From Krakow with Access: A Casual Hotel Tablet Hack
A while ago, I got invited by a large corporation to visit their offices in Krakow. I got lucky since all the hotels were full, I had to go to a nicer one…
Karl.Fail
Blog — Page 3
Practical security research, self-hosting guides and lessons from Karl Machleidt’s homelab.
Outsmarting Enterprise Email Security: The Easy Way
Like most enterprises—or any business, really—you probably have multiple email security appliances. Sometimes these are part of your provider package like…
Forget ChatGPT, I Built My Own Local AI with AMD RX 7900 XTX, Ollama & DeepSeek-R1
The journey to bringing you this guide was paved with rage and hardship. Before we go any further, let me be clear: local AI is nowhere near as good as…
From Typos to Treason: The Dangerous Fun of Government Domain Squatting
Hey there 👋 Since you’re reading this, chances are you’ve got some chaos brewing in your brain. I love it. For legal reasons I must kindly ask you to…
Passkeys: Your Key to a Safer, Simpler Online World
Passwords have been the cornerstone of online security for decades, but let’s face it: they’re far from perfect. Whether it’s phishing attacks, password…
Locking Down the Web: How I Secure My WordPress and Other Self-Hosted Public Sites
Securing a WordPress hosting setup requires more than just the basics—it’s about creating a layered defense to protect your server and adapt to emerging…
My Home Server: “PrettyLittleKitten” – A Personal Tech Haven
Hardware RAM My server is equipped with a total of 128GB of DDR5 RAM, made up of two Kingston FURY Beast kits (each consisting of 2 x 32GB, 6000 MHz,…
Inception-Level Data Safety: Backing Up Your Proxmox Backups with Borg on Hetzner
Today, I want to walk you through how I handle backups for my home server. My primary method is using Proxmox’s built-in backup functionality, which I…
Before “PrettyLittleKitten”: A Brief Affair with the Mac Mini M4
Before I built my beloved server, affectionately named “PrettyLittleKitten“, I had a brief fling with the brand-new Mac Mini M4. Spoiler…
Why HedgeDoc Reigns as the King of Self-Hosted Note-Taking Apps
This is going to be a bold, highly opinionated take on how note-taking apps should be. For the non-technical folks, discussing text editors and…
Effortless Cron Job Monitoring: A Guide to Self-Hosting with Healthchecks.io
Do you ever find yourself lying awake at night, staring at the ceiling, wondering if your beloved cronjobs ran successfully? Worry no more! Today, we’re…
Creating AI-Art with Midjourney
Hi there! Today, I’d love to share how I create the Featured Post Images for my blog posts—or really any graphic design project I’m working on. I use…
