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@SwitHak
SwitHak / 20211210-TLP-WHITE_LOG4J.md
Last active March 11, 2026 09:27
BlueTeam CheatSheet * Log4Shell* | Last updated: 2021-12-20 2238 UTC

Security Advisories / Bulletins / vendors Responses linked to Log4Shell (CVE-2021-44228)

Errors, typos, something to say ?

  • If you want to add a link, comment or send it to me
  • Feel free to report any mistake directly below in the comment or in DM on Twitter @SwitHak

Other great resources

  • Royce Williams list sorted by vendors responses Royce List
  • Very detailed list NCSC-NL
  • The list maintained by U.S. Cybersecurity and Infrastructure Security Agency: CISA List

Phoenix 1.4.x to 1.5.0 upgrade instructions

Phoenix 1.5 requires Elixir >= 1.7. Be sure your existing version is up to date by running elixir -v on the command line.

Install the new phx.new project generator

$ mix archive.uninstall phx_new
$ mix archive.install hex phx_new 1.5.0
@brycejohnston
brycejohnston / ubuntu1804_ruby_elixir.md
Last active June 6, 2022 11:56
Ubuntu 18.04 / 18.10 Ruby and Elixir Development Setup

Ubuntu 18.04 / 18.10 Ruby and Elixir Development Setup

Guide to setting up a new Ubuntu 18.04 dev environment with Ruby and Elixir installed with the asdf version management tool.

Update system and install prerequisite packages

Some of these packages may already be installed

sudo apt-get install make binutils gcc build-essential \
 git curl zlib1g-dev openssl libssl-dev libreadline-dev \
@brandoncc
brandoncc / config.yml
Last active October 26, 2018 17:47
nanobox circleci config
version: 2
jobs:
test-job:
machine: true
steps:
- checkout
- run: sudo bash -c "$(curl -fsSL https://s3.amazonaws.com/tools.nanobox.io/bootstrap/ci.sh)"
- run: nanobox evar add local CLOUDINARY_API_KEY=$CLOUDINARY_API_KEY
@lauraturk
lauraturk / circleci-heroku-continuous-deployment2.0.md
Last active November 23, 2021 15:28
instructions for deploying from circleci2.0 to heroku
@theorygeek
theorygeek / association_loader.rb
Last active June 6, 2025 19:25
Preloading Associations with graphql-batch
# frozen_string_literal: true
class AssociationLoader < GraphQL::Batch::Loader
attr_reader :klass, :association
def initialize(klass, association)
raise ArgumentError, "association to load must be a symbol (got #{association.inspect})" unless association.is_a?(Symbol)
raise ArgumentError, "cannot load associations for class #{klass.name}" unless klass < ActiveRecord::Base
raise TypeError, "association #{association} does not exist on #{klass.name}" unless klass.reflect_on_association(association)
@klass = klass
@brendanzab
brendanzab / reactive_systems_bibliography.md
Last active October 7, 2025 18:42
A reading list that I'm collecting while building my Rust ES+CQRS framework: https://github.com/brendanzab/chronicle

Functional, Reactive, and Distributed Systems Bibliography

Books

@briankung
briankung / docker-pry-rails.md
Last active January 2, 2025 05:19
Using pry-rails with Docker
@dgvncsz0f
dgvncsz0f / yyy_controler.ex
Last active September 13, 2016 04:42
zipflow + erlcloud
defmodule ErlCloud do
require Record
import Record, only: [defrecord: 2, extract: 2]
defrecord :aws_config, extract(:aws_config, from_lib: "erlcloud/include/erlcloud_aws.hrl")
end
defmodule Yyy.YyyController do
use Yyy.Web, :controller
@sigma
sigma / redis-mini.nix
Created April 17, 2016 06:30
minimal #redis #docker image with #nix
{ 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";