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. 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.

       Depending on the operating system, other configuration files might be checked for
       configuration of the hostname as well, however only as fallback.

       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 219                                                                           HOSTNAME(5)

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