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Every god damn time! (infosec.pub)

submitted 9 months ago by [email protected] to c/[email protected]

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[–] [email protected] 41 points 9 months ago (20 children)

Ok, I don’t get it. Can you explain it to me?

[–] [email protected] 53 points 9 months ago (19 children)

Timeshift works only with BTRFS subvolumes, thus, if you wanna have backups (snapshots), you have to have subvolumes and not install in the root of a BTRFS filesystem 😔.

[–] [email protected] 2 points 9 months ago* (last edited 9 months ago) (8 children)

Timeshift

Oh okey so if I have Snapper already, nothing I need to worry about?

[–] [email protected] 2 points 9 months ago (1 children)

Snapper also uses btrfs subvolumes to create snapshots, so if you did create them during your installation process, nothing to worry about.

I don't remember if there is a way to create them after the installation, neither if it's a tough process tho. I used to simply reinstall when I messed up with the subvolumes.

[–] [email protected] 2 points 9 months ago (1 children)

sudo btrfs subvolumes create /path/to/subvolume

If you don't configure anything, root will already be a subvolume.

If you wanna make a used directory a subvolume, you have to move the contents first, and move them back after creation.

The only thing that takes time here is the move

[–] [email protected] 1 points 9 months ago* (last edited 9 months ago) (2 children)

Yeah, but Timeshift uses the Ubuntu style subvolume naming, @ for root, @home for /home, so you have to create them that way, otherwise, it won't work. It can work if you tell it to ignore home, but checks for @ as root on start up.

[–] [email protected] 2 points 9 months ago* (last edited 9 months ago) (1 children)

Check out Btrfs Assistant. It does what Timeshift does with a similar UI but works with any subvolume layout.

[–] [email protected] 1 points 9 months ago

Hm, will check it out, thanks for the suggestion 😉.

[–] [email protected] 2 points 9 months ago (1 children)

Wasn't aware of that, using snapper for my snapshotting needs.

[–] [email protected] 1 points 9 months ago* (last edited 9 months ago) (1 children)

I haven't tried it. Does it have like daily, weekly, monthly snapshots setup?

[–] [email protected] 2 points 9 months ago

You can have hourly, daily, weekly, monthly and yearly. I also use snap-pac to make snapshots before and after pacman transactions.

Check out https://wiki.archlinux.org/title/Snapper

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