Luis Quiñones luisnquin

Setting up qemu VM using nix flakes

Did you know that it is rather easy to setup a VM to test your NixOs configuration?

Create simple flake:

# flake.nix
{
  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";

Using the nipkgs unstable channel

Motivation

There a times when you need to build something from the nix unstable channel. For example the master contains a new package you need, but the next nixpkgs release is somewhere in the future, and you need this package now. In this guide I want to show how to install packages from unstable by using nix-env. Furthermore I hope to give a basic understanding of the channels concept.

What are nix channels?

A channel is a set of expressions which includes severall build, installation and configuration instructions for packages, services and the system itself. The repository normaly used here is nixpkgs. It is developed at https://github.com/NixOS/nixpkgs.

What is the nix unstable channel?

The unstable channel is a copy of the NixOS/nixpkgs master. It is pulled from github once in a while and will be available from a mirror under https://nixos.org/channels/nixpkgs-unstable. Since NixOS uses half-anual released stable channels, some changes (especially new f

the following regex will validate all examples provided here: https://www.conventionalcommits.org/en/v1.0.0/

  ^(build|chore|ci|docs|feat|fix|perf|refactor|revert|style|test){1}(\([\w\-\.]+\))?(!)?: ([\w ])+([\s\S]*)

a grep/posix compatible variant

  ^(build|chore|ci|docs|feat|fix|perf|refactor|revert|style|test){1}(\([[:alnum:]._-]+\))?(!)?: ([[:alnum:]])+([[:space:][:print:]]*)

Requirements

maim
xclip

Set-up

Set this on your i3 config file ~/.i3/config

# Screenshots

Renew GPG key

Given that your key has expired.

$ gpg --list-keys
$ gpg --edit-key KEYID

Use the expire command to set a new expire date:

Go (Golang) GOOS and GOARCH

All of the following information is based on go version go1.17.1 darwin/amd64.

GOOS Values

GOOS	Out of the Box
`aix`	✅
`android`	✅

	#!/bin/sh

	# cite
	# https://stackoverflow.com/a/40866205

	# USAGE:
	# download-aws.sh <bucket> <region> <source-file> <dest-file>

	set -e

	package extraLarge;

	/**
	* The goal of this program is to obtain a HEALTHY
	* and SUSTAINABLE relationship, darling.
	*
	* @author Cassie Wei from Mili
	*/
	public class sustainPlusPlus {
	public static void main(String[] args) {

	@font-face {
	font-family: 'JetBrains Mono';
	src: url('https://cdn.jsdelivr.net/gh/JetBrains/JetBrainsMono/web/woff2/JetBrainsMono-Bold-Italic.woff2') format('woff2'),
	url('https://cdn.jsdelivr.net/gh/JetBrains/JetBrainsMono/web/woff/JetBrainsMono-Bold-Italic.woff') format('woff');
	font-weight: 700;
	font-style: italic;
	font-display: swap;
	}

	@font-face {

	# ~/.config/starship.toml

	[battery]
	full_symbol = "🔋"
	charging_symbol = "🔌"
	discharging_symbol = "⚡"

	[[battery.display]]
	threshold = 30
	style = "bold red"