Create compute helper scripts for start, stop, delete

compute_delete

+#!/bin/bash
+
+# Destroy the compute node for ohpc
+
+VBoxManage unregistervm --delete "$1"

compute_start

+#!/bin/bash
+
+# start the compute node for ohpc
+
+VBoxManage startvm "$1"

compute_stop

+#!/bin/bash
+
+# Stop the compute node for ohpc
+
+VBoxManage controlvm "$1" poweroff