How do I check if your Linux guest is physical or virtual.
To The know the Type of Virtualization, Install Virt-what Tool
For Ubuntu/Debian Linux:
#apt-get install virt-what
For CentOS/RHEL Linux:
#yum install virt-what
For Fedora Linux:
# dnf install virt-what
Check the type with below command
[root@webnoidschools ~]# virt-what
xen
xen-hvm
[root@webnoidschools ~]# virt-what
vmware
For VirtualBox Guest:
[root@webnoidschools ~]# virt-what
virtualbox
kvm
For KVM guest:
[root@webnoidschools ~]# virt-what
kvm
You can also use the dmidecode command to achieve the same result. type the following command:
# dmidecode -s system-product-name
# dmidecode -s system-manufacturer
[root@webnoidschools ~]# dmidecode -s system-product-name
HVM domU
[root@webnoidschools ~]# dmidecode -s system-manufacturer
Xen