LXC/SimpleBridge – Debian Wiki

There are typically two ways to create a bridged network setup: Create a bridge out of your main network interface, and assign it the IP address you normally would have on your main interface, so that you can use it for the bridge and for the containers as well. Create a different bridge that is independent of your main interface but that gets traffic forwarded to it (and from it). The remainder of this introduction covers only part 2.

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LXC – Debian

Linux Containers (LXC) provide a Free Software virtualization system for computers running GNU/Linux. This is accomplished through kernel level isolation using CGroups and namespaces. It allows one to run multiple virtual units simultaneously. Those units, similar to chroots, are isolated and utilize available resources efficiently, as they run on the same kernel.

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