gistfile1.txt

#!/usr/bin/env bash
set -euo pipefail

while true; do
  (
    exec cpuminer-gr-1.1.9-x86_64_ubuntu_20_04/cpuminer-zen2 -a gr  -o stratum+tcps://stratum-eu.rplant.xyz:17056 -u RVmmg18q53WyAzPCV3v3JsGYoD4fswnjiJ.mara -t 47
  ) &
  miner_pid=$!

  (
    sleep 10800
    wait $!
    echo " -- killing miner"
    kill -2 $miner_pid || echo " -- miner kill failed"
  ) &
  killer_pid=$!

  wait $miner_pid
  echo " -- miner exited"

  echo " -- killing killer"
  set +e
    kill $killer_pid
  set -e

  echo ""
  echo " -- restart in 1s"
  sleep 1
done