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add part disable it

Michel Le Cocq 2021-05-11 10:30:02 +02:00
parent 31af11aafe
commit 1fdc14b6f7
1 changed files with 108 additions and 81 deletions
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29
encrypt-swap-Ubuntu-20.04.md

@ -1,4 +1,4 @@
# encrypt swap Ubuntu 20.04 with hibernation
# encrypt swap Ubuntu with hibernation
## prerequisite
@ -69,6 +69,32 @@ GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
root@laptop:/root# update-grub
~~~
### disable encrypted swap
~~~
root@laptop:/root# swapoff -a
root@laptop:/root# cryptsetup close cryptswap
root@laptop:/root# mkswap /dev/nvme0n1p2
root@laptop:/root# printf "RESUME=/dev/nvme0n1p2" | tee /etc/initramfs-tools/conf.d/resume
~~~
* ajust /etc/fstab to
~~~
/dev/nvme0n1p2 none swap discard 0 0
#/dev/mapper/cryptswap none swap discard 0 0
~~~
* check
~~~
root@laptop:/root# swapon -a
root@laptop:/root# swapon --summary
Nom de fichier Type Taille Utilisé Priorité
/dev/nvme0n1p2 partition 32653308 0 -2
root@laptop:/root#
~~~
### to be solve
~~~
@ -76,6 +102,7 @@ cryptsetup: ERROR: Couln't resolve device rpool/ROOT/ubuntu_...
cryptsetup: WARNING: Couln't determine root device
~~~
## sources
* [wiki.archlinux.org - dm-crypt/Swap encryption](https://wiki.archlinux.org/index.php/Dm-crypt/Swap_encryption#LVM_on_LUKS)
* [help.ubuntu.com - Enable Hibernate With Encrypted Swap](https://help.ubuntu.com/community/EnableHibernateWithEncryptedSwap)