ITFROMZERO – Share tobe shared!

Supercharge Docker Builds with BuildKit Mount Cache: From 10 Minutes to 30 Seconds

By admin April 7, 2026

Speed up Docker builds by 10x with BuildKit Mount Cache. Learn how to persist caches for npm, pip, and go mod to optimize your development workflow.

Git

Mastering Git Cherry-pick: How to ‘Pick’ Commits Precisely and Conflict Resolution Tips

By admin April 7, 2026

Master Git Cherry-pick to copy specific commits between branches. Learn usage, conflict resolution, and real-world tips to save developer time.

Fedora

Upgrading Fedora with DNF System Upgrade: Fast, Clean, and No Fear of ‘Bricking’ Your System

By admin April 7, 2026

A guide to safely upgrading Fedora using DNF System Upgrade. Keep your data intact, resolve dependency conflicts, and optimize your system after the update.

Git

Git Submodule vs Git Subtree: Don’t Let Shared Libraries Become Your Project’s ‘Black Hole’

By admin April 7, 2026

Analyzing the pros and cons of Git Submodule and Git Subtree. A guide to managing shared libraries effectively, avoiding code conflicts, and optimizing developer workflows.

Security

Stopping Brute-force: Deploying Authelia as SSO and 2FA for Web Systems

By admin April 6, 2026

Secure your self-hosted web systems with Authelia. A detailed guide on setting up Single Sign-On (SSO) and 2FA to effectively stop brute-force attacks.

Docker

Does Docker ‘Bypass’ UFW? Essential Container Port Security for VPS

By admin April 6, 2026

Why does UFW fail to block Docker ports? Discover 3 practical solutions to resolve Docker firewall bypass issues and protect your VPS from hackers.

Security

REST API Security: Don’t Let Your System Crash Due to Basic Mistakes

By admin April 6, 2026

Don't let your API be a gateway for hackers. Learn how to properly implement JWT, RBAC, and Data Validation to protect your entire system.

Fedora

Automating Container-Native Infrastructure with Fedora CoreOS and Ignition

By admin April 6, 2026

A detailed guide to deploying Fedora CoreOS and Ignition. Automate infrastructure configuration and manage Linux servers using Infrastructure as Code.

Linux

Managing Multiple Java Versions on Linux: Stop Doing It Manually, Use SDKMAN!

By admin April 6, 2026

Forget manual Java installation! SDKMAN! lets you install, manage, and switch between Java 8, 11, 17, and 21 on Linux with simple commands and no root access.

Fedora

Need Ultra-Lightweight Containers on Fedora? Try systemd-nspawn Instead of Docker

By admin April 6, 2026

Explore systemd-nspawn on Fedora: An ultra-lightweight container solution with instant boot times and minimal resource usage compared to Docker or Podman.

Repository Rescue: Mastering git fsck to Recover Code and Fix Data Errors

Optimize Windows Virtual Machines to Run ‘Silky Smooth’ with VMware OS Optimization Tool (OSOT)

Installing Pyrra: Managing SLOs and Alerts the Google SRE Way

Installing Woodpecker CI on Fedora Server: A Lightweight CI/CD Solution for Gitea

Configuring Docker daemon.json: Prevent Disk Full Errors and Production Server Crashes

Python lxml: The ‘Heavy Weapon’ for Processing XML/HTML in Legacy Systems

Mastering NetworkManager Dispatcher: Automate ‘Everything’ When Changing Networks on Linux

Configuring DNS Split-Horizon with BIND9: The IP “Splitting” Trick for LAN and Internet

Building Background Jobs for Next.js: Say Goodbye to Redis, Welcome Inngest

mysqlslap: How I “Torture” MySQL to Find Real-World Load Limits

Supercharge Docker Builds with BuildKit Mount Cache: From 10 Minutes to 30 Seconds

Mastering Git Cherry-pick: How to ‘Pick’ Commits Precisely and Conflict Resolution Tips

Upgrading Fedora with DNF System Upgrade: Fast, Clean, and No Fear of ‘Bricking’ Your System

Git Submodule vs Git Subtree: Don’t Let Shared Libraries Become Your Project’s ‘Black Hole’

Stopping Brute-force: Deploying Authelia as SSO and 2FA for Web Systems

Does Docker ‘Bypass’ UFW? Essential Container Port Security for VPS

REST API Security: Don’t Let Your System Crash Due to Basic Mistakes

Automating Container-Native Infrastructure with Fedora CoreOS and Ignition

Managing Multiple Java Versions on Linux: Stop Doing It Manually, Use SDKMAN!

Need Ultra-Lightweight Containers on Fedora? Try systemd-nspawn Instead of Docker