automatic bind mount/unmount (discuss.tchncs.de)

submitted 2 months ago* (last edited 2 months ago) by linuxPIPEpower@discuss.tchncs.de to c/linux4noobs@programming.dev

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I have bind mounts configured in my /etc/fstab. The source (i.e. where the files physically exist) is on a removable USB drive.

Right now it works but I have to mount/unmount everything individually when I plug/unplug the drive. I would like to be able to have the bind mounts follow the state of of the USB drive automatically.

Is there a way?

Edit here is relevant section of fstab:

/dev/mapper/external-crypt	/mount/external		auto	nosuid,nodev,nofail,x-systemd.device-timeout=5	0 0
/mount/external/realfolder	/home/user/folder	none	bind,nofail	0 0

So when I run sudo mount "/mount/external" I want sudo mount /home/user/folder to be implied; likewise for umount.

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[-] tal@lemmy.today 2 points 2 months ago* (last edited 2 months ago)

Yeah, and you may very well be giving him the right answer; he very well may be just be accidentally using the term, and actually thinking of a regular mount. I gave a response specific to bind mounts as a top level comment.

EDIT: Yeah, he put a portion of his fstab up there

he's after honest-to-God bind mounts (or at least, that's what he's presently using).

this post was submitted on 26 Jun 2026

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