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Using LetsEncrypt SSL certificates with AWS Certificate Manager and CloudFront

This is a document for managing LetsEncrypt certificates on AWS using AWS Certificate Manager and configuring on CloudFront using the AWS CLI.

Setup

Follow the instructions to set up the certbot and aws commands on your local machine:

• certbot setup
• AWS CLI setup

kont-noor

This is a simple way of importing MySQL database in Docker.

1. In you Dockerfile you must have a shared folder. Shared folder is a directory in your host machine that is mounted to Docker instance.

2. Put the exported sql file in the shared folder.

3. Login to your Docker instance via docker exec -it DOCKER_CONTAINER_ID bin/bash.

4. Login to MySQL via mysql -u USERNAME -p.

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#!/usr/bin/env bash

uninstall() {
  list=`gem list --no-versions`
  for gem in $list; do
    gem uninstall $gem -aIx
  done
  gem list
  gem install bundler
}

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#!/bin/bash
#
# Bash script to setup headless Selenium (uses Xvfb and Chrome)
# (Tested on Ubuntu 12.04) trying on ubuntu server 14.04

# Add Google Chrome's repo to sources.list
echo "deb http://dl.google.com/linux/chrome/deb/ stable main" | tee -a /etc/apt/sources.list

# Install Google's public key used for signing packages (e.g. Chrome)
# (Source: http://www.google.com/linuxrepositories/)

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Solution to StoreError: invalid keystore format (OS X)

The following error appeared upon upgrading JRuby:

OpenSSL::X509::StoreError: setting default path failed: Invalid keystore format

Download cacert.pem

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tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

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tmux cheatsheet

As configured in my dotfiles.

start new:

tmux

start new with session name:

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Find the SD card device

In this case, the SD card is /dev/disk4. DO NOT get this wrong or you may destroy all the data on the wrong disk/card/drive.

diskutil list

/dev/disk0
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *160.0 GB   disk0

1: EFI 209.7 MB disk0s1

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require 'formula'

class LibusbDevel < Formula
  url 'https://github.com/OpenNI/OpenNI/blob/4dbf64bc45b880bfda6aa6bb2a30d1ddd03a8c65/Platform/Linux/Build/Prerequisites/libusb-1.0.8-osx.tar.bz2?raw=true'
  homepage 'http://www.libusb.org/'
  md5 '8ad20ec24b7612caf75a059a03f21dd8'

  depends_on "automake" => :build
  depends_on "libtool" => :build

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#!/bin/sh
#.git/hooks/pre-commit

patterns=("TODO" "binding.pry" "selenium")

status=0
for pattern in ${patterns[*]}
do
  matches=`git-diff-index -p -M --cached HEAD -- | grep '^+' | grep -i "$pattern"`
  matches_count=`git-diff-index -p -M --cached HEAD -- | grep '^+' | grep -i "$pattern" | wc -l`