Print out all ETL cron-jobs
sudo -u analytics crontab -l
Lookup specific cron-job
sudo -u analytics crontab -l | grep PoolingCalculator
Edit crontab
sudo -u analytics EDITOR=nano crontab -e
Restart Spark
sudo -u analytics /local/spark-2.3.1-bin-hadoop2.7/restartSpark.sh
Check overall health/load on the server
htop