John Small JohnSmall
JohnSmall
/ bitcoin-pay.rb
Created
July 28, 2018 15:36
— forked from Sjors/bitcoin-pay.rb
This script demonstrates how a bitcoin transaction is created and signed. Just pass in your own address and private key and it will prepare a transaction for you. You can then copy & paste that transaction into a webservice like Blockchain to send it. I wrote this mostly to understand better how it works. I sometimes had to "cheat" and look at t…
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| #!/usr/bin/env ruby | |
| require 'open-uri' | |
| require 'JSON' | |
| require 'digest/sha2' | |
| require 'pry' | |
| require 'bigdecimal' | |
| require 'bitcoin' # Because I need to cheat every now and then | |
| # Usage: | |
| # gem install pry json ffi ruby-bitcoin |
JohnSmall
/ digital-ocean-rails.sh
Last active
February 19, 2017 14:58
Handy script to prepare a bare Digital Ocean droplet for Rails deployed via Capistrano
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| #! /bin/bash | |
| # this is a useful little script to setup a rails user, with postgresql, and nginx version of Phusion Passenger on a Digital Ocean droplet | |
| # Once run it's ready to recieve a Capistrano deployment. | |
| # The best way to run it is ssh root@my_do_host 'bash -s' < digital-ocean-rails.sh | |
| set -e -x # die on the first error and send stdout to /var/log/syslog | |
| #create a password and save it | |
| PWD=$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 20 | head -n 1) | |
| mkdir -p passwords | |
| echo "rails,$PWD" >> passwords/users.txt | |
| #create a user called rails and allow them to sudo without a password |