ryannjohnson’s gists

ryannjohnson / application.service

Created June 15, 2020 07:17

Put in /etc/systemd/system/

	[Unit]
	Description=My application %I
	After=network.target

	[Service]
	User=ubuntu
	WorkingDirectory=/home/root/projects/project
	Environment=PORT=5010
	ExecStart=/path/to/executable arg1 arg2
	Restart=always

ryannjohnson / crontab

Last active July 5, 2019 04:12

	# flock acquires a lock prior to running.
	# timeout will kill the command if it's still funning at the end of the duration.
	* * * * * flock -n /var/lock/my-task.lock timeout 45 my-task-command

	# Suppress output of command so that other crons keeping going
	* * * * * my-task-command > /dev/null 2>&1

ryannjohnson / lifx_lights_daemon.py

Created October 12, 2018 06:13

Allows me to control all my lights by powering on/off one of my lights.

	#!/usr/bin/env python3

	"""
	Allows me to turn any LIFX lights in my home on and off and have the
	remaining lights follow suit.

	Requires python 3.6 or higher.

	To run:
	$ virtualenv -p python3 env

ryannjohnson / cronlogger.sh

Created August 18, 2018 23:53

ryannjohnson / git_add_non_whitespace_changes.sh

Created April 5, 2018 21:05

	# This adds all non-whitespace characters to the index.
	#
	# Consider this a template into which other arguments can be added. For
	# example, `git diff` can take filename args to limit its effects.

	git diff -U0 -w --no-color \| git apply --cached --ignore-whitespace --unidiff-zero -

ryannjohnson / letsencrypt-acme-challenge.conf

Last active October 10, 2017 15:34

NGINX snippet for the LetsEncrypt acme challenge.

	#############################################################################
	# Configuration file for Let's Encrypt ACME Challenge location
	# This file is already included in listen_xxx.conf files.
	# Do NOT include it separately!
	#############################################################################
	#
	# This config enables to access /.well-known/acme-challenge/xxxxxxxxxxx
	# on all our sites (HTTP), including all subdomains.
	# This is required by ACME Challenge (webroot authentication).
	# You can check that this location is working by placing ping.txt here:

ryannjohnson / rsa_signature_api.py

Created July 13, 2017 05:15

For me and @griefdad to synchronize our signing efforts.

	import base64
	from Crypto.PublicKey import RSA
	from flask import Flask, request
	from flask.json import jsonify
	import json
	from OpenSSL import crypto
	import os


	app = Flask(__name__)