this post was submitted on 09 Apr 2024
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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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I want to start with Btrfs and snapshots, is there a good, beginner friendly tutorial for those coming from a ext* filesystem?
If you try a distro that does it by default then it is no more complicated then ext4 for the user. The distro will setup things for you. I know that opensuse Tumbleweed and Fedora Workstation set this up by default. Manually configuring is how ever a bit more complicated.
Albeit not completely beginner friendly, the arch wiki explains btrfs features and manual configuration pretty well. If you are looking for a guide to a snapshot tool, then it depends on your distro, but they probably have an article for it as well (also, check the "related articles" section at the top of the page).
Great question!
EndeavourOS has a great little wiki of tutorials around BTRFS and setting up snapshots, that's a lot more friendly than just reading wiki manuals.
Here's a link to the one about getting snapshots and rollbacks set up.
https://discovery.endeavouros.com/encrypted-installation/btrfs-with-timeshift-snapshots-on-the-grub-menu/2022/02/
Alternatively, I run OpenSUSE Tumbleweed on my main production rig and it uses BTRFS and sets up snapshots from the GRUB menu for you by default!
I'm also using Nvidia, so while it's gotten better and I haven't had to roll back in a long time, Snapper has saved my butt once or twice in the past. ;)
Just install your system on btrfs and figure the rest out later