Ubuntu – Page 2 – ITFROMZERO

Monitoring tutorial - IT technology blog

Goodbye Nagios, Hello Icinga2: Monitoring Upgrades No Longer a ‘Nightmare’

By admin May 12, 2026

Tired of Nagios's outdated interface and messy configuration files? Discover Icinga2 – a modern monitoring solution that reduces configuration time by 90% with fast Telegram alert integration.

Artificial Intelligence tutorial - IT technology blog

Installing AnythingLLM on Ubuntu: Build Your Own Ultra-Secure Local AI Knowledge Base

By admin May 11, 2026

Build a secure internal RAG system with AnythingLLM on Ubuntu. Learn how to install via Docker, connect Ollama, and optimize your local AI knowledge base for absolute data privacy.

Network

Building a Professional Network Lab with GNS3 on Ubuntu: Maximum Performance, Real-world Experience

By admin May 10, 2026

Don't let Windows VMs slow down your networking studies. Learn how to install GNS3 directly on Ubuntu, optimizing KVM and Docker for a high-performance professional network lab.

Ubuntu

Upgrading to Ubuntu Server 24.04 LTS: A Practical Guide to a Safe Finish

By admin May 6, 2026

A practical guide to upgrading Ubuntu Server 22.04 to 24.04 LTS. A safe 5-step process using Screen to prevent network drops and handle package conflicts for Sysadmins.

Ubuntu

Installing MicroK8s on Ubuntu: A Lightweight Kubernetes Solution for Dev and Lab Environments

By admin May 5, 2026

Installing Kubernetes on Ubuntu has never been easier thanks to MicroK8s. This guide covers everything from installation and add-on configuration to troubleshooting firewall issues.

Ubuntu

Joining Ubuntu Server to Windows AD with SSSD: Centralized Management for Hundreds of Users

By admin May 3, 2026

Manually managing users on dozens of Ubuntu servers is a nightmare. This guide shows how to use SSSD to join Ubuntu Server to Windows AD for centralized management, automated home directories, and enhanced security.

Network

Wake-on-LAN (WoL) on Linux: Don’t Let Turning On Your Server Become a Nightmare

By admin May 1, 2026

Stop letting remote server management haunt you. Here is a detailed guide on configuring Wake-on-LAN on Linux to boot your server remotely with a single command.

Monitoring

Checkmk 101: Unified IT Monitoring on a Single Dashboard

By admin May 1, 2026

Centrally manage everything from Linux/Windows servers to Cisco and Mikrotik switches on a single dashboard. A detailed guide to optimizing IT infrastructure monitoring.

Ubuntu

How to Install Webmin on Ubuntu: Effortless Server Management with a Web UI

By admin April 30, 2026

Managing an Ubuntu server has never been easier. With Webmin, you can manage files, configure SSL, and monitor VPS resources directly in your browser without memorizing complex commands.

MySQL

MySQL GTID Replication Setup Guide: Advanced Data Synchronization and Automatic Failover

By admin April 27, 2026

A step-by-step guide to configuring MySQL GTID Replication on Ubuntu: set up Master and Slave, verify data synchronization, and handle automatic failover without manually tracking binlog positions.