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| 07:26 | <jphein> It seems like some of these screen scripts I hacked together might be useful for other people. Like Seitanas / kvm-vdi .
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| 07:26 | and virt-viewer
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| 07:27 | * alkisg thinks ltsp6 won't have screen scripts at all, just sessions :) | |
| 07:27 | <jphein> I see
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| 07:27 | <alkisg> It's not nice to run things as root
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| 07:28 | <jphein> got it
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| 07:28 | <alkisg> Even if it's just a fake user, logging in first is a good idea, even if it's autologin
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| 07:28 | So it's best to organize everything as /usr/share/xsession/*.desktop sessions
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| 07:30 | <jphein> ok
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| 07:32 | is that updated with ltsp-update-image?
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| 07:32 | or is that on the server only?
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| 07:32 | <alkisg> Fat clients => image, thin clients => server
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| 07:33 | <jphein> does ldm pick them up automatically?
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| 07:33 | <alkisg> Yes
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| 07:33 | <jphein> great!
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| 07:33 | and if i want one to be default i put it in lts.conf?
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| 07:33 | <alkisg> Yes
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| 07:34 | <jphein> so much easier than PXE, or screen script
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| 07:41 | <jphein> I see. For loading kiosks or RDP/VNC/SPICE/x2go clients you would use probably autologin to a session.
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| 07:41 | <alkisg> Yes, I wouldn't want to run the browser as root. I'm not even sure if it's allowed under wayland etc, or newer xorg versions that require running as the user.
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| 07:41 | And, it's so much easier to implement it, and it works on both thin and fat clients
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| 07:42 | <jphein> got it
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| 07:48 | !autologin
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| 07:48 | <ltsp> Error: "autologin" is not a valid command.
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| 07:49 | <jphein> Is this a good article? https://help.ubuntu.com/community/UbuntuLTSP/AutoLoginFeatures
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| 07:51 | Do I really have to create an account for every ip address?
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| 07:51 | If I don't want to specify by IP or Mac address?
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| 07:52 | <alkisg> Pretty much everything in the ubuntu wiki is deprecated, it says so in its initial page
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| 07:53 | Anyways chatting is great but time to get some work done :)
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| 07:53 | <jphein> ok, thank you!
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| 07:53 | <alkisg> np
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