How to check a server VM image or physical machine ?

How to check a server VM image or physical machine ?

1. search in dmesg

dmesg | grep VMware

OR use below command

dmesg | grep 'XEN\|VMware\|VirtualBox'

grep with logical OR .

This can be run by non root users

Output :

XEN

[root@VMIMAGE1 data]# dmesg | grep 'XEN\|VMware\|VirtualBox'

#1 [000329b000 - 00032b8000] XEN PAGETABLES ==> [000329b000 - 00032b8000]

#5 [00028bc000 - 000329b000] XEN START INFO ==> [00028bc000 - 000329b000]

XENBUS: Device with no driver: device/vbd/51712

VirtaulBox

[root@VMIMAGE1 data]# dmesg | grep 'XEN\|VMware\|VirtualBox'

DMI: innotek GmbH VirtualBox/VirtualBox, BIOS VirtualBox 12/01/2006

Vmware

dmesg | grep 'XEN\|VMware\|VirtualBox'

DMI: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015

Hypervisor detected: VMware

ata2.00: ATAPI: VMware Virtual IDE CDROM Drive, 00000001, max UDMA/33

2. using dmidecode (only for root )

dmidecode -t system

Output :

Desktop or Non VM server

[root@sterinlap ~]# dmidecode -t system

# dmidecode 2.12

SMBIOS 2.7 present.

Handle 0x0001, DMI type 1, 27 bytes

System Information

Manufacturer: Dell Inc.

Product Name: Latitude E7440

Version: 01

Serial Number: DG5VD02

UUID: 4C4C4544-0047-3510-8056-C4C04F443032

Wake-up Type: Power Switch

SKU Number: Latitude E7440

Family: Not Specified

XEN

# dmidecode 2.11

# No SMBIOS nor DMI entry point found, sorry.

VirtaulBox

# dmidecode 2.12

SMBIOS 2.5 present.

Handle 0x0001, DMI type 1, 27 bytes

System Information

Manufacturer: innotek GmbH

Product Name: VirtualBox

Version: 1.2

Serial Number: 0

UUID: D29C6E95-B72D-4A89-BC8B-F720A31C4EEB

Wake-up Type: Power Switch

SKU Number: Not Specified

Family: Virtual Machine

Vmware

dmidecode -t system

# dmidecode 2.12

SMBIOS 2.7 present.

Handle 0x0001, DMI type 1, 27 bytes

System Information

Manufacturer: VMware, Inc.

Product Name: VMware Virtual Platform

Version: None

Serial Number: VMware-56 4d e1 ee 1c d7 be c2-07 ad 24 c5 73 a9 98 17

UUID: EEE14D56-D71C-C2BE-07AD-24C573A99817

Wake-up Type: Power Switch

SKU Number: Not Specified

Family: Not Specified

3. Checking SCSI devices (only for root )

cat /proc/scsi/scsi

Output :

Desktop or Non VM server

Attached devices:

Host: scsi1 Channel: 00 Id: 00 Lun: 00

Vendor: ATA Model: ST500LT032-1E914 Rev: SDM1

Type: Direct-Access ANSI SCSI revision: 05

XEN

cat /proc/scsi/scsi

Attached devices:

Shows no devices .

VirtaulBox

Host: scsi0 Channel: 00 Id: 00 Lun: 00

Vendor: VBOX Model: CD-ROM Rev: 1.0

Type: CD-ROM ANSI SCSI revision: 05

Host: scsi2 Channel: 00 Id: 00 Lun: 00

Vendor: ATA Model: VBOX HARDDISK Rev: 1.0

Type: Direct-Access ANSI SCSI

Vmware

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: VMware Virtual S Rev: 1.0

Type: Direct-Access ANSI SCSI revision: 02

4. Using Network Scan .

nmap -sP <IP of VM IMAGE>

This can be done from remote system also .

Nmap might need to install . It is not avilable by default

This also works for windows VM guest

Output :

Desktop or Non VM server

nmap -sP <DELL Lap>

Starting Nmap 5.51 ( http://nmap.org ) at 2017-02-07 22:31 IST

MAC Address: F0:1F:AF:6F:A0:95 (Dell)

Nmap done: 1 IP address (1 host up) scanned in 0.09 seconds

XEN

Starting Nmap 5.51 ( http://nmap.org ) at 2017-02-07 22:32 IST

Host is up (0.00033s latency).

MAC Address: 00:16:3E:59:3A:CA (Xensource)

VirtaulBox

Starting Nmap 5.51 ( http://nmap.org ) at 2017-02-07 22:32 IST

Host is up (0.00047s latency).

MAC Address: 08:00:27:51:56:C7 (Cadmus Computer Systems)

Vmware

Starting Nmap 5.51 ( http://nmap.org ) at 2017-02-07 22:33 IST

Host is up (0.00034s latency).

MAC Address: 00:0C:29:A9:98:17 (VMware)