When you buy a Virtual Private Server (VPS), you are renting a slice of a larger physical machine. How that slice is cut matters immensely. Older technologies like OpenVZ utilize “container-based” virtualization, meaning all users on the server share the same base operating system kernel. KVM (Kernel-based Virtual Machine) allows each VPS to run its own isolated kernel, acting exactly like a true dedicated server.
With container-based virtualization, providers can heavily oversell the hardware. If another user on your node runs a massive script that consumes 100% of the CPU, your server will slow to a crawl. As a specialized brand under Ruin Private Limited, Ruin Host builds infrastructure tailored specifically for guaranteed performance, utilizing KVM virtualization to strictly fence off your RAM, CPU, and NVMe resources so they cannot be touched by other users.
Because KVM provides hardware-level isolation, it is exponentially more secure. It also allows developers to load custom OS kernels, run Docker natively without workarounds, and install any operating system (including custom Windows or Linux ISOs) from scratch.
Whether you are hosting a high-traffic database or a resource-heavy game server, unpredictable performance is unacceptable. KVM ensures you get exactly the hardware power you pay for, 100% of the time.