dR3b

What's Cool

Encrypted root partition
- AES-256 bit cipher
- Argon2id variant for PBKDF
- Sha3-512 bit hash
rEFInd bootloader
- With dreary theme
- Optimal Settings (optimized for aesthetics, and boot time)
Boot into backups thanks to refind-btrfs

Minimal example: transcode from MP3 to WMA:
ffmpeg -i input.mp3 output.wma

You can get the list of supported formats with:
ffmpeg -formats

Convert WAV to MP3, mix down to mono (use 1 audio channel), set bit rate to 64 kbps and sample rate to 22050 Hz:

	apiVersion: v1
	kind: ConfigMap
	metadata:
	name: imagecleanupconfig
	namespace: default
	labels:
	component: imagecleanup
	data:
	# removes all images unused by a running container
	cronjobs: 0 0 * * * crictl rmi --prune 2>&1

	# References:
	#
	# https://cinhtau.net/2016/12/09/disable-apt-auto-update-and-upgrade/
	# https://unix.stackexchange.com/questions/315502/how-to-disable-apt-daily-service-on-ubuntu-cloud-vm-image
	# https://askubuntu.com/questions/824718/ubuntu-16-04-unattended-upgrades-runs-at-random-times/831206

	apt-get -y purge update-notifier-common ubuntu-release-upgrader-core landscape-common unattended-upgrades

	systemctl kill --kill-who=all apt-daily.service
	systemctl kill --kill-who=all apt-daily-upgrade.service

	#!/usr/bin/env bash

	set -euo pipefail

	# Always use the by-id aliases for devices, otherwise ZFS can choke on imports.
	DISK=${DISK:-/dev/disk/by-id/nvme-Samsung_SSD_970_EVO_Plus_500GB_S4EVNF0M531397T}
	EFI=${EFI:-true}

	function Usage() {
	echo "usage: $0 install\|revert" >&2

	{

	disabledModules = [ "services/x11/display-managers/sddm.nix" ];

	...

	imports =
	[
	./nixos/modules/services/x11/display-managers/sddm.nix
	];