While launching instance I disabled AUTO PUBLIC IP ASSIGN, after launched the instance how to enable that auto public IP for that instance(we can associate elastic IP for that instance and able login instead of this option how to get public IP for that instance)?

Question

Muntaz(Roger) Kaleem · Accepted Answer

Workaround Solutions Stop and Restart in a Different Subnet: If you have another subnet in your VPC that is configured to auto-assign public IP addresses, you can stop your instance and change its subnet. When you start the instance again in the new subnet that has auto-assign public IP enabled, it will get a public IP. To change the subnet of an EC2 instance, you will need to: Stop the instance. Detach its root volume. Attach the volume to a new instance in a subnet that assigns public IPs automatically. Start the new instance. Re-launch the Instance: Another straightforward approach is to simply launch a new instance and make sure to enable "Auto-assign Public IP" or launch it in a subnet that has this feature enabled by default. This can be easier than moving instances between subnets but requires setting up the new instance to match the old one.

While launching instance I disabled AUTO PUBLIC IP ASSIGN, after launched the instance how to enable that auto public IP for that instance(we can associate elastic IP for that instance and able login instead of this option how to get public IP for that instance)?

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