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How can I find out whether a Linux system is a physical machine or a virtual machine?

How can I find out whether a Linux system is a physical machine or a virtual machine?

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madunix

8/22/2022 - Mon
Scott Silva

I think one of the easiest is
sudo dmesg | grep "Hypervisor detected"

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But there are others...
https://www.golinuxcloud.com/check-if-server-is-physical-or-virtual/

serialband

There are multiple ways to attempt to find out, but you have to install the tools.
https://ostechnix.com/check-linux-system-physical-virtual-machine/
sudo dmidecode -s system-manufacturer
sudo facter 2> /dev/null | grep virtual
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