bryanhuntesl

How to create an HTTPS certificate for localhost domains

This focuses on generating the certificates for loading local virtual hosts hosted on your computer, for development only.

Do not use self-signed certificates in production ! For online certificates, use Let's Encrypt instead (tutorial).

bryanhuntesl

Bucket Types

Bucket types were added in 2.0 to eliminate the need for each bucket to have it's own custom bucket properties. If buckets share the same custom bucket properies, a bucket type can be created for them.

Creating Bucket Types

To get started, you'll want to create a new bucket type with:

riak-admin bucket-type create  

bryanhuntesl

version: "3"
services:
  db:
    image: "postgres"
    container_name: "postgres_db"
    environment:
      - POSTGRES_USER=postgres
      - POSTGRES_PASSWORD=postgres
      - POSTGRES_DB=db
    ports:

bryanhuntesl

%% Config file used to set advanced configuration options

[
 {riak_kv, [
        {delete_mode, immediate} 
    ]},
{lager,
   [
      {extra_sinks,
           [

bryanhuntesl

defmodule Diff do
  def diff(left, right, %{diff_type: :cli} = config) do
    # %{enabled: true}
    Diff.Cli.diff(left, right, config)
  end

  def format_sides(left, right, formatter) do
    case format_diff(left, right, formatter) do
      {left, right} ->
        {IO.iodata_to_binary(left), IO.iodata_to_binary(right)}

bryanhuntesl

@startuml
' uncomment the line below if you're using computer with a retina display
' skinparam dpi 300
!define Table(name,desc) class name as "desc" << (T,#FFAAAA) >>
' we use bold for primary key
' green color for unique
' and underscore for not_null
!define primary_key(x) <b>x</b>
!define unique(x) <color:green>x</color>
!define not_null(x) <u>x</u>

bryanhuntesl

defmodule DockerApi do
  @version "v1.37"
  @endpoint URI.encode_www_form("/var/run/docker.sock")
  @protocol "http+unix"

  def commit(container_id, payload) do
    # commit image
    {:ok, %{body: body}} =
      HTTPoison.post(
        "#{@protocol}://#{@endpoint}/#{@version}/commit?container=#{container_id}",

bryanhuntesl

This is the process of setting up erlang, rebar3, and cowboy for a Hello World, starting with a clean Debian 8 install.

Update apt and install deps:

root@046edcaea45a:~# apt-get update
root@046edcaea45a:~# apt-get install erlang erlang-dev gcc
root@046edcaea45a:~# wget https://s3.amazonaws.com/rebar3/rebar3
root@046edcaea45a:~# mkdir ~/bin/
root@046edcaea45a:~# mv rebar3 ~/bin/
root@046edcaea45a:~# chmod +x ~/bin/rebar3 

bryanhuntesl

List all Git repository objects by size

• Summary
• Example

Summary

Bash script to:

• Iterate all commits made within a Git repository.
• List every object at each commit.

bryanhuntesl

This gist captures what needs to be done to add a new field to Riak's Yokozuna
search index.

Sources:
- https://github.com/basho/yokozuna/issues/130
- http://riak-users.197444.n3.nabble.com/How-to-update-existed-schema-td4032143.html

The code below is for illustration purposes only. Use at your own risk.

1. Create/Update new schema file