HOSTNAME(5)                        hostname                        HOSTNAME(5)

       hostname - Local hostname configuration file


       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-

systemd 245                                                        HOSTNAME(5)
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