Outsmarting Enterprise Email Security: The Easy Way
Disclaimer: The information provided on this blog is for educational purposes only. The use of hacking tools discussed here is at your own risk. For the full disclaimer, please click here. Like most enterprises—or any business, really—you probably have multiple email security appliances. Sometimes these are part of your provider package like in Google Workspace. Typically,…
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 ChatGPT or similar online tools. Without solid prompt engineering, you’ll mostly get weird, useless responses. That said, DeepSeek-R1 (32B) is hands down the best local…
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 read and actually understand my disclaimer. Disclaimer: The information provided on this blog is for educational purposes only. The use of hacking tools discussed here is at…
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 leaks, or the sheer frustration of remembering dozens of them, passwords are a weak link in our digital lives. Enter passkeys—a revolutionary way to log in online that promises better security, more convenience,…
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 threats. Today I am going to show you what I do to keep Karlcom hosted systems secure from outside attackers. Firewall Restriction To minimize exposure, my server only accepts traffic from…
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, DDR5-RAM, DIMM). The RAM operates at around 3600 MHz and consistently maintains 32GB in active usage: Cooling I kept the fan coolers as they were…
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 then sync to a Hetzner Storage Box for added security. When it comes to updates, I like to live on the edge. I enable automatic (security) updates on nearly…
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 alert: it was a short-lived relationship. Let me start with the good stuff: processing power-to-power usage ratio. It’s absolutely unmatched. The Mac Mini M4 is a beast in terms of efficiency—an essential factor for me. I…
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 note-taking apps with IT people is like walking straight into a heated geopolitical debate at the family Thanksgiving table—it’s passionate, intense, and probably never-ending. Gobble Gobble. I have tested a lot of note…
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 setting up a free, self-hosted solution to ensure you can sleep like a content little kitten 🐱 from now on. I present to you Healthchecks.io. According to their website: Today,…
