虚拟机：

root@heto1-k1:~/jiaxl5/jia_scripts/openstack/heto1# lscpu |grep vendor
Hypervisor vendor:               KVM


root@heto1-k1:~/jiaxl5/jia_scripts/openstack/heto1# dmidecode -s system-manufacturer
QEMU

root@heto1-k1:~/jiaxl5/jia_scripts/openstack/heto1#  virt-what
kvm


root@heto1-k1:~/jiaxl5/jia_scripts/openstack/heto1# dmidecode -s system-product-name
Standard PC (Q35 + ICH9, 2009)

 (base) [root@sltvb7v2wy3 ~]# dmidecode -s system-product-name
OpenStack Nova



root@heto1-k1:~/jiaxl5/jia_scripts/openstack/heto1# lshw -class system
heto1-k1                    
    description: Computer
    product: Standard PC (Q35 + ICH9, 2009)
    vendor: QEMU
    version: pc-q35-2.11
    width: 64 bits
    capabilities: smbios-2.8 dmi-2.8 smp vsyscall32
    configuration: boot=normal uuid=154091F6-0752-9949-B9A9-109BDA8519C6
  *-pnp00:00
       product: PnP device PNP0b00
       physical id: 1
       capabilities: pnp
       configuration: driver=rtc_cmos





 (base) [root@sltvb7v2wy3 ~]# dmesg | grep -i virtual
[    0.000000] Booting paravirtualized kernel on KVM
[    0.239723] KVM setup paravirtual spinlock
[    3.062371] input: VirtualPS/2 VMware VMMouse as /devices/platform/i8042/serio1/input/input2
[    3.062549] input: VirtualPS/2 VMware VMMouse as /devices/platform/i8042/serio1/input/input3
[    3.075841] systemd[1]: Detected virtualization kvm.
[    3.099964] systemd[1]: Starting Setup Virtual Console...
[    3.132483] systemd[1]: Started Setup Virtual Console.

物理机：

root@heto1-j11:~# lscpu |grep vendor
root@heto1-j11:~# 



root@heto1-j11:~# dmidecode -s system-manufacturer
Lenovo


root@heto1-j11:~# virt-what
root@heto1-j11:~# 

root@heto1-j11:~# dmidecode -s system-product-name
ThinkSystem SR650 V2



root@heto1-j11:~# lshw -class system
heto1-j11                   
    description: Rack Mount Chassis
    product: ThinkSystem SR650 V2 (7Z73CTO1WW)
    vendor: Lenovo
    version: 07
    serial: J30AAHLA
    width: 64 bits
    capabilities: smbios-3.3.0 dmi-3.3.0 smp vsyscall32
    configuration: boot=normal chassis=rackmount family=ThinkSystem sku=7Z73CTO1WW uuid=F0D7D78E-9102-ED11-8B33-3A68DD80E28B




root@heto1-j11:~# dmesg | grep -i virtual
[    4.373616] Booting paravirtualized kernel on bare hardware
[    9.223455] DMAR: Intel(R) Virtualization Technology for Directed I/O
[   10.503607] scsi 0:0:68:0: Enclosure         LSI      VirtualSES       03   PQ: 0 ANSI: 7

扩展阅读

Intel的虚拟化技术称为Intel-VT(Virtual Technology)，
而AMD的叫做AMD-V(AMD Virtualization，AMD主板的BIOS中称为SVM)。

如何检查 Linux 系统是运行在虚拟机上还是物理机上？

https://www.51cto.com/article/746440.html

简介：

介绍了 dmidecode 和 virt-what

DMI 是桌面管理界面（Desktop Management Interface）的缩写，是几乎所有系统制造商都遵守的标准。DMI 框架用于管理和跟踪桌面、笔记本电脑或服务器计算机中的组件。

由于有了 DMI，我们可以获得有关系统硬件、系统制造商和设备序列号的信息，而使用 dmidecode（DMI Decode）命令，可以获取这些信息。另外，使用 -s system-manufacturer 也可获取制造商的详细信息。

如何检查你拿到手的Linux系统是物理机，还是虚拟机？

https://www.cnblogs.com/panw/p/16359561.html

简介：