What is KVM VPS?

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PerfoHost Virtual Private Servers powered by Kernel Based Virtual Machine

Quote from linux-kvm.org: "KVM (for Kernel-based Virtual Machine) is a full virtualization solution for Linux on x86 hardware containing virtualization extensions (Intel VT or AMD-V). It consists of a loadable kernel module, kvm.ko, that provides the core virtualization infrastructure and a processor specific module, kvm-intel.ko or kvm-amd.ko. KVM also requires a modified QEMU although work is underway to get the required changes upstream.

Using KVM, one can run multiple virtual machines running unmodified Linux or Windows images. Each virtual machine has private virtualized hardware: a network card, disk, etc."

Main features of KVM VPS are:

— KVM virtualization technology offers VNC support that gives you full, physical-like access to the console of your VPS.

— RAM and disk are not shared with other virtual machines on the main server. This makes your KVM VPS even more stable and excludes a possibility of overselling.

— KVM VPS allows you to choose custom kernels as well as custom kernel modules for your KVM VPS guest OS.

— You may set up a VPN server in KVM VPS (PPTP, OpenVPN, IPSec).

— Full guest OS support. Allows you to install Windows, Linux, BSD, OpenSolaris, etc.

— With KVM VPS you may run a Window manger such as Gnome or KDE and and interact with it using VNC.

KVM VPS vs OpenVZ/Virtuozzo vs Xen

	KVM VPS	OpenVZ / Virtuozzo	Xen
Dedicated filesystem of your choice (with direct block level access)		–
Dedicated RAM with full access and debugging capabilities		–
Dedicated server like isolation		–
VNC connection from the very early boot stage		–	limited support
PPTP VPN		limited support
OpenVPN		limited support
IPSec VPN		–	limited support
Firewall Configuration		limited support
Kernel mode NFS server		–	–
Independent kernel		–	limited support
Independent kernel modules		–	limited support
Full control on sockets and processes		–	–
Full guest OS support (Windows, Linux, BSD, OpenSolaris, etc.)		–	limited support
Direct dedicated access to PCI / PCIe cards		–	limited support
Fine grained swap configuration per VPS		–	limited support
Official integration with the Linux kernel		–

KVM VPS with PerfoHost

Performance & Flexibility & Security & Scalability

Selecting the PerfoHost KVM VPS for your hosting platform gives you more of everything. As a scalable, managed solution, the KVM VPS decreases your time to market, allows you to focus on your core competencies, and frees up limited resources.

With KVM VPS you get a hosting environment with your own Unix or Windows virtual machine. Each VPS is a private and protected area that operates as an independent server.

A VPS accommodates the present hosting needs of your business, but also provides an easy upgrade path to meet future requirements. Even if you already have a Web site, moving to a VPS can improve the online presence of your business by hosting your company e-mail or intranet.