Python
Python Loops: for & while - Day - 4
A loop tells Python: keep doing this thing, again and again, until I say stop. Without loops, repetitive tasks mean writing the same line over …
Tutorials & Guides
Hands-on DevOps, Cloud, and Kubernetes tutorials - from setup to production.
Security
Jenkins RCE Vulnerability (CVE-2026-33001) - Patch to 2.555 Now
The Jenkins project released a security advisory on March 18, 2026, addressing three vulnerabilities - two rated High and one Medium. The most critical, CVE-2026-33001, …
Security
How Trivy Was Compromised to Deliver Malware (Again)
On March 19, 2026, Trivy - the most widely used open-source vulnerability scanner in DevSecOps pipelines - had its release process compromised for the second …
Python
Python Conditions: if, elif & else - Day - 3
Every program worth writing needs to make decisions. Should the user be allowed to log in? Is a number even or odd? Did the form …
DevOps
Ubuntu Has a Root Door. Here's How to Close It.
Qualys Threat Research Unit discovered that snapd incorrectly handles operations in the snap's private /tmp directory. When systemd-tmpfiles cleans this directory on its scheduled timer, …
Python
Python Operators & Expressions - Day 2
Mastering operators and expressions is like learning the grammar of Python; once you understand how these symbols interact, you can begin writing complex logic with …
AI
NSFW Detection in Production NudeNet FastAPI Docker 2026
NSFW detection is one of those infrastructure problems that looks simple from the outside - just run a model on images, right? - and turns …
DevOps
NanoClaw on Ubuntu 24.04: Run Secure AI Agents in Docker Sandboxes
NanoClaw hit Hacker News this week, 134 points, and the DevSecOps reflex kicked in immediately - skepticism. Another AI agent framework that hallucinates destructive commands …
DevOps
Scale PostgreSQL Connections with PgBouncer
Server had 25 idle connections eating 7.5GB of RAM and doing absolutely nothing. Background workers were silently starving our web app every morning. PgBouncer had …