Merge branch 'master' of https://lab.neuronfarm.net/nomad/wiki-system.wiki

Firefox-plugins.md

@@ -0,0 +1,6 @@
+* [FreedomMarks](https://github.com/damko/freedommarks-browser-webextension) - Browser extension for Nextcloud Bookmarks
+* [Grammalecte](https://grammalecte.net/) - Correcteur grammatical, orthographique et typographique pour le français.
+* [User-Agent Switcher and Manager](https://add0n.com/useragent-switcher.html) - Spoof websites trying to gather information about your web navigation to deliver distinct content you may not want
+* [Wallabagger](https://github.com/wallabag/wallabagger)
+Extension pour Wallabag qui permet d'éditer le titre de la page, les tags, changer l'état en tant que favori, archivé ou supprimé.
+* [Dark Reader](http://darkreader.org/) - Un thème sombre pour chaque site Web. Prenez soin de vos yeux, utilisez Dark Reader pour votre navigation nocturne et quotidienne.

Unbuntu-20.04-encrypt-ZFS-install.md

@@ -74,3 +74,4 @@ Run ubiquity to start the installer and install as normal, selecting “Use enti
 ## questions to be solves
 
 * what happen if zpool passwd is not given at boot shutdown ?
+* find a way to shut it down pass a delay

disable-encrypt-swap-partition.md

@@ -0,0 +1,71 @@
+# disable encrypt swap partition
+
+## prerequisite
+
+* This setup is based on [encrypt swap partition](./encrypt-swap-Ubuntu-20.04)
+* all command bellow are run has root
+
+## disable encrypt swap partition
+
+* Turn off swap
+
+~~~
+root@laptop:/root# swapoff /dev/mapper/cryptswap
+~~~
+
+* Undo the existing mapping.
+
+~~~
+root@laptop:/root# cryptsetup luksClose /dev/mapper/cryptswap
+~~~
+
+* remove your encrypt swap device define in your **/etc/crypttab** 
+
+* ajust **/etc/fstab** to use your real swap partition 
+
+~~~
+/dev/nvme0n1p2   none   swap   discard   0   0
+~~~
+
+* make your partition a swap
+
+~~~
+root@laptop:/root# mkswap /dev/nvme0n1p2
+~~~
+
+* activate swap
+
+~~~
+root@laptop:/root# swapon -a
+~~~
+
+* remove file */etc/initramfs-tools/conf.d/resume*
+
+~~~
+root@laptop:/root# rm /etc/initramfs-tools/conf.d/resume
+~~~
+
+Register these changes.
+
+~~~{bash}
+root@laptop:/root# update-initramfs -u -k all
+update-initramfs: Generating /boot/initrd.img-5.4.0-37-generic
+cryptsetup: ERROR: Couldn't resolve device rpool/ROOT/ubuntu_0ctpm6
+cryptsetup: WARNING: Couldn't determine root device
+I: The initramfs will attempt to resume from /dev/nvme0n1p2
+I: (UUID=09c1daa8-a572-41b9-8655-c38ea7778723)
+I: Set the RESUME variable to override this.
+root@laptop:/root#
+~~~
+
+* Change your /etc/default/grub GRUB_CMDLINE_LINUX_DEFAULT to point to your real partition
+
+~~~
+GRUB_CMDLINE_LINUX_DEFAULT="quiet splash resume=UUID=09c1daa8-a572-41b9-8655-c38ea7778723"
+~~~
+
+~~~
+root@laptop:/root# update-grub
+~~~
+
+Next you need to reboot to enable everything and test it.

