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I've recently got a new dedicated server (rented in a datacenter) that has been sold as a full dedicated server - and questions about this have not yet been answered.
How can I tell if my dedicated server is actually running within a larger system as a virtual dedicated server? I have root and apparent 'full' control over the system, but I know this could all be virtual.
Also, dmesg shows the following message:
"booting paravirtualized kernel on bare hardware"
Which only furthers my suspicions. Should I be concerned? I tried Scoopy Doo but this only showed 1 result (from Scoopy) to say it was VMware - the other two results came back negative, and all results from Doo came back negative.
The root file system, /, is very different from the root filesystem at /proc/1/root (or, for that matter, some other /proc/#*$!XX/root) and most of the important programs - such as DJBDNS and ClamAV - are located in this 'other' root system. Causing huge troubles as running programs in this 'other' root system references files that it thinks appear in, say, /usr/bin/#*$!x but actually appear in /proc/1/root/usr/bin (for example)...
Any thoughts appreciated!
If it's a dedicated server, and you can do whatever you want with it, then run some standard benchmarks and see if it's as fast as it should be.
You could also look at what kernel modules/device drivers are loaded for clues.
And finally you could try to find cpu instructions that would not work in a VM and write a program around them (or find one) and see what happens.