Ubuntu – ITFROMZERO – Share tobe shared!

Monitoring tutorial - IT technology blog

Installing Nagios Core on Ubuntu: Monitoring Rock-Solid Infrastructure with NRPE and Custom Plugins

By admin September 9, 2026

Don't overlook Nagios Core if you need absolute stability. A detailed guide on installing Nagios on Ubuntu, configuring NRPE, and writing high-quality custom monitoring plugins.

Ubuntu

Building Your Own ‘Personal Netflix’ with Plex on Ubuntu: Leveraging Hardware Transcoding for Smooth 4K Streaming

By admin September 6, 2026

A guide to building a personal movie streaming system with Plex on Ubuntu. Leverage Hardware Transcoding for smooth 4K video processing and CPU resource savings.

Ubuntu

Juju and Charmed Operators on Ubuntu: Automating Deployment and Application Lifecycle Management with a Model-Driven Approach

By admin September 3, 2026

Juju and Charmed Operators are Canonical's orchestration toolkit for deploying and managing the full lifecycle of complex applications using a Model-driven approach on Ubuntu. Instead of writing manual scripts for each service, Juju automatically handles the relationships between services as the topology changes — scaling, upgrading, and backups are all managed through a single unified interface.

Ubuntu

Using Distrobox on Ubuntu: Experience Arch and Fedora Instantly Without Reinstalling

By admin August 30, 2026

Learn how to use Distrobox on Ubuntu to run Arch Linux, Fedora, or Alpine directly in your terminal. Install the latest software without breaking your system.

Ubuntu

Still Vulnerable After Updating Ubuntu? Use needrestart to Fix It Properly

By admin August 30, 2026

Is an APT update enough? Learn how to use needrestart to manage service restarts, keeping your Ubuntu server secure without unnecessary reboots.

Ubuntu

Building Your Own Custom Ubuntu ISO: Deploy 50 Machines as Fast as One Using Cubic

By admin August 28, 2026

Forget about manual installations for every machine. This guide to using Cubic helps you create a custom Ubuntu ISO pre-loaded with all the software and drivers your business needs.

Ubuntu

MAAS on Ubuntu: Turn 100 Physical Servers into a ‘Cloud’ Instantly

By admin August 17, 2026

Forget about manual OS installation via USB. This guide helps you master MAAS on Ubuntu to automate the entire physical server deployment process, from DHCP and IPMI to Custom Images.

Linux

Fixing Nvidia and VirtualBox Drivers Blocked by Secure Boot: A Kernel Module Signing Guide

By admin August 15, 2026

The 'Required key not available' error when installing Nvidia drivers on Linux is usually caused by Secure Boot blocking unsigned modules. Here is a simple guide to creating MOK keys and signing your drivers.

Development

Experiencing Zed Editor on Linux: Why I Switched from VS Code to a Rust-based Editor

By admin August 11, 2026

How fast is Zed Editor compared to VS Code? Explore a real-world 6-month experience using Zed on Linux and how to configure it for peak performance.

Security

Snort 3 Installation Guide on Ubuntu: A Comprehensive IDS/IPS Shield for Your Server

By admin July 30, 2026

A detailed guide on installing Snort 3 on Ubuntu from source code. Optimize IDS/IPS performance with multi-threaded architecture to protect your server from modern cyber attacks.