Posted inDevelopment
Docusaurus: Making Docs-as-Code Documentation a Dream, Not a Nightmare
Don't let documentation become a nightmare. This A-Z Docusaurus guide helps you build professional Docs-as-Code documentation sites in just minutes.
Posted inDevelopment
Implementing ABAC with Open Policy Agent (OPA) and Node.js for Complex Microservices Systems
When RBAC is no longer sufficient for complex authorization logic in Microservices, Open Policy Agent (OPA) and the ABAC model offer a practical solution. This post shares production experience with Node.js, Rego policies, and how to integrate OPA into Express middleware.
Posted inPython
Building a Telegram Bot with Python and python-telegram-bot: Receive Notifications and Control Your Server Remotely
A step-by-step guide to building a Telegram Bot with Python and python-telegram-bot v20+ for remote server monitoring and control. Covers command handling, inline confirmation keyboards, proactive alerts from cron jobs, and running the bot as a systemd service.
Posted inAI
How to Install and Use OpenHands: The AI Agent for Automated Coding on Linux
A step-by-step guide to installing and using OpenHands (OpenDevin) on Linux to automate code writing, bug fixing, and programming task execution via Docker and LLM.
Posted inNetwork
Goodbye Excel: How to Install phpIPAM for Professional IP Infrastructure Management
It's time to ditch error-prone Excel files for IP management. This guide shows how to install phpIPAM on Ubuntu to manage subnets, VLANs, and automate IP scanning.
Posted inDocker
Build Your Own Local AI Chatbot: Deploying Ollama and Open WebUI with Docker Compose
Learn how to build a private, high-security AI chatbot. Detailed guide on deploying Ollama and Open WebUI with Docker Compose, optimizing GPUs for full offline operation.
Posted inDocker
nsenter: The Network Debugging “Lifesaver” for Lightweight Docker Containers (Distroless/Alpine)
Stop rebuilding Docker images just to install curl or ping. Use nsenter to directly access the Network Namespace and debug like a pro.
Posted inDocker
Docker Volume & NFS: The ‘Lifesaver’ Solution for Multi-Host Data
A guide on configuring Docker Volumes with the NFS Driver for multi-host data sharing. A simple, effective solution for Docker Swarm and High Availability.
Posted inDocker
Colima Guide: A Smooth Docker Desktop Alternative, a ‘Lifesaver’ for RAM on macOS
Don't let Docker Desktop hog all your RAM. Learn how to switch to Colima: a lightweight, free Docker Engine alternative perfectly optimized for macOS M1/M2/M3.
Posted inUbuntu
How to Install OpenLDAP on Ubuntu 22.04: Manage 1,000+ Users Centrally
Managing hundreds of users across multiple servers has never been easier. This Ubuntu 22.04 OpenLDAP guide helps you build a DevOps-standard centralized authentication system.