IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 18 October 2015 (all times are UTC)
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| 08:38 | <alkisg> !pi
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| 08:38 | <ltsp> Error: "pi" is not a valid command.
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| 08:38 | <alkisg> !raspberry
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| 08:38 | <ltsp> I do not know about 'raspberry', but I do know about these similar topics: 'raspberrypi'
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| 08:38 | <alkisg> !raspberrypi
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| 08:38 | <ltsp> raspberrypi: (#1) LTSP with raspberry pi: http://cascadia.debian.net/trenza/Documentation/raspberrypi-ltsp-howto/, or (#2) To use a similar environment to LTSP on the raspberry pi http://berryterminal.com/, or (#3) https://github.com/gbaman/RaspberryPi-LTSP, or (#4) https://pi-ltsp.net
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| 09:47 | <alkisg> fnurl: status so far: it seems that u-boot does support rpi, but not properly rpi2 yet, so I postponed that path
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| 09:48 | I requested that the Greek schools PPA also gets an armhf target, to be able to publish newer ltsp versions there
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| 09:49 | So in a few days we should be able to just run `ltsp-build-client --arch armhf` along with the ppa, and it would generate a suitable chroot for rpi2.
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| 09:49 | (an ubuntu chroot, not a raspbian one)
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| 09:50 | ...and if one wants, he can specify a fat chroot etc etc as usually in ltsp
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| 10:14 | ogra_: in ltsp-build-client/Ubuntu/020-kernel-selection, you have: case $ARCH in armel|armhf) KERNEL_ARCH="omap4"
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| 10:15 | But ltsp-build-client died for me in 14.04 with "linux-image-omap4 not found"
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| 10:15 | What replaced it? Can we just remove that part of the code and leave the defaults?
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| 10:49 | <ogra_> alkisg, well, then you will only be able to boot boards that are supported by the generic kernel .... they switch based on the devicetree file, so you probably want a switch to select that file
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| 10:49 | omap4 is definitely dead though (teh pandaboard is out of production since 3+ years)
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| 10:50 | <alkisg> ogra_: can ltsp-build-client find an appropriate package name based on the devicetree file?
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| 10:50 | Where is that file?
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| 10:50 | <ogra_> inside the linux-image-$ver-generic packagge
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| 10:50 | <alkisg> So then we should install linux-image-generic in any case?
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| 10:50 | To be able to find that file, and then maybe install an additional kernel?
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| 10:51 | <ogra_> you would have to install that one first ... then the DT files are in /lib/firmware/device-tree/$ver
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| 10:51 | <alkisg> Can a chroot decide which board it will run in?
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| 10:51 | <ogra_> you wouldnt install an additional kernel
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| 10:51 | <alkisg> Could you write that in pseudocode?
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| 10:51 | <ogra_> right, by a config file or cmdline switch
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| 10:52 | chroot apt install linux-generic linux-firmware
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| 10:53 | cpo chroot/lib7firmware/device-tree/$kernelversion/$soc-name.dtb /wherever/the/specific/bootloader/needs/it
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| 10:53 | before you configure the bootloader for that board/HW
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| 10:53 | <alkisg> Ah, that's not a step for ltsp-build-client then, but for ltsp-update-kernels, which prepares the kernels for the device...
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| 10:53 | Right?
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| 10:54 | <ogra_> usually the bootloader loads that file and hands the ram address to the kernel on startup
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| 10:54 | well, it isnt a step ltsp handles at all usually, many/most boards need the bootloader locally
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| 10:55 | <alkisg> OK, so, about that 020-kernel-selections file, we can always put -generic there?
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| 10:55 | Because now it's trying to install packages that don't exist...
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| 10:55 | <ogra_> for arm you shouold provide some SD image that the admin can dd to a card for making the board DTRT
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| 10:55 | yeah, as a first step you should use -generic
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| 10:55 | but without the extra setup that wont gain you much
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| 10:56 | <alkisg> Cool. Sure, I've been thinking about introducing a new tool (or extending ltsp-update-kernels) to generate an sd image
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| 10:56 | Thank you ogra_
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| 10:56 | <ogra_> np :)
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| 11:23 | <alkisg> am335x-boneblack.dtb highbank.dtb imx6q-sabrelite.dtb omap3-beagle-xm.dtb omap4-panda-es.dtb tegra20-paz00.dtb tegra20-trimslice.dtb tegra20-whistler.dtb
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| 11:24 | am335x-bone.dtb imx6dl-wandboard.dtb imx6q-wandboard.dtb omap4-panda.dtb tegra20-harmony.dtb tegra20-seaboard.dtb tegra20-ventana.dtb vexpress-v2p-ca9.dtb
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| 11:24 | ...I don't see raspberry's dtb there, I'm guessing it's packaged in some other way in Ubuntu, I'll get it from the raspberry-bootloader package...
