randomStress.sh

#!/bin/bash
echo "Start random stress"
while true; do

  RANYES=$[ ( $RANDOM % 4 ) + 1 ]
  RANSTR=$[ ( $RANDOM % 300 ) + 1 ]s
  RANSLEEP=$[ ( $RANDOM % 3000 ) + 1 ]s

  echo "Start $RANYES proccess for $RANSTR seconds"
  c=1
  while [[ $c -le $RANYES ]]; do
    timeout $RANSTR yes > /dev/null &
    let c=c+1
  done
  wait
  echo "Sleep for $RANSLEEP"
  sleep $RANSLEEP
done