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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)
This page is part of the systemd (systemd system and service manager)
project. Information about the project can be found at
⟨http://www.freedesktop.org/wiki/Software/systemd⟩. If you have a bug
report for this manual page, see
⟨http://www.freedesktop.org/wiki/Software/systemd/#bugreports⟩. This
page was obtained from the project's upstream Git repository
⟨https://github.com/systemd/systemd.git⟩ on 2020-08-13. (At that
time, the date of the most recent commit that was found in the repos‐
itory was 2020-08-11.) If you discover any rendering problems in
this HTML version of the page, or you believe there is a better or
more up-to-date source for the page, or you have corrections or
improvements to the information in this COLOPHON (which is not part
of the original manual page), send a mail to man-pages@man7.org
systemd 246 HOSTNAME(5)
Pages that refer to this page: hostnamectl(1) , systemd-firstboot(1) , systemd-firstboot.service(1) , machine-id(5) , machine-info(5) , os-release(5) , 30-systemd-environment-d-generator(7) , systemd.directives(7) , systemd.index(7) , systemd-hostnamed(8) , systemd-hostnamed.service(8)