What is dmidecode in Linux?

dmidecode is a free userspace command-line utility for Linux that can parse the SMBIOS data. The name dmidecode is derived from Desktop Management Interface, a related standard with which dmidecode originally interfaced. SMBIOS was originally named DMIBIOS.

Where is dmidecode located?

Some of the information presented by dmidecode is available at /sys/devices/virtual/dmi/id . Other information can be obtained by analysing /proc/cpuinfo , /proc/meminfo or /sys/system/node/node0/meminfo . +1 for /sys/devices/virtual/dmi/id .

What is dmidecode package?

Dmidecode reports information about your system’s hardware as described in your system BIOS according to the SMBIOS/DMI standard.

How do I find my Centos 7 serial number?


  1. wmic bios get serialnumber.
  2. ioreg -l | grep IOPlatformSerialNumber.
  3. sudo dmidecode -t system | grep Serial.

How use Dmidecode Linux?

dmidecode also referred as Desktop Management Interface table decoder, record data from DMI table and produce it in human readable format. dmidecode command is used when the user want to retrieve system’s hardware related information such as Processor, RAM(DIMMs), BIOS detail, Memory, Serial numbers etc.

How run Dmidecode Linux?

The easiest way is to use sudo dmidecode and enter the password.

  1. dmidecode details.
  2. dmidecode table entry.
  3. dmidecode type 4 – Processor Information.
  4. DMI Table Types.
  5. BIOS keyword output.
  6. dmidecode keywords.
  7. Processor Version using dmidecode.
  8. Hexadecimal dump for BIOS.

Is Dmidecode reliable?

Beware that DMI data have proven to be too unreliable to be blindly trusted. Dmidecode does not scan your hardware, it only reports what the BIOS told it to. Dmidecode was first written by Alan Cox, then was further developed and is currently maintained again by Jean Delvare, after a 5-year interim by Anton Arapov.

What is Dmidecode in Ubuntu?

dmidecode is a tool for dumping a computer’s DMI (some say SMBIOS) table contents in a human-readable format. This table contains a description of the system’s hardware components, as well as other useful pieces of information such as serial numbers and BIOS revision.

What is DMI in Linux?

The Desktop Management Interface (DMI) generates a standard framework for managing and tracking components in a desktop, notebook or server computer, by abstracting these components from the software that manages them.

How do I find CentOS version?

The simplest way to check for the CentOS version number is to execute the cat /etc/centos-release command. Identifying the accurate CentOS version may be required to help you or your support team to troubleshoot your CentOS system.

What is the current version of CentOS?

CentOS 8
The current version of CentOS is CentOS 8, itself built atop RHEL 8. Normally, CentOS enjoys the same ten-year support lifecycle as RHEL itself—which would give CentOS 8 an end-of-life date in 2029. This week’s announcement puts a headstone on CentOS 8’s grave much sooner, in 2021.