/etc/init.d/dphys-swapfile is in dphys-swapfile 20100506-1.
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 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 | #!/bin/sh
# /etc/init.d/dphys-swapfile - automatically set up an swapfile
# author Neil Franklin, last modification 2006.09.15
# This script is copyright ETH Zuerich Physics Departement,
# use under either modified/non-advertising BSD or GPL license
# this init.d script is intended to be run from rcS.d
# must run after mount of /var which may only happen in S35mountall.sh
# for this reason we can not build swapfile until after S35mountall.sh
# so we also need to use init.d start|stop to swapon|off our file
# and sensibly before the lots of stuff which may happen in S40networking
# so we run it as rcS.d/S37dphys-config
### BEGIN INIT INFO
# Provides: dphys-swapfile
# Required-Start: $syslog $remote_fs
# Required-Stop: $syslog $remote_fs
# Should-Start: $local_fs
# Should-Stop: $local_fs
# Default-Start: 2 3 4 5
# Default-Stop:
# Short-Description: Autogenerate and use a swap file
# Description: This init.d script exists so one does not need to have a fixed size
# swap partition. Instead install without swap partition and then run
# this, with file size (re-)computed automatically to fit the current
# RAM size.
### END INIT INFO
. /lib/lsb/init-functions
# get ready to work
PATH=/sbin:/bin:/usr/sbin:/usr/bin
export PATH
# what we are
NAME=dphys-swapfile
case "$1" in
start)
/bin/echo "Starting ${NAME} swapfile setup ..."
# (re-)size/-generate (and also first time install)
# this will produce output, so no -n in above echo
/sbin/dphys-swapfile setup
# as S35mountall.sh has already run, do this from here
# as there can be no swapon in /etc/fstab
/sbin/dphys-swapfile swapon
/bin/echo "done."
;;
stop|default-stop)
/bin/echo -n "Stopping ${NAME} swapfile setup ..."
# as no swapon or swapoff in /etc/fstab, do this from here
/sbin/dphys-swapfile swapoff
/bin/echo ", done."
;;
restart|reload|force-reload|status)
/bin/echo "No daemon to (force-)re[start|load] or status check in ${NAME}"
;;
*)
/bin/echo "Usage: $0 {start|stop}"
exit 1
;;
esac
exit 0
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