Flavien Berwick flavienbwk

VPN (OpenVPN) server and clients setup 🚂🚇😀

This gist give all the steps in order to build a VPN (OpenVPN) network with server and clients (automatic generation for clients certificates). 😀

Server configuration
Clients configuration
Security
Generate automatic certificates for clients

Server configuration

Install Prerequisites on ALL (Worker and Master) Nodes

Let's remove any old versions of Docker if they exist:

sudo yum remove docker \
                  docker-common \
                  docker-selinux \
                  docker-engine

HOWTO: Create Your Own Self-Signed Certificate with Subject Alternative Names Using OpenSSL in Ubuntu Bash for Window

Overview

My main development workstation is a Windows 10 machine, so we'll approach this from that viewpoint.

Recently, Google Chrome started giving me a warning when I open a site that uses https and self-signed certificate on my local development machine due to some SSL certificate issues like the one below:

collapsible markdown?

CLICK ME

yes, even hidden code blocks!

print("hello world!")

	# vim: syntax=nginx
	server {
	listen 80;
	server_name example.com www.example.com;
	return 301 https://$server_name$request_uri;
	}

	server {
	listen 443 ssl;
	listen [::]:443 ssl;

	#! /usr/bin/env bash

	user_list=($(who \| grep -E "\(:[0-9](\.[0-9])*\)" \| awk '{print $1 "@" $NF}' \| sort -u))

	for user in $user_list; do
	username=${user%@*}
	display=${user#*@}
	dbus=unix:path=/run/user/$(id -u $username)/bus

	sudo -u $username DISPLAY=${display:1:-1} \

	# Upload
	rsync -av -e "ssh -A JUMP_HOST ssh" FILE_TO_SEND DEST_HOST:/home/gareth/

	# Download
	rsync -av -e "ssh -A JUMP_HOST ssh" DEST_HOST:~/FILE_TO_DOWNLOAD ~/Downloads/

	#!/usr/bin/env python
	import json
	import sys

	try:
	dotenv = sys.argv[1]
	except IndexError as e:
	dotenv = '.env'

	with open(dotenv, 'r') as f:

	#!/bin/sh
	docker images --format '{{.Size}}\t{{.Repository}}\t{{.Tag}}\t{{.ID}}' \| sed 's/ //' \| sort -h -r \| column -t