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5 bytes added, 13:15, 12 January 2010
OS Virtualization: (CT)
From the point of view of applications and [[container]] users, each container is an independent system. This independence is provided by a virtualization layer in the kernel of the host OS. Note that only a negligible part of the CPU resources is spent on virtualization (around 1-2%). The main features of the virtualization layer implemented in OpenVZ are the following:
* A [[container]] (CT) looks and behaves like a regular Linux system. It has standard startup scripts; software from vendors can run inside a container without OpenVZ-specific modifications or adjustment;
* A user can change any configuration file and install additional software;
* [[Container]]s are completely isolated from each other (file system, processes, Inter Process Communication (IPC), sysctl variables);
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