DevOps – Page 10 – ITFROMZERO

Speed Up Docker Pulls with Registry Mirror and Pull-through Cache: Fix for Slow International Connections

By admin June 13, 2026

A step-by-step guide to setting up a Docker Registry Mirror and Pull-through Cache to speed up image pulls, bypass Docker Hub rate limits, and save bandwidth for your entire team. Covers self-hosting an internal mirror with Docker Registry v2 and a production-ready HTTPS configuration.

Docker

Docker Log Rotation: The Ultimate Guide to Preventing Full Server Disks for DevOps

By admin June 13, 2026

Don't let your server crash due to log bloat! Here is a detailed guide on configuring Docker Log Rotation, limiting log file sizes, and quick fixes for when your disk hits 100%.

MySQL

How to Use MySQLTuner to Diagnose and Quickly Optimize MySQL Server Configuration

By admin June 13, 2026

MySQLTuner is a Perl script that analyzes your running MySQL configuration and delivers specific optimization recommendations in just a few minutes. This guide walks through installation, interpreting the output, and applying key settings like innodb_buffer_pool_size and thread_cache_size in practice.

Docker

Build Your Own GitHub Actions Runner with Docker: Fast, Secure, and 100% Cost-Effective

By admin June 11, 2026

Build your own GitHub Actions Runner with Docker to save costs, speed up builds, and gain full control over your CI/CD infrastructure. A practical guide.

Ubuntu

Guide to Building a Centralized Syslog Server: Consolidating Logs with Rsyslog and Logrotate

By admin June 11, 2026

Centralized log management is a must-have skill for SysAdmins. Learn how to configure Rsyslog and Logrotate on Ubuntu to gather logs from multiple servers efficiently and securely.

Linux

Managing /etc Configuration with etckeeper: A Safety Net for Every SysAdmin

By admin June 10, 2026

Stop worrying about misconfiguring system files. Learn how to use etckeeper to manage /etc with Git, allowing you to track history and restore Linux configurations in seconds.

Docker

Podman Desktop: A Smooth, Secure, and Lightweight Docker Desktop Alternative

By admin June 10, 2026

Podman Desktop is the perfect Docker Desktop alternative: free, lightweight, and more secure with rootless mode. See our detailed guide for Windows and Linux.

VMware

Vagrant + VMware Workstation: The “Killer” Combo for DevOps Lab Environments

By admin June 9, 2026

Learn how to use Vagrant with VMware Workstation to optimize lab performance. Save disk space with linked clones and discover practical troubleshooting tips for DevOps.

Database

Database Version Control with Liquibase: Automating CI/CD and ‘Painless’ Rollbacks

By admin June 9, 2026

Manual database management is the fastest route to a deployment disaster. Discover how to use Liquibase to automate migrations and secure your data just like you manage code with Git.

MySQL

Add Columns to a 200 Million Record Table in 0.1 Seconds: The Power of ALGORITHM=INSTANT in MySQL 8.0

By admin June 8, 2026

Discover how to use ALGORITHM=INSTANT in MySQL 8.0 to add or drop columns on tables with hundreds of millions of records in milliseconds, completely eliminating downtime.