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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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How do you backup? (lemm.ee)

submitted 10 hours ago by Zenlix@lemm.ee to c/linux@lemmy.ml

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I recently implemented a backup workflow for me. I heavily use restic for desktop backup and for a full system backup of my local server. It works amazingly good. I always have a versioned backup without a lot of redundant data. It is fast, encrypted and compressed.

But I wondered, how do you guys do your backups? What software do you use? How often do you do them and what workflow do you use for it?

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[–] Vintor@lemm.ee 2 points 9 hours ago* (last edited 9 hours ago) (3 children)

I've found that the easiest and most effective way to backup is with an rsync cron job. It's super easy to setup (I had no prior experience with either rsync or cron and it took me 10 minutes) and to configure. The only drawback is that it doesn't create differential backups, but the full task takes less than a minute every day so I don't consider that a problem. But do note that I only backup my home folder, not the full system.

For reference, this is the full line I use: sync -rau --delete --exclude-from='/home//.rsync-exclude' /home/ /mnt/Data/Safety/rsync-myhome

".rsync-exclude" is a file that lists all files and directories I don't want to backup, such as temp or cache folders.

(Edit: two stupid errors.)

[–] dihutenosa@lemm.ee 2 points 2 hours ago

Rsync can do incremental backups with a command-line switch and some symlink jugglery. I'm using it to back up my self-hosted stuff.

[–] everett@lemmy.ml 0 points 3 hours ago (1 children)

only drawback is that it doesn't create differential backups

This is a big drawback because even if you don't need to keep old versions of files, you could be replicating silent disk corruption to your backup.

[–] suicidaleggroll@lemm.ee 1 points 2 minutes ago* (last edited 2 minutes ago)

It’s not a drawback because rsync has supported incremental versioned backups for over a decade, you just have to use the --link-dest flag and add a couple lines of code around it for management.

[–] atzanteol@sh.itjust.works 3 points 8 hours ago

You might be interested in "rsnapshot" which uses rsync and manages daily, monthly, etc. snapshots.