cloudwu

// The biggest 64bit prime
#define P 0xffffffffffffffc5ull
#define G 5

#include <stdio.h>
#include <stdint.h>
#include <assert.h>
#include <stdlib.h>

// calc a * b % p , avoid 64bit overflow

xrstf

Let's Encrypt on Ubuntu 14.04, nginx with webroot auth

This document details how I setup LE on my server. Firstly, install the client as described on http://letsencrypt.readthedocs.org/en/latest/using.html and make sure you can execute it. I put it in /root/letsencrypt.

As it is not possible to change the ports used for the standalone authenticator and I already have a nginx running on port 80/443, I opted to use the webroot method for each of my domains (note that LE does not issue wildcard certificates by design, so you probably want to get a cert for www.example.com and example.com).

Configuration

For this, I placed config files into etc/letsencrypt/configs, named after <domain>.conf. The files are simple:

MelbourneDeveloper

Stuff That Software Developers Do

This is a list of stuff that the average software developer does from week to week

Coding

• Code design
• Refactoring
• Algorithms
• Profiling
• Code reviews
• Building frameworks