/lib/live/debconfig/0020-hostname is in live-debconfig 4.0~alpha31-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 | #!/bin/sh
## live-debconfig(7) - System Configuration Components
## Copyright (C) 2006-2013 Daniel Baumann <mail@daniel-baumann.ch>
##
## This program comes with ABSOLUTELY NO WARRANTY; for details see COPYING.
## This is free software, and you are welcome to redistribute it
## under certain conditions; see COPYING for details.
set -e
DEBCONF_SYSTEMRC="/var/lib/live/debconfig/systemrc"
export DEBCONF_SYSTEMRC
. /usr/share/debconf/confmodule
Defaults ()
{
if [ -z "${_HOSTNAME}" ]
then
if [ -n "$(cat /etc/hostname 2> /dev/null)" ]
then
_HOSTNAME="$(cat /etc/hostname)"
elif [ -e /etc/os-release ]
then
. /etc/os-release
_HOSTNAME="${ID:-debian}"
elif [ -x /usr/bin/lsb_release ]
then
_HOSTNAME="$(lsb_release -is | tr [A-Z] [a-z])"
elif [ -e /etc/progress-linux_version ]
then
_HOSTNAME="progress-linux"
else
_HOSTNAME="debian"
fi
fi
}
db_get live-debconfig/hostname/hostname
_HOSTNAME="${RET}" # string (w/o empty)
Defaults
db_set live-debconfig/hostname/hostname "${_HOSTNAME}"
db_fset live-debconfig/hostname/hostname seen false
db_settitle live-debconfig/title
db_input high live-debconfig/hostname/hostname || true
db_go
db_get live-debconfig/hostname/hostname
_HOSTNAME="${RET}" # string (w/o empty)
Defaults
db_stop
# Set the hostname
echo "${_HOSTNAME}" > /etc/hostname.tmp
mv /etc/hostname.tmp /etc/hostname
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