add title ans prerequis

This commit is contained in:
Michel Le Cocq 2020-06-23 10:03:08 +02:00
parent 29934bc86e
commit bde59ea303

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@ -1,57 +1,66 @@
## disable encrypt swap partition % This is my title
* Turn off swap # disable encrypt swap partition
~~~ ## prerequisite
swapoff /dev/mapper/cryptswap1
~~~ * This setup is based on [encrypt swap partition](./encrypt-swap-Ubuntu-20.04)
* all command bellow are run has root
* Undo the existing mapping.
## disable encrypt swap partition
~~~
cryptsetup luksClose /dev/mapper/cryptswap * Turn off swap
~~~
~~~
* remove your encrypt swap device define in your /etc/crypttab swapoff /dev/mapper/cryptswap1
~~~
* ajust /etc/fstab to use your real swap partition
* Undo the existing mapping.
~~~
/dev/nvme0n1p2 none swap discard 0 0 ~~~
~~~ cryptsetup luksClose /dev/mapper/cryptswap
~~~
/!\ le point ci-dessous est sans doute inutile
* remove your encrypt swap device define in your /etc/crypttab
* Change your /etc/default/grub GRUB_CMDLINE_LINUX_DEFAULT to point to your real partition
* ajust /etc/fstab to use your real swap partition
~~~
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash resume=/dev/nvme0n1p2" ~~~
~~~ /dev/nvme0n1p2 none swap discard 0 0
~~~
~~~
update-grub /!\ le point ci-dessous est sans doute inutile
~~~
* Change your /etc/default/grub GRUB_CMDLINE_LINUX_DEFAULT to point to your real partition
* edit /etc/initramfs-tools/conf.d/resume. Replace the existing RESUME line with the following line.
~~~
~~~ GRUB_CMDLINE_LINUX_DEFAULT="quiet splash resume=/dev/nvme0n1p2"
RESUME=/dev/nvme0n1p2 ~~~
~~~
~~~
Register these changes. update-grub
~~~
~~~
update-initramfs -u -k all * edit /etc/initramfs-tools/conf.d/resume. Replace the existing RESUME line with the following line.
~~~
~~~
* make your partition a swap RESUME=/dev/nvme0n1p2
~~~
~~~
mkswap /dev/nvme0n1p2 Register these changes.
~~~
~~~
* activate swap update-initramfs -u -k all
~~~
~~~
swapon -a * make your partition a swap
~~~
~~~
mkswap /dev/nvme0n1p2
~~~
* activate swap
~~~
swapon -a
~~~