A KVM VPS is a virtual private server built on KVM (Kernel-based Virtual Machine), a full virtualization technology. In plain terms: a physical server is split into several independent virtual machines, and with KVM each one behaves like a real, standalone computer — its own kernel, its own operating system, its own dedicated slice of resources. If you're deciding on a VPS, "KVM" is the type you generally want.

KVM vs container-based VPS

Not all VPS hosting is the same underneath. The two common approaches:

• KVM (full virtualization): each VPS runs its own kernel. You can install any OS (Linux or Windows), load kernel modules, run Docker cleanly, and the RAM you're allocated is genuinely yours.
• Container-based (e.g. OpenVZ): VPSs share the host's kernel. This is lighter-weight and can be cheaper, but you're limited to the host's kernel, can't run every OS, and resources are shared more loosely — "your" RAM can be reclaimed by the host.

For most real projects, KVM's isolation and flexibility are worth it. Container-based VPS is fine for simple, low-cost needs, but it hits walls quickly.

What you can do with a KVM VPS

• Run any operating system — Debian, Ubuntu, AlmaLinux, Rocky, Windows Server.
• Get full root/administrator access and install anything.
• Run Docker and Kubernetes without kernel workarounds.
• Use custom kernel modules, VPNs, and low-level networking.
• Rely on dedicated RAM that won't be borrowed by neighbours.

When you need a KVM VPS

Choose a KVM VPS when you want:

• A real, isolated server you fully control, without the cost of a dedicated machine.
• To host websites, apps, databases, game servers or VPNs with room to grow.
• The freedom to run any OS or software stack, including Windows.
• Predictable performance from dedicated resources.

If you've outgrown shared hosting but don't need (or want to pay for) a whole physical machine, a KVM VPS is the natural next step. If you do need raw, uncontended hardware, see VPS vs dedicated server.

Getting started

A good KVM VPS gives you full root, SSD storage, a choice of OS, and fast provisioning. Internetport's KVM VPS hosting offers all of that — dedicated RAM, SSD storage, dual-node replication, Windows or Linux, live in about 60 seconds, hosted in Europe. If price is your main concern, read what a cheap KVM VPS actually gets you so you don't end up on an oversold box.