How to use the command hostid (with examples)

The hostid command is used to print the numeric identifier for the current host in hexadecimal format. It provides a unique identification number for the host, which is often used by system administrators for various purposes.

Use case 1: Display the numeric identifier for the current host in hexadecimal

Code:

hostid

Motivation: The motivation for using this example is to retrieve the unique identifier for the current host in a hexadecimal format. This can be useful for identifying and distinguishing between different hosts in a network or system.

Explanation: The hostid command does not require any arguments or options. By simply typing “hostid” in the terminal and executing it, the command will print the numeric identifier for the current host in hexadecimal format.

Example output:

6aeb6b68

Conclusion: The hostid command is a simple and useful tool for obtaining the numeric identifier of the current host. It can be used to uniquely identify a particular host in a network or system.