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Can anyone explain me difference between linux containers and vserver? I mean containers managed by docker. I tried to read in the internet, but I have a problems with understanding it. Can anyone help me grasp difference, please?

1 Answer 1

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I mean containers managed by docker.

Not really.

LXC (Linux Containers) combines the kernel's cgroups and support for isolated namespaces to provide an isolated environment for applications. Docker can also use LXC as one of its execution drivers, enabling image management and providing deployment services. [1]


LXC (Linux Containers) and Linux-VServer are two different technologies, but they have the common goal in achieving OS-level virtualization technologies on Linux.


Linux-VServer

is a virtual private server implementation that was created by adding operating system-level virtualization capabilities to the Linux kernel. [2]

Means host kernel must be patched.


LXC (Linux Containers)

is an operating-system-level virtualization method for running multiple isolated Linux systems (containers) on a control host using a single Linux kernel.[1]

Means that LXC utilizes existing the cgroups functionality provided by the linux kernel that allows limitation and prioritization of resources (CPU, memory, block I/O, network, etc.)

[1] https://en.wikipedia.org/wiki/LXC
[2] https://en.wikipedia.org/wiki/Linux-VServer

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