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LWN.net Weekly Edition for May 16, 2013
A look at the PyPy 2.0 release
PostgreSQL 9.3 beta: Federated databases and more
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(Nearly) full tickless operation in 3.10
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Posted Jul 25, 2012 12:17 UTC (Wed) by Lennie (subscriber, #49641)
LXC is a bit more flexible in what it can be I believe, but normally OpenVZ, Linux V-Server and other are like a seperate process- and filesystem-namespace with sometimes a seperate network stack (in the case of the filesystem, that just means, each container is a seperate directory).
Or as Jonathan Corbet described it on this site:
"Containers" can be thought of as a lightweight form of virtualization. Virtualized guests appear to be running on their own dedicated hardware; containers, instead, run on the host's kernel, but in an environment where they appear to have that kernel to themselves. The result is more efficient; it is typically possible to run quite a few more containerized guests than virtualized guests on a given system. The cost, from the user's point of view, is flexibility; since virtualized guests can run their own kernel, they can run any operating system while containerized guests are stuck with what the host is running."
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