/etc/vz/dists/scripts/arch-set_hostname.sh is in vzctl 4.9.4-5.
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 | #!/bin/bash
# Copyright (C) 2006-2007 SYSTS.ORG All rights reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
#
# Sets hostname in a container running Archlinux.
function set_host()
{
local cfgfile="$1"
local var=$2
local val=$3
local host=
[ -z "${val}" ] && return 0
if grep -q -E "[[:space:]]${val}" ${cfgfile} 2>/dev/null; then
return 0
fi
if echo "${val}" | grep "\." >/dev/null 2>&1; then
host=${val%%.*}
fi
host=" ${val} ${host}"
put_param2 "${cfgfile}" "${var}" "${host} localhost localhost.localdomain"
}
function set_hostname()
{
local cfgfile=$1
local hostname=$2
[ -z "${hostname}" ] && return 0
# update /etc/rc.conf
if [ -f ${cfgfile} ]; then
put_param ${cfgfile} HOSTNAME ${hostname}
fi
# update /etc/hostname
echo ${hostname} > /etc/hostname
hostname ${hostname}
}
set_host /etc/hosts "127.0.0.1" "${HOSTNM}"
set_hostname /etc/rc.conf "${HOSTNM}"
exit 0
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