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Simple and de-facto way to encrypt files and directories in Linux (sopuli.xyz)

submitted 3 months ago* (last edited 3 months ago) by sapporo@sopuli.xyz to c/programming@programming.dev

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Namely, de-facto, or one of, in Linux. Mature. No GUI. Open-source and free.

What is it? GPG or anything else?

For a separate file(s), or directory(ies), and not for the entire disk or partition.

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[–] Max_P@lemmy.max-p.me 21 points 3 months ago (3 children)

If you use ext4 or other filesystem that supports fscrypt, you can use fscrypt to encrypt specific directories.

There's also gocryptfs for a fuse-based userspace implementation.

ZFS has built-in encryption: https://klarasystems.com/articles/openzfs-native-encryption/

[–] sapporo@sopuli.xyz 2 points 3 months ago (1 children)

I don't want to encypt them in-place because I'll be uploading them onto a server, copying them on an external drive.

[–] azthec@feddit.nl 3 points 3 months ago* (last edited 3 months ago)

I've been using gocryptfs now for a few years and it works fine as you describe.

You initiate the encrypted folder, set up automatic backups for it. Then whenever you want to access it you mount it into another folder.

There is a distinction here between the permanently encrypted folder that you can upload backup whatever, and your temporary mount, unencrypted folder.

If you're alright with the rare conflicts to fix yourself something like syncthing works well for this setup even across computers.

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