IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 6 July 2023 (all times are UTC)
| 05:04 | ricotz has joined IRC (ricotz!~ricotz@ubuntu/member/ricotz) | |
| 05:20 | wyre is back | |
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| 10:34 | <toa[m]> The client init scripts like 25-ro-root.sh use custom functions like re, rw and warn. The functions are defined in ltsp/ltsp. However, with my horrible shell programming skills I can't determine where exactly is everything necessary included so that the client init scripts could be executed. Do they go through a wrapper of some kind or what?
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| 10:54 | <alkisg> To avoid namespace pollution, we ship a single command, /usr/sbin/ltsp. This one in tern sources all the rest.
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| 10:54 | turn
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| 10:55 | wyre is back | |
| 11:10 | <toa[m]> If I understand this correctly, initramfs-tools runs /usr/sbin/ltsp during early user space when booting the terminal. But how does initramfs-tools know what script to run after that so that for example 25-ro-root.sh gets executed?
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| 11:11 | <alkisg> The following ltsp applets are defined
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| 11:12 | ltsp inird-bottom
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| 11:12 | https://ltsp.org/man/ltsp/
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| 11:13 | LTSP clients also have some additional applets, like initrd-bottom, init and login, but they're not runnable by the user.
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| 11:14 | So it's these applets that source all the scripts that you mention
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| 11:27 | <toa[m]> Ok, the initrd-bottom applet you mention seems to be https://github.com/ltsp/ltsp/blob/fce44a50e32de67f6c25e77317746e445f075a16/ltsp/client/initrd-bottom/55-initrd-bottom.sh if I'm correct
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| 11:29 | There seems to be some checks for dracut already. But it seems that none of these client init scripts are actually executed in dracut.
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| 11:30 | Did you use something in initramfs-tools to verify which script was executed and which was not?
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| 11:39 | <alkisg> This is the hook that activates the initrd bottom applet: https://github.com/ltsp/ltsp/blob/fce44a50e32de67f6c25e77317746e445f075a16/ltsp/client/initrd-bottom/initramfs-tools/ltsp-hook.conf
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| 11:41 | I suggest that you start by reading about dracut hooks and scripts. After 2-3 weeks of getting experience there, then you can involve the ltsp code
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| 11:53 | <toa[m]> Ok, I'll see what I can break
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| 17:58 | <anavari[m]> hi I am sorry if this one is off topic. my ltsp server is up and running on ubuntu 22.04. Now I want to add a virtualbox image of ubuntu 20.04. I installed it in virtualbox. When I look for a ubuntu-flat.vmdk file it is missing. I see only a vdi and vdi file. How do i make a vmdk file from them.
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| 17:59 | <alkisg> anavari: the normal method is to select "vmdk, fixed size" when you create the VM
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| 17:59 | It should also be possible to use vboxmanage to convert from one format into the other
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| 18:01 | <anavari[m]> ok let me search
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| 18:02 | <alkisg> anavari: ah it can be done from the GUI too, from the virtual media manager
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| 18:04 | If you go to the virtual media manager and right-click on the disk , you should see a menu with the first entry saying either "copy" or "clone" (not sure, my UI is in Greek)
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| 18:04 | Then you select vmdk, click next, then [v] preallocate full size, and that way you'll get the vm-flat.vmdk
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| 18:05 | At that point delete the .vdi and mount the .vmdk to the VM. And ltsp image will be able to read it.
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| 18:05 | <anavari[m]> thanks
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| 18:06 | It is copy in virtual media manager
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| 18:06 | <alkisg> 👍️
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| 23:09 | wyre is now away: Auto away at Thu Jul 6 23:07:29 2023 UTC | |