Tuesday, January 2, 2024

Force unmount stuck LUKS on Linux Mint

If Linux Mint refuses to mount an encrypted external drive that was abruptly disconnected and gives you a message like "file already exists" or something like that, instead of rebooting the system you can try unmounting it from the command line:

sudo udisksctl unmount -b /dev/mapper/luks-xxx-xxx-xxx-xxx-xxx


sudo dmsetup -f remove /dev/mapper/luks-xxx-xxx-xxx-xxx-xxx

Just type until luks and then press tab twice to see what's the id in your case.

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