/etc/init.d/reniced is in reniced 1.21-1.
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  | #! /bin/sh
### BEGIN INIT INFO
# Provides:          reniced
# Required-Start:    $all
# Required-Stop:     $remote_fs
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: renices running processes
# Description:       reniced takes a list of regular expressions,
#                    looks for processes matching them
#                    and renices the processes to given values.
### END INIT INFO
PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
PROG=/usr/bin/reniced
NAME=reniced
DESC=reniced
test -x $PROG || exit 0
. /lib/lsb/init-functions
set -e
case "$1" in
  start)
	echo -n "Starting $DESC: "
	$PROG
	echo "$NAME."
	;;
  stop)
	echo -n "Stopping $DESC: "
	echo -n "(not supported, no effect) "
	echo "$NAME."
	;;
  status)
	echo -n "No status information for $DESC."
	;;
  restart|force-reload)
	echo -n "Restarting $DESC: "
	$PROG
	echo "$NAME."
	;;
  *)
	N=/etc/init.d/$NAME
	echo "Usage: $N {start|stop|restart|force-reload}" >&2
	exit 1
	;;
esac
exit 0
 |