dmalikov

Various blog posts related to Nix and NixOS

---

General

• https://nixos.org/wiki/Main_Page Nix wiki. Awesome resource containing huge amount of manuals and documentation with examples.
• http://aflatter.de/nixos/ Alexander Flatter - NixOS. Installing NixOS inside a VirtualBox with a real-world configuration.nix example.
• http://lethalman.blogspot.it/search/label/nixpills Luca Bruno - Nix Pills. Series of posts describing how to install nix into some environment and how to use it.
• http://looprecur.com/blog/from-ubuntu-to-nixos/ Tim Sears - From Ubuntu to NixOS. Talk about experience migrating from Ubuntu to NixOS.

jbeda

This is taken directly from Figure 5.2 in http://nixos.org/~eelco/pubs/phd-thesis.pdf. It is presented here to be more directly linkable.

serialise(fso) = str("nix-archive-1") + serialise1(fso)

serialise1(fso) = str("(") + seralise2(fso) + str(")")

serialise2(type=Regular, exec, contents) =
  str("type") + str("regular")
 + (

novaluke

Nix seems perfect for developers - until I try to use it...

Want to use Nix for development but you're not sure how? Concerned about the fluidity of nixpkgs channels or not being able to easily install arbitrary package versions?

When I first heard about Nix it seemed like the perfect tool for a developer. When I tried to actually use it for developing and deploying web apps, though, the pieces just didn't seem to add up.

philandstuff

Kush, an introduction to schedulers

about me

• I work for GDS
• Cabinet Office
• we started by building GOV.UK
  • replaced older sites like direct gov, business link
• we’re not just fixing websites
  • we also build and run digital services
  • working with depts across the country
  • eg: register to vote

rvl

# How to build docker images (NIX_PATH and hydra cache required when building off master branch)
#  export NIX_PATH=$HOME/dev
#  nix-build --option extra-binary-caches http://hydra.nixos.org/ test-docker.nix | xargs -n1 docker load -i

with import <nixpkgs> {};

rec {
  # 1. basic example
  bash = dockerTools.buildImage {
    name = "bash";

Kornel

#!/usr/bin/env bash

COWS_PATH="/usr/local/share/cows"

COW_FILES=($(ls $COWS_PATH))
COWS=${#COW_FILES[@]}

rand_cow() {    
  #RAND_IDX=$(($RANDOM % $COWS))
  RAND_IDX=$((`od -vAn -N4 -tu4 < /dev/urandom` % $COWS))

sigma

{ pkgs ? import <nixpkgs> {} }:

with pkgs;
let

  su_exec = pkgs.stdenv.mkDerivation {
    name = "su-exec-0.2";
    src = fetchurl {
      url = https://github.com/ncopa/su-exec/archive/v0.2.tar.gz;
      sha256 = "09ayhm4w7ahvwk6wpjimvgv8lx89qx31znkywqmypkp6rpccnjpc";

pradeepchhetri

#!/usr/bin/python

"""
Script to migrate marathon tasks from the host going for maintenance

optional arguments:
  -h, --help     show this help message and exit
  --url URL      Marathon URL (http://marathon.example.com)
  --hosts HOSTS  Hosts going to go for maintenance

shlonny

[signup] elm-make SignupForm.elm
Some new packages are needed. Here is the upgrade plan.

  Install:
    elm-lang/core 4.0.1

Do you approve of this plan? (y/n) y
Downloading elm-lang/core
Packages configured successfully!
I cannot find module 'Html.App'.

janisz

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