Michel Le Cocq 2020-06-26 08:00:39 +02:00
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Firefox-plugins.md Normal file

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* [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.

@ -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

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# 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.

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# 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)

@ -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)

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<<<<<<< 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))