hostname(5) - phpMan

HOSTNAME(5)                                  hostname                                 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)

systemd 245                                                                           HOSTNAME(5)

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