DevOps Archives - Page 55 of 58 - ITFROMZERO

Development tutorial - IT technology blog

A Beginner’s Guide to CI/CD with GitHub Actions: Automation for Happier Devs

By IT From Zero March 9, 2026

Tired of manual deployments and unexpected bugs? This article provides a step-by-step guide to setting up a CI/CD pipeline with GitHub Actions, automating everything from testing to deployment to boost productivity and minimize errors.

Python

Python Automation for Daily Tasks: File Cleanup, Backups, and Automated Notifications

By IT From Zero March 8, 2026

Learn how to write Python scripts to automate 3 real-world daily tasks: organizing folders by file type, backing up MySQL with automatic rotation, and monitoring a directory with Telegram notifications. Includes practical lessons on performance when handling large files.

Docker

Docker Volumes: Persistent Data Storage That Survives Container Restarts

By IT From Zero March 8, 2026

Lost an entire database at 2 AM because I forgot to use Docker volumes — here's the hard-won lesson and a guide to configuring volumes correctly for production, including backup and monitoring.

Network

How to Set Up a Load Balancer with HAProxy on Linux

By IT From Zero March 8, 2026

A practical guide to configuring HAProxy as a load balancer: from installation and roundrobin/leastconn/source algorithms to HTTP health checks, SSL termination, and zero-downtime server draining. Tips drawn from real production experience.

Database

Setting Up and Configuring Redis Sentinel: High Availability for Redis in Production

By IT From Zero March 7, 2026

A practical guide to setting up a 3-node Redis Sentinel cluster for high availability in production: configuring master-replica replication, automatic failover, connecting applications through Sentinel, and common operational pitfalls.

Artificial Intelligence tutorial - IT technology blog

Deploying AI Models on Your Own Server: Self-Hosting to Protect Sensitive Data

By IT From Zero March 7, 2026

A guide to self-hosting AI models (llama.cpp, vLLM) on your own server to protect sensitive data and avoid legal risks associated with cloud AI. Covers security configuration with Nginx reverse proxy, firewall rules, Docker Compose, and Python integration.

Fedora

Fedora vs Ubuntu: Which Distro Is Right for You

By IT From Zero March 6, 2026

A practical DevOps comparison of Fedora and Ubuntu: differences in release lifecycle, package managers, security model, and hardware support. A clear breakdown of each distro's pros and cons to help you choose the right one for your use case.

Fedora

Managing Container Images with Podman on Fedora: Build, Push, and Pull from Registry

By IT From Zero March 6, 2026

A practical guide to managing container images with Podman on Fedora: comparing Podman CLI vs Docker CE vs Podman Desktop, then walking through building an image from a Containerfile, pushing to Docker Hub/GitHub Container Registry, pulling it back, plus tips for cleanup and offline image transfer.

Network

Using tcpdump and Wireshark to Effectively Analyze Network Traffic

By IT From Zero March 6, 2026

A hands-on guide to combining tcpdump and Wireshark for capturing and analyzing network traffic on Linux servers. Covers everything from basic filter commands to advanced intermittent packet loss debugging, with production-ready optimization tips.

VMware

Installing VMware Workstation and Creating Your First VM: A Hands-On Guide

By IT From Zero March 6, 2026

A hands-on guide to installing VMware Workstation Pro (free since 2024) and creating your first Ubuntu Server VM — version comparisons, optimal configuration, snapshots, and tips from real-world experience.