Linux
How to Resurrect a Linux Box After a Permission Apocalypse
A real life story about what happens when chmod -R 777 / goes full Thanos snap on your Synology NAS
Adam Petkovsky
Tech enthusiast, problem solver, and lifelong learner. Blogging about Power Platform, Dev, IT, and automation. Exploring new tech, sharing insights, and building solutions. Welcome to Adam’s Bit Pit!
Redis
Redis in Docker: Turbocharge Your Performance with These Best Practices
Running Redis in Docker combines speed and scalability with ease of deployment. In this article, we dive into best practices for setup, security, resource management, and data persistence. Learn how to optimize Redis for production, ensuring performance, security, and scalability.
Linux
Synology NAS Logging Woes: When the Logs Hit the Fan
Ever had your Synology NAS throw a tantrum over logs? Dive into how a hidden 200MB disk quota broke everything- until a little detective work with df -h, du, and some log trimming saved the day. Check out the full story on how I fixed the mess!
Redis
Mastering Redis: The Building Blocks of Keys, Lists, Sets, and Hashes
Redis offers powerful data structures like keys, lists, sets, and hashes, each suited to different use cases. Keys are efficient for quick access, lists manage queues and stacks, sets ensure uniqueness, and hashes store object-like data. Mastering these enables building fast, scalable applications.
Cybersecurity
Locking Down Linux: Defending Against Brute Force Attacks with Fail2Ban
Fail2Ban is a Linux security tool that protects against brute force attacks by monitoring logs and blocking malicious IPs. It's easy to implement, customizable, and effective for SSH, FTP, and other services. Pair it with other security measures for a robust defense.
Linux
No Space Left on Device: The Curious Case of the Missing Inotify Watchers
If your Linux system is mysteriously throwing errors like No space left on device, it’s not your disk-it’s your watchers. Here’s how to troubleshoot and fix it like a pro.
Docker
From the Cloud to Your Own Backyard: Docker Hub, Quay, or Self-Hosted Registry?
Docker Hub is perfect for quick starts but can bottleneck under pressure. Quay offers enterprise-grade security and control but at a complexity cost. Self-hosting (with Harbor or similar) gives full ownership and flexibility, ideal for secure, large-scale deployments.
Docker
VS Code + Docker: Your Terminal Just Got Jealous
Use Docker without leaving your editor. VS Code’s Docker extension lets you build, manage, and debug containers directly in your workspace- no terminal needed. Here’s how to make the most of it (and what to watch out for).
Engineering
Code, Control, and Cup Noodles: GitHub vs GitLab vs Gitea for the Home-Lab Hero
Explore the differences between GitHub, GitLab, and Gitea from a self-hosting perspective. Discover why Gitea is the perfect fit for homelab users and hobby developers who value control, simplicity, and low resource use without sacrificing key features.
Raspberry Pi
Why My Raspberry Pi Keeps Eating SD Cards (And What to Do About It)
Raspberry Pi keeps corrupting SD cards? Learn how to eliminate the problem with USB boot, SSDs, PXE, and smarter file system practices. This expert guide dives deep into preventing data loss and increasing Pi reliability.
Linux
APT vs. DNF vs. Pacman vs. Snap: The Good, the Bad, and the Immutable
Package management is the beating heart of every Linux system- but not all managers are created equal. This expert comparison dives deep into APT, DNF, Pacman, and Snap, highlighting performance, dependency handling, and security from the trenches of real-world Linux.
Cybersecurity
Logs, Lies & Open Source: Building a Budget SIEM That Doesn’t Suck
Build a powerful, budget-friendly SIEM using open source tools like Wazuh, Logstash, and Elasticsearch. This expert guide walks through architecture, benefits, and pitfalls-giving you full control, deep visibility, and zero license fees. Security, your way.