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VPS Hosting Definition

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VPS mean Virtual Private Server, is a service (include a server, internet connection and a host operating system) which helps any service provider to transform their single server into multiple virtual servers. By this service any service provider would be able to host a variety of entities but all of that using entirely one server. Thus it enables the sharing of a single server by multiple customers at the same time and that too using the same hardware as well as the same connection.
VPS is a solution offering dedicated software installs (mysql, httpd, php, exim, etc) while still sharing hardware resources with other VPS accounts that are setup on the main VPS node. As such, we use a virtualization software called OpenVZ to virtualize the beefy node's drives and split the drive array into individual containers (a container is also known as a 'slice' which is your actual VPS account).







VPS is not really meant for production servers, it is more geared and aimed towards clients who need a development server environment for testing, programming, coding and other development processes. It can also be aptly used for a few very small static sites who simply require increased levels of reliability and uptime and/or who need root access in order to customize their software installs to play into the purpose of VPS being geared towards development, not production.
In any case, to control the node and to ensure that no single VPS account monopolizes the shared hardware resources of the VPS node ( CPU / RAM ) we use virtual limits (set and configured in the OpenVZ configuration files for each container) to implement certain resource controls. And off course it is also available for production as well.