Change key pair for ec2 instance

Question

How do I change the key pair for my ec2 instance in AWS management console? I can stop the instance, I can create new key pair, but I don't see any link to modify the instance's key pair. Select the correct answer from above options

Answer 1

You can follow the below-mentioned steps to change the key pair for your EC2 instance. Note: The following procedure is valid for EBS backed instances only. step 1: Stop your EC2 instance Step 2: Unmount and detach the EBS volume from your instance Step 3: Attach this EBS volume to another newly instance with new key pair. Step 4: Modify the authorised key file as shown below: copy ~/.ssh/authorized_keys to /mnt/tmp/home/ubuntu/.ssh/authorized_keys Step 5: Detach this volume and attache it back to the original instance Step 6: Restart the original instance Step 7: Connect and login to your original instance using the new key pair.