/etc/vz/dists/scripts/gentoo-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 | #!/bin/bash
# Copyright (C) 2000-2009, Parallels, Inc. 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
#
#
# This script sets hostname inside Gentoo based CT with
# baselayout-1/openrc used as services/stratup/shutdown system.
# Return true if we have old baselayout-1.x based CT and false if not.
# Note: /etc/gentoo-release has nothing to do with init system
function is_baselayout1()
{
[ -f /sbin/functions.sh ]
}
function set_hostname()
{
local cfgfile=$1
local hostname=$2
[ -z "${hostname}" ] && return 0
hostname=${hostname%%.*}
if ! is_baselayout1 ; then
if grep -qe "^HOSTNAME=" ${cfgfile} >/dev/null 2>&1; then
del_param ${cfgfile} "HOSTNAME"
fi
put_param "${cfgfile}" "hostname" "${hostname}"
else
if grep -qe "^hostname=" ${cfgfile} >/dev/null 2>&1; then
del_param ${cfgfile} "hostname"
fi
put_param "${cfgfile}" "HOSTNAME" "${hostname}"
fi
hostname ${hostname}
}
change_hostname /etc/hosts "${HOSTNM}" "${IP_ADDR}"
set_hostname /etc/conf.d/hostname "${HOSTNM}"
exit 0
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