1HOSTNAME(5)                        hostname                        HOSTNAME(5)
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NAME

6       hostname - Local hostname configuration file
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SYNOPSIS

9       /etc/hostname
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DESCRIPTION

12       The /etc/hostname file configures the name of the local system that is
13       set during boot using the sethostname(2) system call. It should contain
14       a single newline-terminated hostname string. Comments (lines starting
15       with a `#') are ignored. The hostname may be a free-form string up to
16       64 characters in length; however, it is recommended that it consists
17       only of 7-bit ASCII lower-case characters and no spaces or dots, and
18       limits itself to the format allowed for DNS domain name labels, even
19       though this is not a strict requirement.
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21       You may use hostnamectl(1) to change the value of this file during
22       runtime from the command line. Use systemd-firstboot(1) to initialize
23       it on mounted (but not booted) system images.
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HISTORY

26       The simple configuration file format of /etc/hostname originates from
27       Debian GNU/Linux.
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SEE ALSO

30       systemd(1), sethostname(2), hostname(1), hostname(7), machine-id(5),
31       machine-info(5), hostnamectl(1), systemd-hostnamed.service(8), systemd-
32       firstboot(1)
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36systemd 243                                                        HOSTNAME(5)
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