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Secure your Linux servers with Teleport, a modern Zero Trust access platform that provides a more secure alternative to traditional SSH access. In this hands-on tutorial, you’ll learn how to install Teleport, configure a Teleport control plane, enroll Ubuntu servers, and securely connect to your infrastructure through both the web interface and the Teleport client.

Thanks to Teleport for sponsoring this tutorial! Check out Teleport and secure your Linux servers with a modern Zero Trust access platform that provides a more secure alternative to traditional SSH access.

Learn how to secure an Ubuntu server with UFW (Uncomplicated Firewall) in this complete, hands-on Linux firewall tutorial. We’ll install UFW, configure secure default policies, create firewall rules, protect SSH, allow Apache traffic, limit connections, manage subnets and port ranges, enable logging, and explore the GUFW graphical interface.

Whether you’re a Linux beginner, system administrator, homelab enthusiast, or server administrator, this practical guide will help you understand how UFW works and how to use it safely. You’ll also learn the difference between deny and reject, how to check active rules, and how rate limiting can help protect SSH against brute-force attacks.