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BTW, after looking a few of the options (both those I found on my own and those mentioned here), I saw that some of them mention things like OpenVZ. I guess that is the virtualization software used. Do we need to know something about the underlying virtualization software / hypervisor that runs the VPS, or is it enough to know Linux? Last VPS I used, I only interacted with Centos, and did not know what the virtualization software was.

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There are differences in performance and implementation technology that can affect performance and such, but normal Linux administration techniques should always work. IDK off the top of my head, but OpenVZ guests I think need to run the same kernel version as the host, so that may play into it. KVM and Xen I belive don't have this drawback. OpenVZ doesn't give you dedicated access to resources i.e. it will allow other guests to use what you aren't using which affects performance. KVM and Xen I believe reserve ram and CPUs.

Interesting. Good info, thanks.

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