Chris Troutner christroutner

This file contains a list of commands that can be used to quickly and easily setup a new Ubuntu 20.04 installation.

Update and Upgrade

sudo apt update
sudo apt upgrade

Install SSH Server

sudo apt install openssh-server

Install Basic Apps

Working with JavaScript Buffers, Hex, and Strings

// Start with a normal base-10 number.
const numNum = 123; // 7B in hex
console.log(`numNum: `, numNum);
// numNum:  123

// Convert the Number to a String

	{
	"browser": [
	],
	"node": [
	{
	"name": "psf1.tokentiger.com",
	"multiaddr": "/ip4/143.198.70.59/tcp/5101/p2p/12D3KooWMbU9R49aiYUeFBpxFYK6PggacoeMydaZaR2dzDpWgcA6",
	"connected": false,
	"ipfsId": "12D3KooWMbU9R49aiYUeFBpxFYK6PggacoeMydaZaR2dzDpWgcA6",
	"isBootstrap": true,

	<!DOCTYPE html>

	<!--
	This HTML creates a web page that retrieves the latest copy of the web app
	that was uploaded to Filecoin. It retrieves the hash for the
	site from the BCH blockchain, then navigates the browser to that site, which
	is served by the Filecoin blockchain.
	-->

	<html lang="en">

	{
	"consumerApis": [
	{
	"name": "wa-usa-xec-consumer.fullstackcash.nl",
	"ipfsId": "12D3KooWCTwdBFz7rWYPav54qgKVjPzNNzC46Qdg1w14iSU2mQJo",
	"url": "http://wa-usa-xec-consumer.fullstackcash.nl"
	},
	{
	"name": "xec-consumer-or1-usa.fullstackcash.nl",
	"ipfsId": "12D3KooWJNjbzJuF6suDXdC4eDarTR8Maf8H3fxZEvaTqpiBr7Ma",

	{
	"browser": [
	{
	"name": "p2wdb-cr-wss.fullstack.cash",
	"multiaddr": "/dns4/p2wdb-cr-wss.fullstack.cash/tcp/443/wss/ipfs/12D3KooWKNuBjaMgEDN2tGqzmdfM2bmd22VEuboC4X7x8ua4DvUg",
	"ipfsId": "12D3KooWKNuBjaMgEDN2tGqzmdfM2bmd22VEuboC4X7x8ua4DvUg"
	},
	{
	"name": "ipfs-cr.fullstackslp.nl",
	"multiaddr": "/dns4/ipfs-cr.fullstackslp.nl/tcp/443/wss/ipfs/12D3KooWJyc54njjeZGbLew4D8u1ghrmZTTPyh3QpBF7dxtd3zGY",

	{
	"consumerApis": [
	{
	"name": "wa-usa-bch-consumer.fullstackcash.nl",
	"ipfsId": "12D3KooWBXuJHsAoqkn3NwwFsGzWkNkRYH17RtNJY2snTSxQpikS",
	"url": "https://wa-usa-bch-consumer.fullstackcash.nl"
	},
	{
	"name": "pdx01-usa-bch-consumer.fullstackcash.nl",
	"ipfsId": "12D3KooWEzE3HNH86WCb2Xocu6PgBCnSGUD7myJmuTHvoedMwp7K",

	{
	"browser": [
	{
	"name": "ipfs-wss.psfoundation.info",
	"multiaddr": "/dns4/ipfs-wss.psfoundation.info/tcp/443/wss/ipfs/12D3KooWHnZZBr1VeFoRJPoB6MHqu3RNp1RW6o9nswHzGZuXe27h",
	"ipfsId": "12D3KooWHnZZBr1VeFoRJPoB6MHqu3RNp1RW6o9nswHzGZuXe27h"
	},
	{
	"name": "bchd.nl",
	"multiaddr": "/dns4/bchd.nl/tcp/443/wss/p2p/12D3KooWRBhwfeP2Y9CDkFRBAZ1pmxUadH36TKuk3KtKm5XXP8mA",

	contract Escrow(
	bytes20 sellerPHK, // Hash160 of seller's public key
	bytes20 buyerPKH, // Hash160 of buyer's public key
	bytes20 arbitratorPKH, // Hash160 of arbitrator's public key
	bytes escrowKey // Nonce (just some unimportant random bytes unique per exchange)
	) {
	function spend(
	sig spenderSig,
	pubkey spenderPK,
	datasig oracleSig,

	contract Local(
	bytes20 sellerPHK, // Hash160 of seller's public key
	bytes20 buyerPKH, // Hash160 of buyer's public key
	bytes20 arbitratorPKH, // Hash160 of arbitrator's public key
	bytes escrowKey // Nonce (just some unimportant random bytes unique per exchange)
	) {
	function spend(
	sig spenderSig,
	pubkey spenderPK,
	datasig oracleSig,