Rafael Carício rafaelcaricio

Setting up fresh Ubuntu server for Ruby on Rails

Once in a while you, as a Ruby developer, are faced with product owner's "Allright, now it's time to make it live". And then you probably think "I'll be fighting with these stubborn servers for next few days....". If you have very simple app or one at the early stages of its lifetime you can use one of "no hassle deployment" platforms like Heroku or OpenShift. But chances are you need some custom stuff that is hard to achieve on these kind of platforms or you just feel better with "root" access.

You have many options for setting up Linux servers. Amongst the most popular ones are Chef and Puppet. Various hosting provider also add their own solutions for provisioning boxes (like Stackscripts on Linode). Or you can do it "the old-school way", manually. If you don't need multiple machines and/or you have just a simple Rails s

hardware/software

Webcam parts:

Raspberry Pi Zero W Rev 1.1
Raspberry Pi Camera v2 (8-megapixel)
Raspberry Pi High Quality Camera (12.3-megapixel)
Raspbian Buster Lite 2020-02-13

Webcam works with:

Windows 10
Windows 10 "Camera" app

	function Robot(robot) {}
	// well, we need to do something...
	// whenever our robot is idle, this method gets called.
	Robot.prototype.onIdle = function(ev) {
	var robot;
	robot = ev.robot;
	robot.ahead(50);
	robot.turn(90);
	robot.rotateCannon(10);
	robot.rotateCannon(-20);

	function Robot(robot) {}
	// well, we need to do something...
	// whenever our robot is idle, this method gets called.
	Robot.prototype.onIdle = function(ev) {
	var robot;
	robot = ev.robot;
	robot.ahead(50);
	robot.turn(90);
	robot.rotateCannon(10);
	robot.rotateCannon(-20);


	//FightCode can only understand your robot
	//if its class is called Robot
	var Robot = function(robot) {

	};

	Robot.prototype.onIdle = function(ev) {
	var robot = ev.robot;
	robot.clone();

	# https://github.com/kubernetes/contrib/blob/master/ingress/controllers/nginx/examples/default-backend.yaml
	apiVersion: v1
	kind: ReplicationController
	metadata:
	name: default-http-backend
	spec:
	replicas: 1
	selector:
	app: default-http-backend
	template:

	ffmpeg -re \
	-f lavfi -i "smptebars=rate=30:size=640x360" \
	-f lavfi -i "sine=frequency=1000" \
	-vf drawtext="text='%{pts\:hms}':rate=30:x=(w-tw)/2:y=(h-lh)/2:fontsize=48:fontcolor=white:box=1:boxcolor=black" \
	-f flv \
	-vcodec libx264 -profile:v baseline -pix_fmt yuv420p -preset ultrafast -tune zerolatency -crf 28 \
	-acodec aac \
	rtmp://streaming-server/live/key

	launchctl unload -w -S Aqua /System/Library/LaunchAgents/gpg.agent.daemon.plist
	launchctl load -w -S Aqua /System/Library/LaunchAgents/gpg.agent.daemon.plist

	// ==UserScript==
	// @name Mastodon Bird UI Conversafiada.net
	// @match https://conversafiada.net/*
	// @grant GM_addStyle
	// @grant GM_getResourceText
	// @version 2
	// @description A UserScript that applies the Mastodon Bird UI style to conversafiada.net
	// @resource layout-single-column https://raw.githubusercontent.com/ronilaukkarinen/mastodon-bird-ui/master/layout-single-column.css
	// @resource layout-multiple-columns https://raw.githubusercontent.com/ronilaukkarinen/mastodon-bird-ui/master/layout-multiple-columns.css
	// @downloadURL https://gist.github.com/rafaelcaricio/096231368e9391ed703fcde16c433a8c/raw/mastodon-bird-ui.user.js