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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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What to include in a backup? (Ubuntu) (lemmy.ml)

submitted 7 months ago by WbrJr@lemmy.ml to c/linux@lemmy.ml

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Hi! A friend just recommended the backup tool that comes with Ubuntu. I took a look at it and was wondering what you guys include and exclude from the backups. I just installed wire guard VPN and but the config file in the etc/wireguard folder, where it belongs. I would have to include this folder as well if I want to keep my configs. And I guess many programs do the same, so how do you know what to include, so you can just revert to the last backup if something breaks or you get a new machine? Maybe that is a stupid question, but it was going through my head for some time now. Thanks a lot!

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[–] avidamoeba@lemmy.ca 3 points 7 months ago (1 children)

Does --one-file-system prevent the need for excluding /dev, /sys, etc.?

[–] lemmyvore@feddit.nl 3 points 7 months ago (1 children)

Yes but be careful with that option because it depends how it's implemented by each tool. Some of them will not cross btrfs subvolumes for example.

[–] avidamoeba@lemmy.ca 1 points 7 months ago

Yeah, I think I can see some other funny cases if there's multiple partitions with separate filesystems on them. Just doing the regular tar/rsync with exclusions is likely safer as it would work for either case.