There is no hard and fast rule to
check whether the machine is physical or virtual but still we do have some
commands which can be used for the some purpose.
NOTE: There might be other commands as
well but these are the few of my knowledge.
The command used to view all the
required hardware related information for any Linux machine is
# dmidecode
But the output would be very long and
hard to find out the specific details looking for. So, lets narrow it down
Physical Servers
# dmidecode -s system-product-name
System x3550 M2 -[7234AC1]-
As you can see in one of my servers I
see the above information which says the machine I am using is DELL System X
Now to get more details about the
system
# dmidecode | less (And search for
"System Information")
System Information
Manufacturer: DELL
Product Name: System x3550 M2 -[7284AC1]-
Version: 00
Wake-up Type: Other
SKU Number: XxXxXxX
Family: System x
Some more examples for different
product
# dmidecode -s system-product-name
ProLiant BL460c G6
# dmidecode | less
System Information
Manufacturer: HP
Product Name: ProLiant BL460c G6
Version: Not Specified
Wake-up Type: Power Switch
Family: ProLiant
For a DELL blade chasis
# dmidecode -s system-product-name
BladeCenter HS33 -[5940PRX]-
# dmidecode | less
System Information
Manufacturer: DELL
Product Name: BladeCenter HS33 -[5940PRX]-
Version: 06
Wake-up Type: Other
SKU Number: XxXxXxX
Family: System x
Virtual Servers
# dmidecode -s system-product-name
VMware Virtual Platform
# dmidecode | less
System Information
Manufacturer: VMware, Inc.
Product Name: VMware Virtual Platform
Version: None
Wake-up Type: Power Switch
SKU Number: Not Specified
Family: Not Specified
On a virtual server running VMware you
can run the below command to verify
# lspci | grep -i vmware
00:0f.0 VGA compatible controller:
VMware SVGA II Adapter
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