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How to Set Up Two-Factor Authentication (2FA) for SSH on Ubuntu with Google Authenticator

By IT From Zero October 7, 2026

Step-by-step guide to setting up two-factor authentication (2FA) for SSH on Ubuntu with Google Authenticator. Combine SSH keys and TOTP codes for robust server security.

Ubuntu

How to Install and Configure WireGuard VPN Server on Ubuntu: Setting Up a High-Speed Virtual Private Network

By IT From Zero October 7, 2026

A step-by-step guide to building a WireGuard VPN server on Ubuntu. Master Cryptokey Routing, tune MTU to prevent packet bottlenecks, and generate QR codes for quick client setup.

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.

Ubuntu

How to Install Tailscale on Ubuntu: Create a Mesh VPN Without Port Forwarding

By IT From Zero October 4, 2026

A step-by-step guide to installing and configuring Tailscale on Ubuntu. Set up a secure WireGuard Mesh VPN for remote server access without opening ports or buying static IPs.

Ubuntu

How to Build a Multi-Node Kubernetes Cluster on Ubuntu Server with K3s: Installation, Traefik Ingress, and Load Balancing

By IT From Zero October 3, 2026

A practical guide to building a multi-node Kubernetes cluster with K3s on Ubuntu Server. Optimize resources for budget VPS, join worker nodes in 5 minutes, and configure Traefik Ingress for smooth load balancing.

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.

Ubuntu

Transform Ubuntu into a Professional Workstation with Ubuntu Studio Installer

By IT From Zero September 19, 2026

Transform Ubuntu into a professional workstation for Audio, Video, and Graphics. Detailed guide on installing Ubuntu Studio Installer and optimizing the Low-latency kernel.

Ubuntu

Installing CUDA and cuDNN on Ubuntu 24.04: Unleashing GPU Power for Deep Learning

By IT From Zero September 19, 2026

No more training AI on CPUs! Here is a detailed guide on installing CUDA 12.x and cuDNN 9 on Ubuntu 24.04 to fully optimize NVIDIA GPU performance for Deep Learning.

Ubuntu

Deploying GlusterFS on Ubuntu: A Cost-Effective Distributed Storage Solution

By IT From Zero September 16, 2026

Eliminate the fear of data loss from server crashes. This detailed guide on building a GlusterFS distributed storage cluster on Ubuntu Server ensures 24/7 availability.

Ubuntu

Mastering HWE Stack on Ubuntu LTS: Don’t Let an Outdated Kernel Hold Back Your Hardware

By IT From Zero September 16, 2026

HWE Stack is the solution for using the latest Kernel and Drivers on Ubuntu LTS. Learn how to boost I/O performance and support modern hardware while maintaining system stability.