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#!/bin/bash
while true; do
entropy=$(cat /proc/sys/kernel/random/entropy_avail)
echo -n "ENTROPY $(date -Ins) $entropy"
sleepms=$(echo "$(( $entropy < 100 ? 100 : $entropy )) / 10" | bc -l)
echo -e " sleeping $sleepms ms"
sleep $(echo "$sleepms / 1000" | bc -l)
echo -n "is-system-running: "
if systemctl is-system-running; then
echo "REPORT ENTROPY systemd boot finished, quit."
exit
fi
done
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