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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).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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Encrypt whole system? (sh.itjust.works)

submitted 2 months ago by [email protected] to c/[email protected]

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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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[–] [email protected] -2 points 2 months ago (1 children)

I can sleep "sleep". All system components are still powered on at this stage, so it uses the most power. But at the same time it's the quickest to get back into your system. All that's really happening with sleep is that the screen turns off.

Then you have suspend. Laptops often first go to sleep but then suspend after a long period of inactivity to save battery.

Then you have hibernation. I don't think this is used that often nowadays.

[–] [email protected] 12 points 2 months ago* (last edited 2 months ago)

I have never met anyone refer to "screen off" as "sleep".

https://en.wikipedia.org/wiki/Sleep_mode

The terms everybody else are using are: "sleep" = "suspend to RAM" = "S3" and "hibernation" = "suspend to disk".