Deploying My Headless Ubuntu Server

Priyanshu Khantwal — Mon, 09 Mar 2026 02:20:15 +0000

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 the isolated VirtualBox environment, I used a NAT network strategy with specific Port Forwarding rules.

Port Forwarding Rules

Protocol	Host IP	Host Port	Guest Port
TCP	127.0.0.1	2222	22

With the VM running quietly in the background, I can now drop into the server directly from my Mint terminal using:

ssh tommy@127.0.0.1 -p 2222

The Takeaway

Running headless forces you to interact with the OS exactly how you would in a real-world, remote enterprise environment—strictly through the command line interface (CLI). It is a highly efficient way to practice systems administration without melting your CPU. Small steps lead to solid foundations.

DEV Community: Priyanshu Khantwal

Deploying My Headless Ubuntu Server

The VirtualBox Configuration

Networking and Remote Access

Port Forwarding Rules

The Takeaway