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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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Help request: labeling BTRFS encrypted partitions (feddit.de)

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

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I've installed Fedora 38 with an encrypted system partition since I'll be traveling with my device. OS is running fine but now I'd like to have a more human readable label in dolphin for that partition. All renaming attempts in the terminal with "e2label" and "btrfs filesystem label" failed. The KDE partition manager didn't help either. Disks at least shows me the option to add a label, but can't unmount the partition to do so (Error unmounting, udisks-error-quark, 14).

Does anyone have any experience and would like to share?

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

Changing the label should also work during operation.

For example, it should be sufficient to run sudo btrfs filesystem label / newlabel to change the label of the root partition (/) to newlabel.

If I'm not mistaken (can't test it right now), you have to specify the mountpoint when the partition is mounted. And in unmounted state the device (e.g. /dev/sda).

[–] [email protected] 2 points 1 year ago* (last edited 1 year ago)

sudo btrfs filesystem label

I did do just that to no avail. No error message either. I managed to find this however:

"btrfs filesystem show" works. I do not know what "lsblk requires a udevadm trigger" means but I'll look into it