An administrator is logged into a server remotely and wants to determine if the system is a VM. Which of the following commands would assist with this?
We can find the system's type using dmesg utility. dmesg is used to examine or control the kernel ring buffer.
To check if your Linux system is physical or virtual, simply run:
$ sudo dmesg | grep "Hypervisor detected"
If your system is physical, you will not see any output.
If your system is virtual machine, then you will see an output something like below.
[ 0.000000] Hypervisor detected: KVM
vmstat = Virtual Memory Statistics, not 'Virtual Machine' status, as one might expect. You can use the command @igm displayed, or: sudo dmesg | grep "DMI" ... effectively producing the same results from the DMESG log (Ring Buffer) ...
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