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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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One single partition for Linux versus using a partition table? (slrpnk.net)

submitted 1 year ago by [email protected] to c/[email protected]

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Heya folks, some people online told me I was doing partitions wrong, but I’ve been doing it this way for years. Since I’ve been doing it for years, I could be doing it in an outdated way, so I thought I should ask.

I have separate partitions for EFI, /, swap, and /home. Am I doing it wrong? Here’s how my partition table looks like:

FAT32: EFI
BTRFS: /
Swap: Swap
Ext4: /home

I set it up this way so that if I need to reinstall Linux, I can just overwrite / while preserving /home and just keep working after a new install with very few hiccups. Someone told me there’s no reason to use multiple partitions, but several times I have needed to reinstall the OS (Linux Mint) while preserving /home so this advice makes zero sense for me. But maybe it was just explained to me wrong and I really am doing it in an outdated way. I’d like to read what you say about this though.

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[–] [email protected] 3 points 1 year ago (2 children)

I use btrfs for my / because I can use Linux Mint’s Timeshift tool to make snapshots, but I don’t want snapshots of /home to be included. Am I doing this wrong?

[–] [email protected] 8 points 1 year ago (1 children)

You can put your /home on a different BTRFS subvolume and exclude it from being snapshotted.

[–] [email protected] 3 points 1 year ago (1 children)

How about when I reinstall the OS? Will it only affect the / and not touch the /home?

[–] [email protected] 4 points 1 year ago

As long as you don't re-format the partition. Not all installers are created equal, so it might be more complicated to re-install the OS without wiping the partition entirely. Or it might be just fine. I don't really install linux often enough to know that. ¯\_(ツ)_/¯

[–] Infernal_pizza 3 points 1 year ago (1 children)

Not sure if that’s wrong or not tbh, I use snapper instead of timeshift and I wanted /home included in the snapshots anyway (I think it let me set them up as 2 separate jobs). The reason I went with subvolumes instead of separate partitions is that I didn’t have to worry about sizing. I also know I can reinstall to my root subvolume without affecting the others, depending on the installer for your distro I don’t know how easy that is vs just having separate partitions. I played around with it in a VM for a while to see what the backup and restore process is like before I actually committed to anything!

[–] [email protected] 3 points 1 year ago

Alright, thanks, I’ll try some experiments the next time I have the opportunity to do so.