A virtual host service is a type of cloud infrastructure where you rent virtual machines running on shared physical hardware in a provider’s data center, instead of owning servers yourself. These VMs behave like dedicated servers where you choose CPU, memory, storage, and operating system, then deploy your applications or websites on top. DigitalOcean, for example, offers Droplets, which are on‑demand Linux virtual machines designed for developers to quickly spin up application or website environments at low cost. AWS Elastic Compute Cloud (EC2) offers similar virtual servers but within a much larger ecosystem of services such as managed databases, load balancers, and networking, letting you build everything from simple blogs to global-scale SaaS platforms.

From a CMS perspective, virtual host services give you full control over the software stack. You can choose your Linux distribution, install a web server such as Apache or Nginx, configure PHP and MySQL, and then install WordPress manually or via one‑click installers. This makes virtual machines ideal when you want flexibility and root access, such as tuning performance, hardening security, or hosting multiple sites on one server. Developers often pick DigitalOcean for its simple interface and predictable pricing, while enterprises often pick AWS EC2 for its deeper integration, extensive regions, and enterprise-grade tooling.