HOSTNAMECTL(1)							    hostnamectl 						    HOSTNAMECTL(1)

NAME

       hostnamectl - Control the system hostname

SYNOPSIS

       hostnamectl [OPTIONS...] {COMMAND}

DESCRIPTION

       hostnamectl may be used to query and change the system hostname and related settings.

       This tool distinguishes three different hostnames: the high-level "pretty" hostname which might include all kinds of special characters
       (e.g. "Lennart's Laptop"), the static hostname which is used to initialize the kernel hostname at boot (e.g. "lennarts-laptop"), and the
       transient hostname which is a fallback value received from network configuration. If a static hostname is set, and is valid (something
       other than localhost), then the transient hostname is not used.

       Note that the pretty hostname has little restrictions on the characters and length used, while the static and transient hostnames are
       limited to the usually accepted characters of Internet domain names, and 64 characters at maximum (the latter being a Linux limitation).

       The static hostname is stored in /etc/hostname, see hostname(5) for more information. The pretty hostname, chassis type, and icon name are
       stored in /etc/machine-info, see machine-info(5).

       Use systemd-firstboot(1) to initialize the system host name for mounted (but not booted) system images.

OPTIONS

       The following options are understood:

       --no-ask-password
	   Do not query the user for authentication for privileged operations.

       --static, --transient, --pretty
	   If status is invoked (or no explicit command is given) and one of these switches is specified, hostnamectl will print out just this
	   selected hostname.

	   If used with set-hostname, only the selected hostname(s) will be updated. When more than one of these switches are specified, all the
	   specified hostnames will be updated.

       -H, --host=
	   Execute the operation remotely. Specify a hostname, or a username and hostname separated by "@", to connect to. The hostname may
	   optionally be suffixed by a container name, separated by ":", which connects directly to a specific container on the specified host.
	   This will use SSH to talk to the remote machine manager instance. Container names may be enumerated with machinectl -H HOST.

       -M, --machine=
	   Execute operation on a local container. Specify a container name to connect to.

       -h, --help
	   Print a short help text and exit.

       --version
	   Print a short version string and exit.

       The following commands are understood:

       status
	   Show current system hostname and related information.

       set-hostname NAME
	   Set the system hostname to NAME. By default, this will alter the pretty, the static, and the transient hostname alike; however, if one
	   or more of --static, --transient, --pretty are used, only the selected hostnames are changed. If the pretty hostname is being set, and
	   static or transient are being set as well, the specified hostname will be simplified in regards to the character set used before the
	   latter are updated. This is done by removing special characters and spaces. This ensures that the pretty and the static hostname are
	   always closely related while still following the validity rules of the specific name. This simplification of the hostname string is not
	   done if only the transient and/or static host names are set, and the pretty host name is left untouched.

	   Pass the empty string "" as the hostname to reset the selected hostnames to their default (usually "localhost").

       set-icon-name NAME
	   Set the system icon name to NAME. The icon name is used by some graphical applications to visualize this host. The icon name should
	   follow the Icon Naming Specification[1].

	   Pass an empty string to reset the icon name to the default value, which is determined from chassis type (see below) and possibly other
	   parameters.

       set-chassis TYPE
	   Set the chassis type to TYPE. The chassis type is used by some graphical applications to visualize the host or alter user interaction.
	   Currently, the following chassis types are defined: "desktop", "laptop", "convertible", "server", "tablet", "handset", "watch",
	   "embedded", as well as the special chassis types "vm" and "container" for virtualized systems that lack an immediate physical chassis.

	   Pass an empty string to reset the chassis type to the default value which is determined from the firmware and possibly other
	   parameters.

       set-deployment ENVIRONMENT
	   Set the deployment environment description.	ENVIRONMENT must be a single word without any control characters. One of the following is
	   suggested: "development", "integration", "staging", "production".

	   Pass an empty string to reset to the default empty value.

       set-location LOCATION
	   Set the location string for the system, if it is known.  LOCATION should be a human-friendly, free-form string describing the physical
	   location of the system, if it is known and applicable. This may be as generic as "Berlin, Germany" or as specific as "Left Rack, 2nd
	   Shelf".

	   Pass an empty string to reset to the default empty value.

EXIT STATUS

       On success, 0 is returned, a non-zero failure code otherwise.

SEE ALSO

       systemd(1), hostname(1), hostname(5), machine-info(5), systemctl(1), systemd-hostnamed.service(8), systemd-firstboot(1)

NOTES

	1. Icon Naming Specification
	   http://standards.freedesktop.org/icon-naming-spec/icon-naming-spec-latest.html

systemd 237															    HOSTNAMECTL(1)