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| 11:25 | /usr/lib/raspberrypi/firmware/overlays/spi-bcm2835-overlay.dtb
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| 11:30 | * alkisg wonders if all those dtb's need to match the exact kernel version, or if they're the same for e.g. both 3.13 and 3.18. | |
| 11:48 | <ogra_> raspberyy pi needs a ton of patches on top of mainline
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| 11:48 | the generic kernel is usually mainline only
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| 11:49 | (or at least close enough to that, it usually carries some patches that are likely to land in mainline)
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| 11:49 | * alkisg found that one: https://launchpad.net/~fo0bar/+archive/ubuntu/rpi2/+packages | |
| 11:49 | <ogra_> there is aa raspi2 kernel in the archive too
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| 11:50 | <alkisg> In the "official" ports archive?
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| 11:50 | Or in the kernel ppa?
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| 11:50 | <ogra_> yes... well, in universe :)
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| 11:50 | (and only wily)
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| 11:50 | we support the rpi in snappy....
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| 11:51 | <alkisg> Do you have a link for the raspi2 kernel? I can't seem to find it...
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| 11:51 | <ogra_> i'm not sure the bootloader will ever make it in the archive though (in snappy thats irrelevant because snappy is upstream centric (focus on auto-building git trees is bigger than using debs there)
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| 11:52 | https://launchpad.net/ubuntu/+source/linux-raspi2
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| 11:52 | <alkisg> Thanks, looking...
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| 13:12 | <alkisg> Phantomas: heya... all ok with epoptes properties, except for VGA, where it shows -, which is normal, as it doesn't have lspci
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| 13:12 | <Phantomas> alkisg: cool
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| 13:56 | <alkisg> gbaman_: have you tried to boot any ubuntu chroots with rpi2? E.g. there's ubuntu-mate for rpi2...
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| 13:58 | <gbaman_> Nope, only doing Raspbian stuff given Ubuntu doesn't run on Pi1
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| 13:58 | <alkisg> The ubuntu kernel boots fine locally, but it doesn't get an ip for eth0 when booting over the network...
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| 14:30 | <alkisg> It appears to be related to the firmware, not the kernel/initrd
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| 16:58 | <jviala1> hello I'm french i use epoptes in my classroom and i like use wakeonlan with epoptes. I have install wakonlan and it's good when i use it with the terminal but i don't see the client to start pc with epoptes. Thaks fot help me!!!
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| 16:58 | <alkisg> jviala1: create a group and drag the PCs inside it
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| 16:58 | http://www.epoptes.org/documentation/groups
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| 16:59 | fnurl: so, to sum up, after https://answers.launchpad.net/launchpad/+question/272563 is processed, the greek schools ppa will also support armhf,
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| 16:59 | <jviala1> thanks you very much i try it.
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| 17:00 | <alkisg> fnurl: and it will be possible to build 14.04 and upwards chroots with plain `ltsp-build-client -a armhf --copy-sources-list`, after adding the ppa in your sources
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| 17:00 | I tested it manually and I have a raspberry pi 2 client booted with a normal ubuntu chroot
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| 17:01 | raspberry pi 1 isn't supported by ubuntu, rasbpian is needed there
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| 17:01 | I'll write a how-to once the PPA is able to build armhf versions of ltsp, ldm and ltspfs
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| 17:05 | alkisg is now known as work_alkisg | |
| 17:12 | <jviala1> thank you, that's fine it works. Congratulations for your work :))
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| 17:13 | thank you, that's fine it works. Congratulations for your work :))
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| 21:24 | <JoeBob> I've been looking for documentation for installing LTSP on SuSe Enterprise Linux 12.x, but the documentation only seems to refer to OpenSuSe and is out of date. Does anyone have any good links to installation information for SuSe Linux Enterprise 12.x?
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