DevOps – Page 9 – ITFROMZERO

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Bringing Claude Code to CI/CD: Hands-Free Code Reviews and Automated Testing

By admin May 14, 2026

A guide to integrating Claude Code into CI/CD to automate code reviews, security audits, and unit tests. Save hours of coding and effectively optimize API costs.

Security

Teleport: How I Managed 50+ Servers and K8s Without Using a Single SSH Key

By admin May 14, 2026

Managing SSH keys for dozens of servers is a significant security challenge. This article shares practical experience in deploying Teleport—an SSH alternative using short-lived certificates to centralize Server and Kubernetes management with detailed audit logs.

Linux

Hunting Down CPU-Hogging “Culprits” on Linux: Mastering perf and Flame Graphs

By admin May 13, 2026

A detailed guide on using perf on Linux for CPU profiling and Flame Graph generation. Learn how to pinpoint slow functions with minimal overhead.

Python

Build a Pro Data Dashboard in 15 Minutes with Streamlit: Say Goodbye to Frontend Woes

By admin May 13, 2026

Stop wasting days on HTML/CSS just to build a dashboard. Discover how to create professional data analytics apps with Python and Streamlit in just 15 minutes.

Docker

Docker Socket Security: Don’t Let ‘/var/run/docker.sock’ Become a Backdoor for Hackers

By admin May 13, 2026

Don't let /var/run/docker.sock be a fatal vulnerability on your VPS. Discover how to use Tecnativa Proxy for Docker API permissions—high security for only 15MB RAM.

Database

Horizontal MySQL Sharding with Vitess: Scaling Billions of Records with Zero Downtime

By admin May 13, 2026

Learn how to shard MySQL with Vitess to scale your system to billions of records with zero downtime. Practical insights on Vindex, resharding, and performance optimization for DevOps.

Docker

Skopeo: Lightning-Fast Docker Image Copying Between Registries Without ‘Pulling’

By admin May 13, 2026

Forget manual Pull-Tag-Push. Skopeo lets you copy, inspect, and sync Docker images directly between registries instantly without wasting disk space.

Development

Building Professional CLIs with Go and Cobra: From ‘Zero’ to ‘Pro’ like Docker & Kubernetes

By admin May 13, 2026

Master the Cobra framework to build professional CLI tools with Go. Detailed guide on creating subcommands, managing flags, and integrating auto-completion like world-class tools.

Git

Cleaning Up the .git Folder: Using Git GC and Git Prune to Slim Down Your Repository

By admin May 12, 2026

Is a bloated .git folder slowing down your clones and wasting server resources? Learn how to use Git GC and Git Prune to effectively shrink your repository from 5GB down to 800MB.

Fedora

Automating Fedora Server with Ansible: Saying Goodbye to Manual Administration

By admin May 12, 2026

Managing 10 or 100 Fedora servers is no longer a nightmare with Ansible. A detailed guide on deploying an agentless automation system to save 80% of operational time.