DevOps – Page 3 – ITFROMZERO

Automating Multi-Environment Python Testing with Tox: Stop Saying ‘It Works on My Machine’

By admin July 14, 2026

Don't let Python version errors disrupt your workflow. This Tox guide helps you automate testing across multiple environments, saving 80% of your time and increasing code reliability.

Docker

Configuring IPv6 for Docker Containers: A Step-by-Step Dual-Stack Guide

By admin July 13, 2026

A guide to configuring IPv6 for Docker containers, from enabling daemon.json to creating dual-stack networks in Docker Compose. Covers IP range management, exposing containers externally via IPv6, and practical debugging tips for developers.

Monitoring

Monitoring Business Metrics Directly from the Database with Prometheus SQL Exporter

By admin July 13, 2026

Stop running manual SQL queries every morning. This guide helps you automate pulling revenue and order metrics from your database to Grafana using Prometheus SQL Exporter.

Git

Mastering Stacked PRs with git-machete: Don’t Let Git Rebase Get the Best of You

By admin July 12, 2026

Managing Stacked Pull Requests is no longer a nightmare. Learn how to use git-machete to automate rebases, visualize branches, and optimize your Git workflow.

Monitoring

Lightweight Linux Server Monitoring with Collectd, InfluxDB, and Grafana

By admin July 12, 2026

Install Collectd, InfluxDB, and Grafana to build a lightweight Linux server monitoring system. A perfect solution for low-spec VPS with minimal resource usage.

Linux

Optimizing the Linux Kernel: How to ‘Tailor-Make’ and Package .deb for Ubuntu and Debian

By admin July 12, 2026

Learn how to compile the Linux Kernel from source to remove redundant modules, reduce RAM consumption, and package it as a .deb for more efficient Ubuntu/Debian server management.

Docker

Vector: A Ultra-Lightweight Docker Logging Solution to Replace Logstash

By admin July 12, 2026

A detailed guide on using Vector for Docker container log collection and processing. A lightweight Rust-based Logstash alternative to save RAM and optimize DevOps performance.

Centos

Installing Node Exporter on CentOS Stream 9: RHEL-Standard Server Monitoring

By admin July 11, 2026

A detailed guide to installing Node Exporter on CentOS Stream 9. Resolve SELinux and Firewalld issues and integrate Grafana Dashboard 1860 for 24/7 monitoring.

Git

Gource Guide: Turn Git Commit History into Stunning Video Animations

By admin July 11, 2026

Transform dry Git logs into vibrant animations with Gource. A detailed guide covering everything from installation to exporting professional MP4 videos for project reports.

Centos

Deploying Podman Compose on CentOS Stream 9: A Rootless and SELinux Solution to Replace Docker

By admin July 11, 2026

A guide to replacing Docker Compose with Podman Compose on CentOS Stream 9. Optimize security with Rootless containers and resolve SELinux permission errors.