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Michel Le Cocq 2020-06-23 10:04:02 +02:00
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disable-encrypt-swap-partition.md

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% This is my title # disable encrypt swap partition
# disable encrypt swap partition ## prerequisite
## prerequisite * This setup is based on [encrypt swap partition](./encrypt-swap-Ubuntu-20.04)
* all command bellow are run has root
* This setup is based on [encrypt swap partition](./encrypt-swap-Ubuntu-20.04)
* all command bellow are run has root ## disable encrypt swap partition
## disable encrypt swap partition * Turn off swap
* Turn off swap ~~~
swapoff /dev/mapper/cryptswap1
~~~ ~~~
swapoff /dev/mapper/cryptswap1
~~~ * Undo the existing mapping.
* Undo the existing mapping. ~~~
cryptsetup luksClose /dev/mapper/cryptswap
~~~ ~~~
cryptsetup luksClose /dev/mapper/cryptswap
~~~ * remove your encrypt swap device define in your /etc/crypttab
* remove your encrypt swap device define in your /etc/crypttab * ajust /etc/fstab to use your real swap partition
* ajust /etc/fstab to use your real swap partition ~~~
/dev/nvme0n1p2 none swap discard 0 0
~~~ ~~~
/dev/nvme0n1p2 none swap discard 0 0
~~~ /!\ le point ci-dessous est sans doute inutile
/!\ le point ci-dessous est sans doute inutile * Change your /etc/default/grub GRUB_CMDLINE_LINUX_DEFAULT to point to your real partition
* Change your /etc/default/grub GRUB_CMDLINE_LINUX_DEFAULT to point to your real partition ~~~
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash resume=/dev/nvme0n1p2"
~~~ ~~~
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash resume=/dev/nvme0n1p2"
~~~ ~~~
update-grub
~~~ ~~~
update-grub
~~~ * edit /etc/initramfs-tools/conf.d/resume. Replace the existing RESUME line with the following line.
* edit /etc/initramfs-tools/conf.d/resume. Replace the existing RESUME line with the following line. ~~~
RESUME=/dev/nvme0n1p2
~~~ ~~~
RESUME=/dev/nvme0n1p2
~~~ Register these changes.
Register these changes. ~~~
update-initramfs -u -k all
~~~ ~~~
update-initramfs -u -k all
~~~ * make your partition a swap
* make your partition a swap ~~~
mkswap /dev/nvme0n1p2
~~~ ~~~
mkswap /dev/nvme0n1p2
~~~ * activate swap
* activate swap ~~~
swapon -a
~~~ ~~~
swapon -a
~~~