DevOps – Page 2 – ITFROMZERO

Automated Temporary File Management with systemd-tmpfiles: Don’t Let Your Server Die from Junk

By admin June 25, 2026

Avoid server downtime due to full disks. Learn how to use systemd-tmpfiles to automatically clean up temporary files and manage Linux system directories professionally and safely.

Git

Mastering git restore and git switch: The Modern Git Replacements for git checkout

By admin June 24, 2026

git switch and git restore split git checkout into two separate commands — each doing exactly one thing. Since Git 2.23, the workflow is clearer, less error-prone, and especially beneficial for team collaboration.

Ubuntu

Automating Ubuntu Security Patches: How to Use unattended-upgrades Effectively

By admin June 23, 2026

Configure unattended-upgrades to automatically install security patches on Ubuntu, reducing your attack surface and saving time on routine server administration.

Docker

Professional Production Dockerization for Laravel: Multi-stage Build, Worker, and Scheduler

By admin June 22, 2026

Learn how to professionally Dockerize Laravel using Multi-stage builds. Isolate PHP-FPM, Nginx, Worker, and Scheduler to optimize performance and image size for production.

Docker

Docker & OpenTelemetry: Comprehensive Microservices Monitoring Without Touching Code

By admin June 22, 2026

Integrate OpenTelemetry into Docker for comprehensive Microservices monitoring. Detailed guide on using Auto-instrumentation to collect Traces/Metrics without modifying code.

Python

Mastering psutil: The Ultimate ‘Weapon’ for System Monitoring with Python

By admin June 22, 2026

Server crashing due to memory leaks? Discover how to use psutil in Python to build automated monitoring systems and manage CPU, RAM, and Disk like a pro.

Git

Configuring .git-blame-ignore-revs: Don’t Let Prettier “Steal Credit” from Your Colleagues

By admin June 22, 2026

Stop letting formatting commits clutter your code history. Learn how to configure .git-blame-ignore-revs to find the logic author in seconds.

Fedora

Build Standard RPMs with Mock: Solving the “Works on My Machine” Problem for Good

By admin June 22, 2026

Stop letting "it works on my machine" bugs haunt you. Learn to use Mock on Fedora to build RPMs in a clean, isolated, and professional chroot environment.

Security

Beyond authorized_keys: Using SSH CA for Centralized Server Access Management

By admin June 22, 2026

Manage hundreds of servers with ease using SSH Certificate Authority (SSH CA). A perfect alternative to traditional Public Keys, enabling instant access revocation and maximum security.

Ubuntu

Ubuntu Autoinstall: The Ultimate Trick for Automated Mass Server Deployment with cloud-init

By admin June 22, 2026

Fully automate the Ubuntu Server installation process with Autoinstall and cloud-init. A detailed guide on creating configuration files and building automated ISOs for mass deployment.