DevOps – Page 12 – ITFROMZERO

Implementing End-to-End TLS/SSL: Don’t Leave Data ‘Exposed’ in Your Internal Network

By admin April 17, 2026

Don't let traffic between your Web Server and Database run 'exposed'. A detailed guide on implementing End-to-End TLS/SSL for comprehensive data protection within your internal network.

Docker

Docker Secrets: Don’t Expose Passwords via a Clumsy ‘inspect’ Command

By admin April 17, 2026

Learn how to use Docker Secrets to protect passwords and API keys instead of exposing them via environment variables. A practical guide for Swarm and Compose v2.

Git

Gitea Installation: Build Your Own High-Performance, Low-Cost Git Server

By admin April 17, 2026

Gitea is the perfect high-performance, low-cost Git Server alternative to GitLab for low-spec VPS. This guide provides step-by-step instructions for Docker installation, Nginx configuration, and real-world tips for stable operation.

Docker

Implementing Zero-Downtime Blue-Green Deployment with Docker Compose & Nginx

By admin April 15, 2026

Don't let customers see 502 errors every time you update code. Discover the secret to simple Blue-Green Deployment with Docker Compose and Nginx for true Zero-Downtime.

Docker

Using Dive to Inspect Docker Image Layers: How I Slimmed Down an Image from 1.5GB to 120MB

By admin April 15, 2026

Learn how to use Dive to dissect Docker image layers, identify junk files, and optimize image size from 1.5GB to 120MB through a real-world example.

Security

Gitleaks Installation Guide: The “Shield” to Prevent Secret and API Key Leaks in Git

By admin April 15, 2026

Don't let API key leaks ruin your career. A detailed guide on installing Gitleaks to automatically detect and prevent secret exposure in Git repositories.

Artificial Intelligence tutorial - IT technology blog

Debugging and Monitoring LLM Apps with LangSmith: From “Needle in a Haystack” to Production Visibility

By admin April 14, 2026

Learn how to use LangSmith to debug LLM applications, monitor latency, and optimize token costs. This article shares practical experience for managing AI apps in production.

Centos

ClamAV Installation Guide on CentOS Stream 9: Complete Server Malware Protection

By admin April 13, 2026

A detailed guide on installing ClamAV on CentOS Stream 9. Learn how to configure automated malware scanning, resolve SELinux errors, and optimize RAM for low-spec servers.

Linux

Direnv: The ‘Lifesaver’ for Automating Per-Project Environment Variables on Linux

By admin April 13, 2026

Manually managing environment variables on Linux often leads to data mix-ups between projects. Learn how to use direnv to automatically load and unload configurations as you switch directories.

Monitoring

Professional Grafana Dashboard Design: Mastering Panels, Variables, and Annotations

By admin April 13, 2026

Learn practical Grafana Dashboard design from real-world operations. A detailed guide on using dynamic variables, visual panels, and annotations for fast troubleshooting.