encrypt-swap-Ubuntu-20.04.md

@@ -0,0 +1,81 @@
+# encrypt swap Ubuntu 20.04 with hibernation
+
+## prerequisite
+
+* all command bellow are run has root
+* install ecryptfs
+
+~~~{bat}
+root@laptop:/root# install apt-get install ecryptfs-utils
+~~~
+
+## encrypt swap
+
+* turn off current swap
+
+~~~
+root@laptop:/root# swapoff -a
+~~~
+
+* encrypt swap partition
+
+~~~
+root@laptop:/root# cryptsetup luksFormat --cipher aes-xts-plain64 --verify-passphrase --key-size 256 /dev/nvme0n1p2
+root@laptop:/root# cryptsetup open /dev/nvme0n1p2 cryptswap
+~~~
+
+* set up the crypt partition as swap.
+
+~~~
+root@laptop:/root# mkswap /dev/mapper/cryptswap
+~~~
+
+* 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
+~~~
+
+* enable swap
+
+~~~
+root@laptop:/root# swapon -a
+~~~
+
+* edit **/etc/initramfs-tools/conf.d/resume**. Replace the existing **RESUME** line with the following line.
+
+~~~
+root@laptop:/root# printf "RESUME=/dev/mapper/cryptswap" | tee /etc/initramfs-tools/conf.d/resume
+~~~
+
+* Register these changes.
+
+~~~
+root@laptop:/root# update-initramfs -u -k all
+~~~
+
+
+* Change your /etc/default/grub GRUB_CMDLINE_LINUX_DEFAULT to point to remove or be sure there is nothing in resume
+
+GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
+
+~~~
+root@laptop:/root# update-grub
+~~~
+
+### to be solve
+
+~~~
+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)

right-fit-swap-for-laptop-hibernation-Ubuntu-20.04-full-ZFS-install.md

@@ -98,99 +98,6 @@ HandleSuspendKey=suspend-then-hibernate
 HandleLidSwitch=suspend-then-hibernate
 ~~~
 
-## encrypt swap partition
-
-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)
-
-~~~
-apt-get install ecryptfs-utils
-swapoff -a
-cryptsetup luksFormat --cipher aes-xts-plain64 --verify-passphrase --key-size 256 /dev/nvme0n1p2
-cryptsetup open /dev/<device> swapDevice
-mkswap /dev/mapper/mkswap /dev/mapper/swapDevice
-~~~
-
-edit : /etc/default/grub
-
-~~~
-GRUB_CMDLINE_LINUX_DEFAULT="quiet splash resume=/dev/mapper/swapDevice"
-~~~
-
-~~~
-update-grub
-~~~
-
-Now ajust /etc/fstab to use your mapper, replace your encrypt swap device like bellow :
-
-~~~
-/dev/nvme0n1p2   none   swap   discard   0   0
-~~~
-
-remove your encrypt swap device define in /etc/crypttab
-
-~~~
-swapDevice   /dev/nvme0n1p2		none	luks
-~~~
-
-~~~
-swapon -a
-~~~
-
-Register these changes.
-
-~~~
-update-initramfs -u -k all
-~~~
-
-## disable encrypt swap partition
-
-* Turn off swap
-
-~~~
-swapoff /dev/mapper/cryptswap1
-~~~
-
-* remove your encrypt swap device define in your /etc/crypttab 
-
-* ajust /etc/fstab to use your real swap partition 
-
-~~~
-/dev/nvme0n1p2   none   swap   discard   0   0
-~~~
-
-* Change your /etc/default/grub GRUB_CMDLINE_LINUX_DEFAULT to
-
-~~~
-GRUB_CMDLINE_LINUX_DEFAULT="quiet splash resume=/dev/nvme0n1p2"
-~~~
-
-* edit /etc/initramfs-tools/conf.d/resume. Replace the existing RESUME line with the following line.
-
-~~~
-RESUME=/dev/nvme0n1p2
-~~~
-
-* make your partition a swap
-
-~~~
-mkswap /dev/nvme0n1p2
-~~~
-
-* activate swap
-
-~~~
-swapon -a
-~~~
-
-### to be solve
-
-~~~
-cryptsetup: ERROR: Couln't resolve device rpool/ROOT/ubuntu_...
-cryptsetup: WARNING: Couln't determine root device
-~~~
-
 ## xfce4-power-manager suspend to hibernate option
 
 source : [docs.xfce.org - Frequently Asked Questions - Xfce4 Power Manager](https://docs.xfce.org/xfce/xfce4-power-manager/faq)

xubuntu-XPS-13-7390-2-in-1--.md

@@ -1,3 +1,4 @@
+<<<<<<< HEAD
 # Xubuntu on XPS 13 7390 2 in 1 
 ## sources
 * [Gentoo wiki -  Dell XPS 13 2-in-1 (7390)](https://wiki.gentoo.org/wiki/Dell_XPS_13_2-in-1_(7390))