On Sun, Oct 04, 2020 at 04:16:33PM +0200, john doe wrote: > I just installed Debian Buster with encrypted LVM. > > In my fstab file, I have: > # <file system> <mount point> <type> <options> <dump> <pass> > /dev/mapper/try02--vg-root / ext4 errors=remount-ro 0 > 1 > > I can't figure out what device I should pass to cryptsetup to avoid the > below error: > > $ cryptsetup -v luksAddKey /dev/mapper/try02--vg-root /etc/keys/root.key > --key-slot=1 > Device /dev/mapper/try02--vg-root doesn't exist or access denied. > Command failed with code -4 (wrong device or file specified). > > > How can I know what device cryptsetupt will accept?
You have to use your underlaying physical device. This is stored in /etc/crypttab. lsblk may be also helpfull. And root rights are required for this operation. Best regards Ulf
