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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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BTRFS subvolumes: setup /home/user in different partition (lemmy.ml)

submitted 6 months ago by gcala@lemmy.ml to c/linux@lemmy.ml

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Hi, I'm just starting exploring btrfs volume concepts; currently my testing setup has three subvolumes: root, var, home; is it possible have user home folder (I mean /home/user, not all /home) in a different partition? Thanks for suggestions

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[–] gcala@lemmy.ml 2 points 6 months ago (1 children)

Thanks for the detailed answer. If i go with one partition/multiple subvolumes, is it possible create a subvolume for my "user" home that is encrypted with luks?

[–] nous@programming.dev 3 points 6 months ago* (last edited 6 months ago)

subvolumes are integral to btrfs. You cannot have a layer like luks between them. You can encrypt the whole partition with luks before btrfs or you can encrypt specific directories after btrfs with something like encfs or truecrypt, though doing so loses some of the benefits of btrfs as it can no longer see your individual files.

If you wanted just /home encrypted with luks it would need to be a separate partition (which you could then have btrfs inside with subvolumns on that). Though IMO that gets a bit complicated - I would just opt for encrypting everything (except boot) on the root partition and have one btrfs fs on that partition with as many subvolumes inside that as you like.