DevOps Archives - Page 13 of 63 - ITFROMZERO

Mastering Byobu on Ubuntu: Manage Terminal Like a Pro Without Memorizing Complex Tmux Shortcuts

By IT From Zero September 10, 2026

Forget complex Tmux commands; Byobu is the ultimate terminal management solution for Ubuntu. Learn how to install, use F2-F12 shortcuts, and keep SSH sessions alive.

Python

Active Directory Management with Python: Automate Instead of Endless Clicking

By IT From Zero September 10, 2026

Learn how to use the ldap3 library in Python to automate Active Directory administration. From connecting and querying to automated user creation with real-world DevOps insights.

Development

OpenAPI Generator: Saving Developers from the Drudgery of Manual Client SDKs

By IT From Zero September 9, 2026

Don't let API schema errors crash your system at midnight. Learn how to use OpenAPI Generator to automate Client SDKs for TypeScript, Python, and Go, ensuring 100% data synchronization between services.

Monitoring

Advanced PromQL: Don’t Let “Average Numbers” Mislead You

By IT From Zero September 9, 2026

Don't be fooled by averages. Learn how to use Histogram Quantiles and Subqueries in PromQL to measure P99 latency and optimize your monitoring system.

Git

Migrating SVN to Git with git-svn: Preserving Commit History and Branches for Legacy Projects

By IT From Zero September 8, 2026

A guide to migrating SVN repositories to Git using git-svn, preserving the full commit history, branches, and tags. Covers the complete real-world process: installation, author mapping, SVN cloning, converting branches and tags, pushing to a remote Git repo, and handling common issues.

Monitoring

Installing Prometheus SNMP Exporter: Professional Tips for Monitoring Switches and Routers

By IT From Zero September 8, 2026

Don't let network devices remain 'black boxes'. Here is a detailed guide on using Prometheus SNMP Exporter to monitor bandwidth, port errors, and Switch/Router status in real-time.

Git

Clean Up Your Git Log with .mailmap: How to Standardize Author Names and Emails

By IT From Zero September 7, 2026

Don't let your Git history get cluttered by duplicate emails. Learn how to use .mailmap to standardize author names safely and professionally.

Centos

Updating CentOS Stream 9: When to Reboot? Using needs-restarting Effectively

By IT From Zero September 7, 2026

Is your Linux server truly secure after an update? Learn how to use needs-restarting on CentOS Stream 9 to identify services that need a restart and avoid unnecessary downtime.

Python

Stop Hardcoding: Manage Python Configs Like a Pro with YAML, TOML, and INI

By IT From Zero September 7, 2026

Learn professional Python configuration management using YAML, TOML and INI. Stop hardcoding parameters to prevent system errors and improve maintainability.

Docker

GitHub Container Registry (GHCR) Guide: A Cost-Effective Way to Store Docker Images

By IT From Zero September 6, 2026

Stop letting Docker Hub limit your pull requests. Switch to GitHub Container Registry (GHCR) for free Docker image storage and lightning-fast CI/CD integration.