getdomainname - Linux

Overview

The getdomainname command retrieves the current system’s domain name, which identifies the domain to which the host belongs. It is commonly used in scripts and system administration tasks to obtain the network configuration information of a Linux system.

Syntax

getdomainname

Options/Flags

This command does not have any options or flags.

Examples

Simple Usage:

Retrieve the current domain name:

getdomainname

Common Issues

• Empty Output: If the system does not have a domain name configured, the command will output nothing.

Integration

getdomainname can be combined with other commands for more complex tasks:

• Hostname and Domain Name: Echo the hostname and domain name together:

echo "$(hostname -s).$(getdomainname)"

• Whois Lookup: Look up the domain’s WHOIS information:

whois $(getdomainname)

Related Commands

• hostname: Get the hostname of the system.
• domainname: Set the domain name for the system.
• resolvconf: Configure DNS settings.