forked from freifunk-franken/firmware
random.sh: random timing for netmon communication
Signed-off-by: Tim Niemeyer <tim.niemeyer@mastersword.de> Reviewed-by: Steffen Pankratz <kratz00@gmx.de>
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*/5 * * * * sh /etc/fastdstart.sh; sh /etc/nodewatcher.sh; sh /etc/configurator.sh; /etc/syncHostname.sh
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*/5 * * * * sleep $(/etc/random.sh 0 29); sh /etc/fastdstart.sh; sh /etc/nodewatcher.sh; sleep $(/etc/random 0 209); sh /etc/configurator.sh
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0/30 * * * * sleep $(/etc/random.sh 0 1790); /etc/syncHostname.sh
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*/1 * * * * /usr/sbin/batctl gw off; sleep 1; /usr/sbin/batctl gw client
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#!/bin/sh
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# Freifunk Franken Random Number Script
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# Tim Niemeyer
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# 29.11.2015
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# License GPLv2
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FROM=${1:-0}
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UNTIL=${2:-100}
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diff=$(( UNTIL - FROM ))
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numbers=$(( $(echo $diff | wc -c) -1 ))
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rand=$(</dev/urandom tr -dc 0-9 | head -c $numbers | sed -e 's/^0*//g')
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echo $(( (rand % diff) + FROM ))
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