幾個檢查當前啟動並執行LINUX是在VM還是在實體機中的方法

$facter virtual 

physical

$facter virtual 
vmware

$cat /proc/scsi/scsi
Attached devices:
Host: scsi6 Channel: 03 Id: 00 Lun: 00
  Vendor: HP       Model: P410             Rev: 5.14
  Type:   RAID                             ANSI  SCSI revision: 05
Host: scsi6 Channel: 00 Id: 00 Lun: 00
  Vendor: HP       Model: LOGICAL VOLUME   Rev: 5.14
  Type:   Direct-Access    

$cat /proc/scsi/scsi
Attached devices:
Host: scsi1 Channel: 00 Id: 00 Lun: 00
  Vendor: NECVMWar Model: VMware IDE CDR10 Rev: 1.00
  Type:   CD-ROM                           ANSI  SCSI revision: 05
Host: scsi2 Channel: 00 Id: 00 Lun: 00
  Vendor: VMware   Model: Virtual disk     Rev: 1.0
  Type:   Direct-Access   

$ lspci | grep -i vmware

實體機上無返回結果

$ lspci | grep -i vmware
00:07.7 System peripheral: VMware Virtual Machine Communication Interface (rev 10)
00:0f.0 VGA compatible controller: VMware SVGA II Adapter
00:11.0 PCI bridge: VMware PCI bridge (rev 02)
00:15.0 PCI bridge: VMware PCI Express Root Port (rev 01)
00:15.1 PCI bridge: VMware PCI Express Root Port (rev 01)
00:15.2 PCI bridge: VMware PCI Express Root Port (rev 01)
00:15.3 PCI bridge: VMware PCI Express Root Port (rev 01)
00:15.4 PCI bridge: VMware PCI Express Root Port (rev 01)

$grep -i vmware /proc/scsi/scsi /proc/ide/*/model
grep: /proc/ide/*/model: No such file or directory

$ grep -i vmware /proc/scsi/scsi /proc/ide/*/model
/proc/scsi/scsi:  Vendor: NECVMWar Model: VMware IDE CDR10 Rev: 1.00
/proc/scsi/scsi:  Vendor: VMware   Model: Virtual disk     Rev: 1.0

實體機無返回

# dmidecode | grep -i vmware

        Manufacturer: VMware, Inc.
        Product Name: VMware Virtual Platform
        Serial Number: VMware-56 4d 29 65 6c ac 42 33-33 7f 89 2c d0 36 a3 25
        Description: VMware SVGA II