Posted inDocker
Does Docker ‘Bypass’ UFW? Essential Container Port Security for VPS
Why does UFW fail to block Docker ports? Discover 3 practical solutions to resolve Docker firewall bypass issues and protect your VPS from hackers.
Posted inSecurity
REST API Security: Don’t Let Your System Crash Due to Basic Mistakes
Don't let your API be a gateway for hackers. Learn how to properly implement JWT, RBAC, and Data Validation to protect your entire system.
Posted inFedora
Automating Container-Native Infrastructure with Fedora CoreOS and Ignition
A detailed guide to deploying Fedora CoreOS and Ignition. Automate infrastructure configuration and manage Linux servers using Infrastructure as Code.
Posted inLinux
Managing Multiple Java Versions on Linux: Stop Doing It Manually, Use SDKMAN!
Forget manual Java installation! SDKMAN! lets you install, manage, and switch between Java 8, 11, 17, and 21 on Linux with simple commands and no root access.
Posted inFedora
Need Ultra-Lightweight Containers on Fedora? Try systemd-nspawn Instead of Docker
Explore systemd-nspawn on Fedora: An ultra-lightweight container solution with instant boot times and minimal resource usage compared to Docker or Podman.
Posted inDatabase
PostgreSQL Monitoring: From ‘Information Blindness’ to a Professional Alerting System
Don't wait for a database crash to find out something's wrong. Here is a detailed guide to setting up professional PostgreSQL monitoring with Prometheus and Grafana based on real-world experience.
Posted inAI
Cleaning PDF/Office Data for RAG with Unstructured.io: Turning ‘Trash’ into Gold
Discover how Unstructured.io solves data extraction from PDF and Office files for RAG. Boost accuracy by 35% with smart table processing and text cleaning.
Posted inFedora
Setting Up a Dev Environment on Fedora: From Zero to Pro with Zsh and Tmux
Transform Fedora Workstation into a professional development environment. A detailed guide on configuring Zsh, Tmux, Nerd Fonts, and efficient monitoring tools.
Posted inVMware
VCSA 8.0 Installation Guide: Centralized VMware Infrastructure Management from Real-World Experience
A detailed guide on installing VCSA 8.0. Learn from real-world experience regarding DNS configuration, 8-host cluster setup, and professional vCenter backup strategies.
Posted inDocker
Docker Rootless: Don’t Let One App Vulnerability Take Down Your Entire Server
Secure your Docker server with Rootless Mode: run containers without root privileges to eliminate the risk of full system takeover through application vulnerabilities.