Slava slavaGanzin

📖 This guide has moved

The maintained version now lives at Installation Step-by-Step, part of scyto/homelab-docs.

Questions or troubleshooting? Continue the conversation here — a Q&A discussion where replies thread properly, answers can be marked, and everything is searchable. The 27 comments below stay exactly where they are as an archive.

PKI for busy people

Public-key infrastructure (PKI) is an umbrella term for everything that has to do with keys and certificates.

This is a quick overview of the important stuff.

Public-key cryptography

Public-key cryptography involves a key pair: a public key and a private key. Each entity has their own. The public key can be shared around, the private key is secret.

Couldn't find the text of this for a while...

Original (404'ed) -- https://plus.google.com/115094562986465477143/posts/Di6RwCNKCrf
Fakeout -- http://www.dzone.com/links/rss/ryan_dahl_i_hate_almost_all_software.html
Repost -- https://plus.google.com/116904230181415286707/posts/DnAMAN5sUR8

	import numpy as np
	import scipy as sp

	def jsd(p, q, base=np.e):
	'''
	Implementation of pairwise `jsd` based on
	https://en.wikipedia.org/wiki/Jensen%E2%80%93Shannon_divergence
	'''
	## convert to np.array
	p, q = np.asarray(p), np.asarray(q)

	--- PSQL queries which also duplicated from https://github.com/anvk/AwesomePSQLList/blob/master/README.md
	--- some of them taken from https://www.slideshare.net/alexeylesovsky/deep-dive-into-postgresql-statistics-54594192

	-- I'm not an expert in PSQL. Just a developer who is trying to accumulate useful stat queries which could potentially explain problems in your Postgres DB.

	------------
	-- Basics --
	------------

	-- Get indexes of tables

	import functools


	def force_async(fn):
	'''
	turns a sync function to async function using threads
	'''
	from concurrent.futures import ThreadPoolExecutor
	import asyncio
	pool = ThreadPoolExecutor()