DevOps – Page 4 – ITFROMZERO

Lightning-Fast Branch Management with Git-town: Say Goodbye to the Manual Command Nightmare

By admin July 11, 2026

A guide to using Git-town to automate branch management workflows. Save time, reduce merge conflicts, and clean up stale branches with a single command.

MySQL

MySQL Error Log and General Query Log: Production Troubleshooting Techniques for Sysadmins

By admin July 11, 2026

Learn how to configure MySQL Error Log and General Query Log for rapid system diagnostics. Practical insights on log management and production debugging.

Git

Advanced git log: Filter Commits by Author, Time, and File — Visualize Branches with –graph –pretty

By admin July 10, 2026

A practical guide to advanced git log: filter commits by author, time, and code content with -S/-G, visualize branches with --graph --pretty, and automate sprint reports for your team. All from real production experience.

Centos

Deploying Ansible on CentOS Stream 9: Automate Linux Server Management Without Installing Agents

By admin July 10, 2026

A guide to deploying Ansible on CentOS Stream 9 to automate configuration and manage multiple Linux servers simultaneously. Ansible works over SSH — no agent installation, no extra ports — suitable for both beginners and operations teams.

Network

Cloudflare WARP on Linux Server: The ‘Lifesaver’ Solution for Network Performance and IP Security

By admin July 9, 2026

Don't let your server get IP-blocked or throttled on international routes. This guide covers installing Cloudflare WARP on Linux with Proxy Mode to secure and optimize your connection — surprisingly simple to set up.

MySQL

gh-ost: Zero-Downtime MySQL Schema Changes — GitHub’s Answer to pt-osc

By admin July 8, 2026

gh-ost is a tool developed by GitHub for making MySQL schema changes on tables with tens of millions of rows without any downtime. Unlike pt-osc which uses triggers, gh-ost reads the binlog directly — safer, with the ability to pause/resume and adjust speed in realtime throughout the migration.

Linux

A Practical Guide to jq on Linux: Filtering and Processing JSON from APIs in the Terminal

By admin July 8, 2026

When you're debugging production at 2 AM staring at an unreadable wall of JSON in your logs, jq saves you more time than any other approach. This guide compares jq against grep and Python for handling JSON in the terminal, covering everything from basic syntax to filtering Docker containers and Kubernetes API responses in practice.

Development

Building CLIs with Rust and Clap: Goodbye to Your Tangled Bash Scripts

By admin July 8, 2026

Replace Bash scripts with Rust and Clap to build safe, high-performance CLI tools. A detailed guide on configuring subcommands and optimizing binaries for production environments.

Monitoring

Mastering MinIO Performance: How to Set Up Prometheus & Grafana to Monitor IOPS, Throughput, and Capacity

By admin July 8, 2026

Is your MinIO system slow for no apparent reason? This guide will help you set up Prometheus and Grafana to monitor IOPS, throughput, and forecast disk capacity like a pro.

Linux

Expert Tricks for Using sysstat to Diagnose a Slow Linux Server

By admin July 7, 2026

Don't let your Linux server run slow without knowing why. Learn how to use iostat, vmstat, sar, and mpstat to track down performance bottlenecks and troubleshoot incidents like a pro.