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HOSTNAME(5) - phpMan

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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. 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 from the command line.

       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 215                                                                           HOSTNAME(5)

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