DevOps – Page 6 – ITFROMZERO

Buildah: Build OCI Container Images Without Docker Daemon — The Rootless Solution for CI/CD

By admin June 28, 2026

Buildah lets you build OCI container images without a Docker daemon, running completely rootless as a regular user. This guide walks through installation, building with a Containerfile or scripted build, and securely integrating Buildah into GitLab CI and GitHub Actions pipelines.

Fedora

Goodbye ‘podman generate systemd’: How to Use Quadlet for Professional Container Management on Fedora

By admin June 27, 2026

Forget podman generate systemd! This guide helps you master Podman Quadlet on Fedora to manage rootless containers like a pro using .container files.

Database

Professional Database Schema Management with Bytebase: GitOps Workflow and SQL Review for Dev Teams

By admin June 27, 2026

A detailed guide on using Bytebase to manage Database Schema Changes following GitOps standards. Help dev teams automate SQL reviews for safer and more professional deployments.

Monitoring

Monitor Directory Sizes with Prometheus Folder Exporter: Don’t Wait for a Full Disk to Panic

By admin June 25, 2026

Stop SSHing into servers at 2 AM to find bloated log files. Use Prometheus Folder Exporter to monitor directory sizes and get early alerts.

Network

Scapy: The ‘Heavy Weapon’ for Network Troubleshooting on Linux

By admin June 25, 2026

Don't let basic networking tools limit your debugging capabilities. Learn how to use Scapy to craft custom packets, bypass firewalls, and diagnose the most subtle network issues.

Git

How to Set Up a Self-Hosted Git Bare Repository on Linux via SSH: Share Code in Small Teams Without Gitea or GitHub

By admin June 25, 2026

Self-host a Git server in 10 minutes using a bare repository over SSH — no Gitea, no GitHub, no extra software required. Perfect for small teams of 2–5 people who want secure, simple, low-maintenance internal code sharing.

Docker

Dockerizing Django REST Framework: From ‘Bulky’ Images to Lean Production Builds

By admin June 25, 2026

Learn how to optimize Docker for Django REST Framework for production: reduce image size, configure multi-stage builds, and efficiently manage Celery/Redis stacks.

Linux

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.