ITFROMZERO – Share tobe shared!

Ubuntu Security: Using Firejail to Sandbox Applications and Prevent Data Theft

By admin May 17, 2026

Don't let a random GitHub script steal your SSH keys or passwords. Firejail allows you to easily sandbox Ubuntu applications, keeping your system secure and lightweight.

Git

Git Rerere: Don’t Let Merge Conflicts Trouble You Twice

By admin May 17, 2026

Git Rerere is a feature that remembers how you fix merge conflicts to automatically apply them next time. This trick saves 30-40 minutes when rebasing complex branches.

Git

Trunk-based Development: The Secret to Eliminating ‘Merge Hell’ and Accelerating CI/CD

By admin May 16, 2026

Trunk-based Development is the secret weapon used by top tech teams like Google and Facebook to accelerate releases. Learn how to eliminate merge conflict fears and optimize your CI/CD workflow today.

Database

Deploying MariaDB Galera Cluster: A Multi-master High Availability Solution for Production

By admin May 16, 2026

A detailed guide on setting up a 3-node MariaDB Galera Cluster. This synchronous multi-master solution ensures your database system stays online and secure against hardware failures.

Linux

Recover Linux Partitions and Data: A Practical Guide to TestDisk and PhotoRec

By admin May 16, 2026

Lost data or accidentally deleted a Linux partition? A practical guide on using TestDisk and PhotoRec to recover data quickly and safely from an expert.

Artificial Intelligence tutorial - IT technology blog

K8sgpt Guide: Diagnose Kubernetes Clusters with AI in 30 Seconds

By admin May 16, 2026

Save 80% of Kubernetes log debugging time with K8sgpt. Detailed guide on using AI to automatically diagnose CrashLoopBackOff, Ingress, and RBAC errors in just 30 seconds.

Database

Meilisearch: A “Lightning-Fast” Search Engine to Replace Elasticsearch for Small and Mid-sized Projects

By admin May 16, 2026

Meilisearch is a high-speed search solution and a perfect alternative to Elasticsearch for small to medium websites. This article covers setup, configuration, and practical insights from 6 months of production use.

Database

Valkey Installation Guide: The Perfect Open Source Redis Alternative

By admin May 16, 2026

Valkey is a fully open-source fork of Redis created after its license change. Here is a detailed guide to installing Valkey on Docker and Ubuntu for developers.

Ubuntu

Installing Caddy on Ubuntu: Reverse Proxy with Automatic HTTPS in a Heartbeat

By admin May 16, 2026

A guide to installing Caddy Web Server on Ubuntu. The perfect Nginx alternative featuring automatic HTTPS and ultra-fast Reverse Proxy configuration in minutes.

Monitoring

Dozzle: Real-time Docker Log Monitoring via Web (Say Goodbye to docker logs -f)

By admin May 16, 2026

Forget docker logs -f. Dozzle provides a lightweight Web UI for real-time Docker container logs. Detailed guide on Dozzle installation and security for Sysadmins.

Building Your Own Mail Server with Postfix and Dovecot on Ubuntu 22.04: Take Full Control of Your Mail Flow

CentOS 7 to AlmaLinux/Rocky Linux Upgrade Guide using ELevate: Fast, Efficient, No Reinstall Needed

Eliminate ‘Noisy Neighbor’ Issues with VMware SIOC: Protecting Bandwidth for Critical VMs

Handling IOMMU Groups with ACS Override Patch: The Ultimate GPU Passthrough Trick for Budget Motherboards

Optimizing Proxmox: How to Create a ‘Gold Standard’ LXC Template for Mass Deployment in 30 Seconds

Optimizing PHP 8.3 on Ubuntu 24.04: Don’t Let Your Server Run Like a Snail

Mastering Python functools: Writing Better, Faster Code

Fixing SELinux Errors on Fedora for Good: Use setroubleshoot and audit2allow Instead of Disabling It

Build Your Own High-Performance, Low-Cost Git Server with Gitea on Fedora: Maximum Security with SELinux

Configuring Multi-WAN Failover on Linux: A “Never-Down” Internet Solution with Keepalived

Ubuntu Security: Using Firejail to Sandbox Applications and Prevent Data Theft

Git Rerere: Don’t Let Merge Conflicts Trouble You Twice

Trunk-based Development: The Secret to Eliminating ‘Merge Hell’ and Accelerating CI/CD

Deploying MariaDB Galera Cluster: A Multi-master High Availability Solution for Production

Recover Linux Partitions and Data: A Practical Guide to TestDisk and PhotoRec

K8sgpt Guide: Diagnose Kubernetes Clusters with AI in 30 Seconds

Meilisearch: A “Lightning-Fast” Search Engine to Replace Elasticsearch for Small and Mid-sized Projects

Valkey Installation Guide: The Perfect Open Source Redis Alternative

Installing Caddy on Ubuntu: Reverse Proxy with Automatic HTTPS in a Heartbeat

Dozzle: Real-time Docker Log Monitoring via Web (Say Goodbye to docker logs -f)