NAME | SYNOPSIS | DESCRIPTION | HISTORY | SEE ALSO | COLOPHON |
HOSTNAME(5) hostname HOSTNAME(5)
hostname - Local hostname configuration file
/etc/hostname
The /etc/hostname file configures the name of the local system that is set during boot using the sethostname(2) system call. It should contain a single newline-terminated hostname string. Comments (lines starting with a `#') are ignored. The hostname may be a free-form string up to 64 characters in length; however, it is recommended that it consists only of 7-bit ASCII lower-case characters and no spaces or dots, and limits itself to the format allowed for DNS domain name labels, even though this is not a strict requirement. You may use hostnamectl(1) to change the value of this file during runtime from the command line. Use systemd-firstboot(1) to initialize it on mounted (but not booted) system images.
The simple configuration file format of /etc/hostname originates from Debian GNU/Linux.
systemd(1), sethostname(2), hostname(1), hostname(7), machine-id(5), machine-info(5), hostnamectl(1), systemd-hostnamed.service(8), systemd-firstboot(1)
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systemd 234 HOSTNAME(5)
Pages that refer to this page: hostnamectl(1), systemd-firstboot(1), machine-id(5), machine-info(5), os-release(5), systemd.directives(7), systemd.index(7), systemd-hostnamed.service(8)