IRC chat logs for #ltsp on irc.freenode.net (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)
16:21
<alkisg>
!local-boot
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
16:30
<gbaman>
Cool, thanks alkisg, will do some more fiddling around
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?
16:42
When looking around, does ltsploop in nfs-bottom have to run to handle it?
16:45
Ignore that, that would be for ltsploop :)
17:08
I do feel I am simply missing something, currently got
17:08
"root=/dev/mmcblk0p2 init=/sbin/init-ltsp rootflags=ro server=10.0.12.44 loop=/armhf.img"
17:08
(and the image is on the root of mmcblk0p2)
17:53
<alkisg>
gbaman: debian or ubuntu based initramfs?
17:54
e.g. raspbian or ubuntu-mate?
17:54
I'm not sure if debian supports this, grep -rw loop the initramfs folder
17:55
You'd need ltsp.server btw, not server
17:58
I've just checked ubuntu 16.04 and it supports loop, while debian stretch doesn't
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
18:00
- support mounting of loopback devices via loop*= parameters
18:00
You'd need to manually duplicate that functionality, or ask for its debian inclusion
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
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?
21:43
Or, do you think they have future as light desktop pcs, maybe in some newer version?
21:43
I think I've heard they were designing a better cpu for the future or something...
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...
21:45
<gbaman>
Well, the Pi 3 isn't a bad machine
21:45
<alkisg>
It's a bit slower than a pentium 4 in my experience, isn't it?
21:45
Something like Pentium 4 @ 1 GHz, not at 3...
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
21:46
<alkisg>
As desktop pcs, or for specific apps, e.g. programming?
21:46
<gbaman>
But for specific stuff, web browsing for example is a tad slow...
21:46
<alkisg>
Because here they were trying to use them as desktops, which was tragic
21:46
<gbaman>
Ahh
21:46
<alkisg>
Yeah, you can't even go to gmail with that
21:46
<gbaman>
Yeah they don't work great in that case
21:46
Although, probably wouldn't work too bad in a thin client setup
21:47
For us, we use them for teaching programming, making heavy use of the GPIO pins with the kids
21:47
<alkisg>
Thin clients are getting deprecated, I don't think we'll support them at all in the ltsp 6 /wayland era
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...
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
21:48
<alkisg>
If some school ever had 2-3 computer labs, sure, they could dedicate one of them to small devices programming
21:48
<gbaman>
Well, in theory that works, but in practice there simply isn't a USB gpio adapter with any real software support
21:48
<alkisg>
I think most users expect to be able to use a browser though :/
21:49
<gbaman>
Everything has software/hardware support for Pis
21:49
With very little support elsewhere for that type of thing
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...
21:50
<gbaman>
I am a huge fan of Minestorm stuff (volunteer mentor FLL teams), but they are a proper fortune :(
21:50
<alkisg>
Not all schools/teachers/students can afford them, and I consider that a big minus
21:50
<gbaman>
Yeah
21:50
<alkisg>
Anyways, it's getting late...
21:50* alkisg waves goodnight
21:51
<gbaman>
One thing I would love to somehow figure out is a higher performance ltsp-remoteapps
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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