Posted inLinux
Slow Linux Boot? Use systemd-analyze to Trace and Optimize Immediately
Don't let your Linux server boot slowly. Learn how to use systemd-analyze to track down bottlenecks and effectively optimize boot time in just a few steps.
Posted inMonitoring
Building a Centralized Logging System with Fluentd and OpenSearch: A Lightweight ELK Stack Alternative
The days of SSH and 'tail -f' for logs are over. Build a lightweight centralized logging system with Fluentd and OpenSearch, using 1/10 the RAM of ELK Stack.
Posted inSecurity
Ditch VPNs, Use Cloudflare Access to Secure Internal Apps: Fast, Secure, and Effortless
Forget VPNs! Learn how to use Cloudflare Access to protect internal dashboards and SSH with Google/GitHub SSO. 5-minute setup for enterprise-grade security.
Posted inGit
Git Patch & Git Apply: Instant Code Sharing Without Messing Up the Commit Log
Share code quickly and keep a clean commit history without pushing or pulling. A detailed guide on using Git Patch and Git Apply for a professional workflow.
Posted inDevelopment
Real-time Data Streaming with SSE in Node.js: Don’t Use WebSocket for Everything
Don't use WebSocket for everything! Discover Server-Sent Events (SSE) - a lightweight, easy-to-implement real-time streaming solution in Node.js for one-way data flow.
Posted inDevelopment
Practical Redis Caching: From DB Crashes to Handling Millions of Requests
Key takeaways from 6 months of operating Redis in production. Detailed guide on reducing Database load from 95% to 15% using Cache-Aside, Write-Through, and Jitter TTL techniques.
Posted inUbuntu
Joining Ubuntu Server to Windows AD with SSSD: Centralized Management for Hundreds of Users
Manually managing users on dozens of Ubuntu servers is a nightmare. This guide shows how to use SSSD to join Ubuntu Server to Windows AD for centralized management, automated home directories, and enhanced security.
Posted inDocker
Securing Docker Images with Cosign: Thwarting Malware in the Software Supply Chain
Forget Notary v1; Cosign is the new standard for Docker image security. This guide covers signing, verification, and CI/CD integration to protect your systems from malware.
Posted inDevelopment
Building Job Queues with BullMQ and Redis: The Secret to Silky Smooth Background Processing
Learn how to build a professional Job Queue system with BullMQ and Redis in Node.js. Optimize background tasks, automate retries, and boost application performance effectively.
Posted inUbuntu
Build Your Own Home NAS with Ubuntu Server and OpenMediaVault: Optimized 10TB Storage
Transform Ubuntu Server into a powerful Home NAS with OpenMediaVault. A detailed guide for beginners covering installation, disk management, and Docker media streaming.