Let’s Encrypt wildcard certificates with Certbot on Nginx

Introduction In March of 2018, Let’s Encrypt (the free Certificate Authority) announced they added support for wildcard certificates through the upgraded ACMEv2 protocol. I’ve been hosting most of my services on subdirectories (e.g., loganmarchione.com/rss) but have been wanting to move them to subdomains (e.g., rss.loganmarchione.com), and thought this was the perfect chance to do just … Read more

Backblaze B2 backup setup

Introduction Recently, I’ve been thinking more and more about backups for my small (but growing) homelab. The golden rule is to follow the 3-2-1 method for backups: 3 backups 2 different types of media 1 backup offsite Current setup Currently, I keep an encrypted external HDD at home and another at work. Every couple weeks, … Read more

A brief introduction to GPG

Introduction Put on your tinfoil hats, boys and girls! Today, we’re talking about security, encryption, and GPG! PGP vs OpenPGP vs GPG PGP Pretty Good Privacy (PGP) was a program created to encrypt/decrypt data in 1991 by Phil Zimmermann. Zimmermann formed PGP Incorporated, which was acquired serveral times and is now owned by Symantec. Fun … Read more