XSystem252

How To Set Up a Raspberry Pi 4 with Archlinux 64-bit (AArch64) and Full Disk Encryption (+SSH unlock), USB Boot (No SD-Card) and btrfs

Written by: XSystem
First published on: 20 Dec 2020
Last updated on: 20 Dec 2020

[0] Introduction

Overview

heri16

--- /usr/share/libalpm/hooks/90-mkinitcpio-install.hook	2020-03-05 12:45:41.000000000 +0800
+++ /etc/pacman.d/hooks/90-mkinitcpio-install.hook	2020-06-13 23:08:32.861202141 +0800
@@ -8,5 +8,7 @@
 [Action]
 Description = Updating linux initcpios...
 When = PostTransaction
-Exec = /usr/share/libalpm/scripts/mkinitcpio-install
+Exec = /usr/local/share/libalpm/scripts/mkinitcpio-install
+Depends = sbsigntools
+Depends = x11-ssh-askpass

bastman

Docker - How to cleanup (unused) resources

Once in a while, you may need to cleanup resources (containers, volumes, images, networks) ...

delete volumes

// see: https://github.com/chadoe/docker-cleanup-volumes

$ docker volume rm $(docker volume ls -qf dangling=true)

$ docker volume ls -qf dangling=true | xargs -r docker volume rm

Changaco

#!/bin/bash
# btrfs-undelete
# Copyright (C) 2013 Jörg Walter <info@syntax-k.de>
# This program is free software; you can redistribute it and/or modify it under
# the term of the GNU General Public License as published by the Free Software
# Foundation; either version 2 of the License, or any later version.

if [ ! -b "$1" -o -z "$2" -o -z "$3" ]; then
	echo "Usage: $0 <dev> <file/dir> <dest>" 1>&2
	echo