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I experimented with OpenVZ at home for some time many years ago and I'm always amazed to see that it's still offered anywhere. I'd have thought even LXC would

I experimented with OpenVZ at home for some time many years ago and I'm always amazed to see that it's still offered anywhere. I'd have thought even LXC would have universally taken over by now. Who is still running CentOS 6 as a host?

sys42590 4y ago
Some companies are still offering OpenVZ because it allows to heavily oversell RAM, CPU and storage bandwidth with somewhat graceful degradation of guest performance. I think OpenVZ has kernel patches for RHEL7's 3.10.x kernel, which is supported by Red Hat till 2024. So in theory it's possible to have a secure OpenVZ VM but in reality bad practices (like heavy overselling the hardware) flock together.