DevOps Archives - Page 47 of 63 - ITFROMZERO

Deploying Patroni: The ‘Sleep Better’ Solution for PostgreSQL Administrators

By IT From Zero May 3, 2026

Database outages in the middle of the night are no longer a concern. A detailed guide on deploying Patroni to automate PostgreSQL Failover and ensure 24/7 availability.

Monitoring

Building a Centralized Logging System with Fluentd and OpenSearch: A Lightweight ELK Stack Alternative

By IT From Zero May 3, 2026

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.

Security

Ditch VPNs, Use Cloudflare Access to Secure Internal Apps: Fast, Secure, and Effortless

By IT From Zero May 3, 2026

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.

Git

Git Patch & Git Apply: Instant Code Sharing Without Messing Up the Commit Log

By IT From Zero May 3, 2026

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.

Docker

Securing Docker Images with Cosign: Thwarting Malware in the Software Supply Chain

By IT From Zero May 3, 2026

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.

Monitoring

Telegraf Installation Guide: The ‘Backbone’ of Metrics Collection for InfluxDB

By IT From Zero May 2, 2026

A detailed guide on installing and optimizing Telegraf. Collect metrics from Linux and Docker for InfluxDB to build a professional monitoring system.

Artificial Intelligence tutorial - IT technology blog

Claude Code Hooks: Don’t Let AI Mess Up Your Codebase

By IT From Zero May 2, 2026

Learn how to set up Hooks in Claude Code to automate linters, formatters, and security checks, making your AI workflow more stable and professional.

Python

Mastering Paramiko: Automating SSH and SFTP for Systems with Hundreds of Servers

By IT From Zero May 1, 2026

Learn how to use Paramiko to automate SSH and SFTP. Master remote command execution, file management, and performance optimization for managing multiple servers with Python.

Fedora

Installing K3s on Fedora Server: Building a Cost-Effective Kubernetes Cluster for Your Home Lab

By IT From Zero April 30, 2026

Want to run Kubernetes on low-spec hardware? K3s on Fedora Server is the perfect solution. It uses only ~500MB RAM, installs in 10 minutes, and offers full features for your Home Lab.

Git

Version Management with Git Tag and SemVer: From Chaos to Professional Workflow

By IT From Zero April 30, 2026

Learn how to use Git Tag and Semantic Versioning to standardize your release process. A detailed guide on version management and CI/CD deployment automation.