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Linux-VServer: Resource Efficient OS-Level Virtualization

Linux-VServer is a lightweigth soft partitioning system based on Context Isolation, used to create many independent Virtual Private Servers (VPS) under a common Linux kernel. A VPS looks and feels like a normal Linux server, and can be run side-by-side with others without measurable overhead.

Isolation and Resource Sharing allows for much higher density than VMMs or fully virtualized solutions, with near-zero overhead for many performance critical areas like networking or disk I/O.

Linux-VServer is around since many years and is used on embedded devices as well as large scale hosting centers, for Security, Administrative Purposes and Server Consolidation.