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#!/bin/sh
# Start/stop/restart haveged.
PIDFILE="/var/run/haveged.pid"
HAVEGED_OPTS="-w 1024 -v 1 -p $PIDFILE"
# Start haveged:
haveged_start() {
if [ -f $PIDFILE ]; then
echo "haveged is already running as PID $(cat $PIDFILE) " >&2
exit 3
elif [ -x /sbin/haveged ]; then
echo "Starting haveged entropy daemon: /sbin/haveged"
/sbin/haveged $HAVEGED_OPTS 2> /dev/null
fi
}
# Stop haveged:
haveged_stop() {
if [ -r $PIDFILE ]; then
echo "Stopping haveged."
kill $(cat $PIDFILE)
fi
}
# Restart haveged:
haveged_restart() {
haveged_stop
sleep 1
haveged_start
}
case "$1" in
'start')
haveged_start
;;
'stop')
haveged_stop
;;
'restart')
haveged_restart
;;
*)
echo "usage $0 start|stop|restart"
exit 2
esac
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