AWS Ubuntu 14.04 Image: add CRON job to renew Let’s Encrypt certificate on Apache

Let’s Encrypt has become ubiquitous. I’ve been using it for quite a while now and have been happily renewing when the reminder email comes in every 75 days. Well, I’m tired of that now. I know that because I seem to wait longer and longer before doing the renew (sometimes waiting to the last day). Time to automate! Some...