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#! /bin/sh
### BEGIN INIT INFO
# Provides: hostname
# Required-Start:
# Required-Stop:
# Should-Start: glibc
# Default-Start: S
# Default-Stop:
# Short-Description: Set hostname based on /etc/hostname
# Description: Read the machines hostname from /etc/hostname, and
# update the kernel value with this value. If
# /etc/hostname is empty, the current kernel value
# for hostname is used. If the kernel value is
# empty, the value 'localhost' is used.
### END INIT INFO
PATH=/sbin:/bin
. /lib/init/vars.sh
. /lib/lsb/init-functions
do_start () {
[ -f /etc/hostname ] && HOSTNAME="$(cat /etc/hostname)"
# Keep current name if /etc/hostname is missing.
[ -z "$HOSTNAME" ] && HOSTNAME="$(hostname)"
# And set it to 'localhost' if no setting was found
[ -z "$HOSTNAME" ] && HOSTNAME=localhost
[ "$VERBOSE" != no ] && log_action_begin_msg "Setting hostname to '$HOSTNAME'"
hostname "$HOSTNAME"
ES=$?
[ "$VERBOSE" != no ] && log_action_end_msg $ES
exit $ES
}
do_status () {
HOSTNAME=$(hostname)
if [ "$HOSTNAME" ] ; then
return 0
else
return 4
fi
}
case "$1" in
start|"")
do_start
;;
restart|reload|force-reload)
echo "Error: argument '$1' not supported" >&2
exit 3
;;
stop)
# No-op
;;
status)
do_status
exit $?
;;
*)
echo "Usage: hostname.sh [start|stop]" >&2
exit 3
;;
esac
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