Expand luks encrypted filesystems

umount /crypto
fsck.ext4 -C 0 -f /dev/mapper/crypto
cryptsetup luksClose crypto
lvextend -L +100M /dev/cryptovg/crypto
cryptsetup luksOpen /dev/cryptovg/crypto crypto
cryptsetup -v resize crypto
fsck.ext4 -f /dev/mapper/crypto
resize4fs /dev/mapper/crypto (you’ll need to install e4fsprogs to use resize4fs)
fsck.ext4 -f /dev/mapper/crypto
mount /dev/mapper/crypto /crypto