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Create Root CA (Done once)

Create Root Key

Attention: this is the key used to sign the certificate requests, anyone holding this can sign certificates on your behalf. So keep it in a safe place!

openssl genrsa -des3 -out rootCA.key 4096

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

This gist lets you keep IPython notebooks in git repositories. It tells git to ignore prompt numbers and program outputs when checking that a file has changed.

To use the script, follow the instructions given in the script's docstring.

For further details, read this blogpost.

The procedure outlined here is inspired by this answer on Stack Overflow.

LRU Cache 學習

LRU是在一個有限大小的快取空間，保持最近使用過的資料的一種快取機制，可以透過getter、setter方法搭配一個有序字典物件來實現

import collections


class LRUCache(object):
 """ Simple LRU Cache

	#!/bin/bash

	# see http://oracle-base.com/articles/linux/linux-firewall.php

	# Set the default policies to allow everything while we set up new rules
	# Prevents cutting yourself off when running from remote SSH
	iptables -P INPUT ACCEPT
	iptables -P FORWARD ACCEPT
	iptables -P OUTPUT ACCEPT

	import javax.net.ssl.SSLSocket;
	import javax.net.ssl.SSLSocketFactory;
	import java.io.*;

	/** Establish a SSL connection to a host and port, writes a byte and
	* prints the response. See
	* http://confluence.atlassian.com/display/JIRA/Connecting+to+SSL+services
	*/
	public class SSLPoke {
	public static void main(String[] args) {

	#! /bin/bash
	#
	# Diffusion youtube avec ffmpeg

	# Configurer youtube avec une résolution 720p. La vidéo n'est pas scalée.

	VBR="2500k" # Bitrate de la vidéo en sortie
	FPS="30" # FPS de la vidéo en sortie
	QUAL="medium" # Preset de qualité FFMPEG
	YOUTUBE_URL="rtmp://a.rtmp.youtube.com/live2" # URL de base RTMP youtube

	#!/usr/bin/env python

	import SimpleHTTPServer
	import BaseHTTPServer
	import sys

	"""
	Usage:
	python httpd.py [port] [additional headers ...]

	<!DOCTYPE html>
	<html>
	<body>

	<div id="container"></div>

	<script>
	var node1 = document.createElement("p");
	var txt1 = document.createTextNode("This is 1 ");
	node1.appendChild(txt1);