Virtual machine images are pre-configured disk templates containing an operating system and optional software. Ubuntu provides official, minimal, production-ready VM images for x86_64 and ARM64 architectures. These images reduce deployment time from hours (bare-metal install) to minutes.

cloud-localds seed.iso user-data

wget https://cloud-images.ubuntu.com/noble/current/noble-server-cloudimg-amd64.img

Ubuntu, a dominant Linux distribution, is widely deployed as a virtual machine (VM) image due to its stability, security updates, and cloud integration. This paper examines the structure, acquisition, configuration, and optimization of Ubuntu VM images. It covers official sources (Ubuntu Cloud Images, Vagrant boxes), hypervisor compatibility (VMware, VirtualBox, KVM, Hyper-V), and key practices for resource management, guest additions, and system hardening.