How do I interact with the console during boot time on Amazon EC2?

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http://serverfault.com – I have an instance which is stuck at this boot prompt (looking at the instance log from the management console): The disk drive for /mydisk is not ready yet or not present Continue to wait; or Press S to skip mounting or M for manual recovery I added an EBS volume, mounted it, then deleted the EBS volume and forgot to remove the entry from /etc/fstab and rebooted the machine. Now it prompts me that at boot time, and I am unable to SSH into the instance. What should I do to resolve this issue? (HowTos)