"In the past we have looked at using OpenVZ for container
virtualization on Linux. OpenVZ is great as it allows you to run
compartmentalized “servers” within an operating system
so you can separate systems, much like running virtual machines on
a host system. With OpenVZ, you can get the benefits of
virtualization without the overhead.
"The downside of OpenVZ is that it isn’t in the mainline
kernel. This means you need to run a kernel provided by the OpenVZ
project. By itself this isn’t necessarily a problem, unless
you are running an unsupported Linux distribution, and also if you
don’t mind a bit of lag from upstream security fixes.
"Like OpenVZ, Linux Resource Containers (LXC) provide the
ability to run containers that contain processes run within them to
isolate them from the host operating system."
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