Network-commands/hostname

You might also see: host and /etc/hosts file

Description

Hostname command is used to view or define a host name and domain.

Usage

hostname  [-d] [--domain] [-F filename] [--file filename]
          [-f] [--fqdn] [-h] [--help] [--long] [-s] [--short] [-v] [--version]
          [name] dnsdomainname

Options

-a, --alias

Display the alias name of the host (if used).

-d, --domain

Display NIS domain name.

-F, --file filename

Reads host name from provided file (lines beginning with # are considered as comments).

-f, --fqdn, --long

Display Full Qualified Domain Name (FQDN). A FQDN is composed of short hostname and a DNS domain name. Excepted if bind or NIS is used for host lookup, you can change FQDN and DNS domain name (included in FQDN) in /etc/hosts file.

-h, --help

Display help and exit.

-i, --ip-address

Display the IP address(es) of the host.

-s, --short

Display short host name.

-v, --version

Display version information and exit.

Example

$ hostname
aldlin1

$ hostname --fqdn
aldlin1.aldeid.com