1.3 KiB
1.3 KiB
encrypt swap partition
sources :
- wiki.archlinux.org - dm-crypt/Swap encryption
- help.ubuntu.com - Enable Hibernate With Encrypted Swap
apt-get install ecryptfs-utils
swapoff -a
cryptsetup luksFormat --cipher aes-xts-plain64 --verify-passphrase --key-size 256 /dev/nvme0n1p2
cryptsetup open /dev/<device> cryptswap
mkswap /dev/mapper/cryptswap
/!\ le point ci-dessous est sans doute inutile
- Change your /etc/default/grub GRUB_CMDLINE_LINUX_DEFAULT to remove resume part wich is now manage by initramfs
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
update-grub
Now ajust /etc/fstab to use your mapper, replace your encrypt swap device like bellow :
/dev/mapper/cryptswap none swap discard 0 0
add your encrypt swap device define in /etc/crypttab
cryptswap /dev/nvme0n1p2 none luks
swapon -a
printf "RESUME=UUID=/dev/mapper/cryptswap" | tee /etc/initramfs-tools/conf.d/resume
Register these changes.
update-initramfs -u -k all
to be solve
cryptsetup: ERROR: Couln't resolve device rpool/ROOT/ubuntu_...
cryptsetup: WARNING: Couln't determine root device