DevOps Archives - Page 8 of 63 - ITFROMZERO

Guide to Configuring Linux Capabilities (cap-drop and cap-add) in Docker to Harden Security

By IT From Zero October 5, 2026

A detailed guide on hardening Linux Capabilities with cap-drop=ALL and cap-add in Docker. Prevent container escapes, standardize Docker Compose, and debug permission denied errors in production.

Git

How to Use git subtree split to Extract a Subdirectory into an Independent Repo with Full Commit History

By IT From Zero October 5, 2026

Need to urgently extract a module into a standalone repository without losing commit history? Here is how to safely use git subtree split to isolate subdirectories while preserving full git log and git blame.

Git

Git assume-unchanged vs. skip-worktree: How to Safely Ignore Local Config Files

By IT From Zero October 4, 2026

Understand the key differences between assume-unchanged and skip-worktree in Git. Learn how to safely ignore local config changes and prevent data overwrite on git pull.

Ubuntu

How to Install and Configure Prometheus with Grafana on Ubuntu Server

By IT From Zero October 4, 2026

A hands-on guide to installing and configuring Prometheus, Node Exporter, and Grafana on Ubuntu Server for accurate, continuous hardware monitoring.

Docker

Setting Up LocalStack with Docker Compose: Emulate AWS S3, SQS, and DynamoDB Locally

By IT From Zero October 4, 2026

A comparison of 3 AWS emulation approaches for local development and a step-by-step guide to configuring LocalStack with Docker Compose for offline testing and cloud cost savings.

Fedora

Getting Started with bootc on Fedora: Build and Deploy Bootable Container Operating Systems

By IT From Zero October 4, 2026

bootc applies container packaging workflows directly to the Fedora operating system. Learn how to write Containerfiles, export QCOW2 virtual disks, and manage OS lifecycles using GitOps.

Git

Enabling Git FSMonitor and Untracked Cache: Speed Up git status on Massive Repositories

By IT From Zero October 3, 2026

A step-by-step guide to enabling Git FSMonitor and Untracked Cache, slashing git status execution time from 8 seconds down to under 0.15 seconds on large repositories.

Security

How to Use Kube-bench to Audit Kubernetes Security Against CIS Benchmarks

By IT From Zero October 3, 2026

A hands-on guide to scanning vulnerabilities and hardening Kubernetes cluster security against CIS Benchmarks using Kube-bench based on real-world experience.

Ubuntu

Installing and Configuring CrowdSec on Ubuntu: A Production-Ready Alternative to Fail2ban

By IT From Zero October 3, 2026

A hands-on guide to installing and configuring CrowdSec on Ubuntu Server. Discover why CrowdSec outperforms Fail2ban through community CTI and resource efficiency.

MySQL

How to Use Flyway for MySQL Schema Migration and Version Control in CI/CD

By IT From Zero October 3, 2026

Learn how to use Flyway to automate schema migrations and version control for MySQL databases. Eliminate schema drift during deployments and integrate safely into your CI/CD pipeline.