Deploying My Headless Ubuntu Server

Building a home lab is practically a rite of passage in cybersecurity, but you don't need massive enterprise hardware to get started. Today, I focused on building a solid, resource-efficient foundation by deploying a headless Ubuntu Server . My primary host is a Linux Mint machine running on an Intel i3 11th Gen processor with 8GB of RAM . To keep the hardware footprint as low as possible while still simulating a realistic remote server environment, I bypassed the Graphical User Interface (GUI) entirely. The VirtualBox Configuration I used VirtualBox 7.2.6 to spin up Ubuntu Server 24.04 LTS . Because a headless server does not need to render graphical elements, I was able to allocate absolute minimal resources: RAM: 2048 MB CPU: 1 Core Storage: 15 GB (Dynamically Allocated) Networking and Remote Access The core challenge of a headless setup is accessing it securely. During the Ubuntu installation, I ensured the OpenSSH Server package was included. To connect from my host terminal to th