I recently visited the website random.org, which is a free/fee-based generator of random numbers.  It's been around for a long time - since 1998.  It made me revisit the concept of randomness and how oddly hard it is to achieve. Why is randomness important? It's amazing how many things rely…

You may have have heard of Letsencrypt, which is a new SSL certificate authority that provides free SSL certificates that are supported in all modern browsers. This service is also designed to help automate the issuance of SSL certificates.  The following describes how to use Letsencrypt to configure auto-renewing SSL certificates...

I recently was tasked with installing Let’s Encrypt on a server running an old version of Debian (Squeeze) which was due to have its certificate expire. Unfortunately, this meant following the path of setting up certbot and a cron job as outlined in Let's Encrypt Quick Setup -- which basically follows the...