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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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[–] GadgeteerZA@fedia.io 1 points 7 months ago

@WbrJr@lemmy.ml I'm on Manjaro Linux but principles are the same. I have an SSD boot drive and a 4TB hard drive for /home data etc. I also have a second 4TB drive for backups:

Timeshift app - does snapshots of OS to backup drive. I have 4x hourly snapshots, 2 daily ones, and one weekly one. This allows easy roll back from any updates or upgrades that went wrong.
luckyBackup app - does a full rsync backup daily of /home data and configs. There are other rsync apps too, and you can opt for versions it you have space. But usually I've been fine with recovering anything I deleted or overwrote by mistake. I do this more for hard drive failure. I do also have one additional 1TB drive I keep in a safe. I connect this myself once a month or so for an offline backup.