IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 11 March 2018 (all times are UTC)
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| 16:12 | <gbaman> Doing some playing around with an idea currently. Is there any way via a cmdline kernel parameter to get LTSP booting off a local stored squashfs image? (then using server=x.x.x.x to get it connected up for login to LTSP server)
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| 16:21 | <alkisg> !local-boot
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| 16:21 | <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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| 16:30 | <gbaman> Cool, thanks alkisg, will do some more fiddling around
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| 16:40 | Hmm, having no luck, ended up out to rescue shell. It mounts the partition with the image on it, but doesn't actually seem to attempt to mount the image via squashfs?
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| 16:42 | When looking around, does ltsploop in nfs-bottom have to run to handle it?
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| 16:45 | Ignore that, that would be for ltsploop :)
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| 17:08 | I do feel I am simply missing something, currently got
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| 17:08 | "root=/dev/mmcblk0p2 init=/sbin/init-ltsp rootflags=ro server=10.0.12.44 loop=/armhf.img"
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| 17:08 | (and the image is on the root of mmcblk0p2)
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| 17:53 | <alkisg> gbaman: debian or ubuntu based initramfs?
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| 17:54 | e.g. raspbian or ubuntu-mate?
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| 17:54 | I'm not sure if debian supports this, grep -rw loop the initramfs folder
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| 17:55 | You'd need ltsp.server btw, not server
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| 17:58 | I've just checked ubuntu 16.04 and it supports loop, while debian stretch doesn't
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| 18:00 | It's in the ubuntu .diff, i.e. Ubuntu-only: http://changelogs.ubuntu.com/changelogs/pool/main/i/initramfs-tools/initramfs-tools_0.130ubuntu3/changelog
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| 18:00 | - support mounting of loopback devices via loop*= parameters
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| 18:00 | You'd need to manually duplicate that functionality, or ask for its debian inclusion
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| 18:03 | * alkisg wishes everyone would just start supporting multiple mount= commands in the command line, and everything would be so much easier | |
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| 19:24 | <gbaman> Apologies, got dragged off to sort something else alkisg, Raspbian (so Debian) Jessie
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| 19:58 | But yeah, am not seeing any mention of loop in any of the initramfs scripts
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| 20:34 | <gbaman> Yeah alkisg, that was the issue. Pulled in the changes from Ubuntu version and now have a booted Pi :)
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| 21:42 | <alkisg> gbaman: are people still trying to use rasbperries as desktop pcs, even though their CPU was designed for a mobile phone like 10 years ago?
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| 21:43 | Or, do you think they have future as light desktop pcs, maybe in some newer version?
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| 21:43 | I think I've heard they were designing a better cpu for the future or something...
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| 21:44 | There was a plan to buy thousands of them for Greek schools, fortunately it didn't succeed... there were even slower than the Pentium 4's they were trying to replace...
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| 21:45 | <gbaman> Well, the Pi 3 isn't a bad machine
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| 21:45 | <alkisg> It's a bit slower than a pentium 4 in my experience, isn't it?
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| 21:45 | Something like Pentium 4 @ 1 GHz, not at 3...
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| 21:45 | <gbaman> Ahh, well that depends of course what you run on it. In general Raspbian on a Pi 3 is certainly usable, hundreds of schools out there using them fine
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| 21:46 | <alkisg> As desktop pcs, or for specific apps, e.g. programming?
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| 21:46 | <gbaman> But for specific stuff, web browsing for example is a tad slow...
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| 21:46 | <alkisg> Because here they were trying to use them as desktops, which was tragic
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| 21:46 | <gbaman> Ahh
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| 21:46 | <alkisg> Yeah, you can't even go to gmail with that
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| 21:46 | <gbaman> Yeah they don't work great in that case
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| 21:46 | Although, probably wouldn't work too bad in a thin client setup
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| 21:47 | For us, we use them for teaching programming, making heavy use of the GPIO pins with the kids
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| 21:47 | <alkisg> Thin clients are getting deprecated, I don't think we'll support them at all in the ltsp 6 /wayland era
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| 21:48 | I was trying to explain to them that there's only one computer lab in each school here, so it's way better to use a gpio usb adapter and a real pc, than raspberries...
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| 21:48 | <gbaman> For us at the Raspberry Jam (where we run 90 Pi 2 and Pi 3s with PiNet), the only real thing we have hit up against that is a pain is web browsing
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| 21:48 | <alkisg> If some school ever had 2-3 computer labs, sure, they could dedicate one of them to small devices programming
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| 21:48 | <gbaman> Well, in theory that works, but in practice there simply isn't a USB gpio adapter with any real software support
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| 21:48 | <alkisg> I think most users expect to be able to use a browser though :/
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| 21:49 | <gbaman> Everything has software/hardware support for Pis
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| 21:49 | With very little support elsewhere for that type of thing
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| 21:49 | <alkisg> Then they changed course and they decided to go for lego mindstorms + arduino, so noone even knows what gpio is anymore, here...
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| 21:50 | <gbaman> I am a huge fan of Minestorm stuff (volunteer mentor FLL teams), but they are a proper fortune :(
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| 21:50 | <alkisg> Not all schools/teachers/students can afford them, and I consider that a big minus
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| 21:50 | <gbaman> Yeah
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| 21:50 | <alkisg> Anyways, it's getting late...
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| 21:50 | * alkisg waves goodnight | |
| 21:51 | <gbaman> One thing I would love to somehow figure out is a higher performance ltsp-remoteapps
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| 21:51 | As that is the answer for us, for those random web based activities we want to do with that kids :)
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