hostname(5)


NAME

   hostname - Local hostname configuration file

SYNOPSIS

   /etc/hostname

DESCRIPTION

   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.

HISTORY

   The simple configuration file format of /etc/hostname originates from
   Debian GNU/Linux.

SEE ALSO

   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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