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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

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Encrypt whole system? (sh.itjust.works)

submitted 2 months ago by UnRelatedBurner@sh.itjust.works to c/linux@lemmy.ml

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My laptop isn't under my supervision most of the time. And I'd hate it if someone were to steal my SSD, or whole laptop even, when I'm not around. Is there a way to encrypt everything, but still keep the device in sleep, and unclock it without much delay. It's a very slow laptop. So decryption on login isn't viable, takes too long. While booting up also takes forever, so it needs to be in a "safe" state when simply logged out. Maybe a way that's decrypt-on-demand?

I'm on Arch with KDE.

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[–] UnRelatedBurner@sh.itjust.works 2 points 2 months ago (1 children)

Okay I just had a bit of freetime to test it: doesn't work.. if I log out or sleep, my home dir is still mounted. Meaning it's as good as nothing. Looked at the plasma fix, didn't work. I have a pretty good lead, that I need the topmost template from some wiki:

[Unit]
PartOf=graphical-session.target

Problem is, where in the world should I write this? I really don't expect you to know, but maybe I'm talking to a genius. The internet didn't help, or I used it wrong.

[–] thepiguy@lemmy.ml 1 points 2 months ago (1 children)

The template is supposed to be something that you put in your own systemd services. plasma-kwin_x11.service and plasma-kwin_wayland.service both already have it.

If I have to guess, it is probably a bug that will get fixed sometime in the future, meaning this is not a viable solution until then. Sorry for that.

Just as a last bit of troubleshooting, check if cat ~/.config/startkderc shows systemBoot = true. If it does not, run kwriteconfig6 --file startkderc --group General --key systemdBoot true. I doubt this will change much, but still worth trying.

If I get some free time, I will do some testing and let you know here

[–] UnRelatedBurner@sh.itjust.works 2 points 2 months ago (1 children)

cat ~/.config/startkderc returns systemdBoot=true. I'm guessing you made a typo and this is correct. In this case I guess it just doesn't work on KDE, my next idea is LUKS on /home and hibernating instead of sleeping. Or I always wanted to try a tiling window manager... hm

[–] thepiguy@lemmy.ml 2 points 2 months ago (1 children)

systemdBoot is supposed to be true, not a typo. But yeah, I don't use plasma much so I don't really know how to solve the issue... Sorry for that!

[–] UnRelatedBurner@sh.itjust.works 2 points 2 months ago

No problem, thanks for the help. Also I got news is that I don't have to trust anyone with my laptop, I can keep it by my side after all. Still it's a security mesure, that I didn't solve in time. fun fact: LUKS on /home only breaks KDE. I really don't want to give up kde tho, I put on sway, realised that I needed to memorise console commands to change my fking volumes, so no thank you. I got spoiled by sweet UIs. it's so comfortable that everything is at one place.