FreeVPS

FreeVPS is a GPL-licensed virtualization patch for the Linux kernel developed by Positive Software Corporation. It was originally a fork of Linux-VServer.

Description

FreeVPS is an open source software product that allows the partitioning of a single server into relatively isolated Virtual Private Servers (VPSs) using operating system-level virtualization.

Each VPS has:
* Complete Root Access
* Own hostname
* Full-Featured System Administration as of a Physical Server
* Complete isolated namespaces for each VPS
* Independence from underlying hardware; virtual servers can be easily moved to another physical server
* Networking management
** IP addresses management
** Subnets management
** Virtual network interfaces management
*** Up to 255 virtual network interfaces/interface aliases
*** Interfaces bandwidth/speed limitation
* Capabilities management
* Devices management
* Various additional flags for advanced VPS management
* Limitable Resource Consumption
** Disk Limit
** Memory Limit
*** Virtual Memory Limit
*** SWAP
** Traffic accounting
** Process Limit
** File Limit
** TCP Socket Limit
** CPU Hard Limit
** CPU Guaranteed Limit
* Shared Administrative Tasks
** Pre-generated batch installation of RPMs (called templates) for the following operating systems
*** Red Hat Enterprise Linux AS/ES/WS release 4
*** Red Hat Enterprise Linux AS/ES/WS release 3
*** CentOS release 4.x
*** CentOS release 3.x
*** White Box Enterprise Linux release 4
*** White Box Enterprise Linux release 3
*** Red Hat Linux release 7.3
*** Trustix Secure Linux release 2.2
** Data backups
** Task monitoring
** Network traffic monitoring for each virtual server
* Complete integration with H-Sphere

Similar technologies

Other implementations of operating system-level virtualization technology are OpenVZ/Virtuozzo, Linux-VServer, FreeBSD Jails, and Solaris Containers.

See also

* Operating system-level virtualization
* Comparison of virtual machines

External links

* [http://www.freevps.com FreeVPS Website]