more fixes

call_get_db.sh

 for machine in $(aws ec2 describe-instances --region us-east-2 --instance-ids --query Reservations[].Instances[].PublicIpAddress --filters "Name=tag:Name,Values=high-spec" --output=text); do
     echo "Invoking graph DB setup in $machine - STARTED"
-    ssh -i "pdbe-kp.pem" ec2-user@$machine "nohup ./usr/local/bin/get_db.sh > nohup.out 2>&1 &"
+    ssh -i "$HOME/pdbe-kp.pem" ec2-user@$machine "nohup ./get_db.sh > nohup.out 2>&1 &"
     echo "Invoking graph DB setup in $machine - ENDED"
 done
 

highspec/startup.sh

 #!/bin/bash
 
+# update yum
+yum update -y
+
+# install dependencies
+wget $PBZIP_BASE_URL/$PBZIP_PACKAGE
+yum install $PBZIP_PACKAGE -y
+rm $PBZIP_PACKAGE
+
 # get the SSD device name
 device=$(lsblk | grep nvme0n1 | cut -d' ' -f1)