systemd systemd-hostnamed.service 8 systemd-hostnamed.service systemd-hostnamed Host name bus mechanism systemd-hostnamed.service /usr/lib/systemd/systemd-hostnamed systemd-hostnamed is a system service that may be used as a mechanism to change the system's hostname. systemd-hostnamed is automatically activated on request and terminates itself when it is unused. The tool hostnamectl1 is a command line client to this service. See the developer documentation for information about the APIs systemd-hostnamed provides. systemd1, hostname5, machine-info5, hostnamectl1, sethostname2