How to apply IAM Role to EC2 instance?

Question

I launched a EC2 instance with no IAM Roles at the beginning. Now I want to add a IAM Role to the EC2 instance. So how can I do this?

Answer 1

Now you can associate with the new update AWS has come up.

https://aws.amazon.com/blogs/security/new-attach-an-aws-iam-role-to-an-existing-amazon-ec2-instance-by-using-the-aws-cli/?sc_channel=sm&sc_campaign=launch_Identity_and_Access_888972a0&sc_publisher=fb_ln&sc_content=Roles_for_Running_Instances_CLI_SDK&sc_geo=global&sc_outcome=launches&adbsc=social_launches_20170210_69995676&adbid=1211418348895528&adbpl=fb&adbpr=153063591397681

Answer 2

You can do this using the aws cli. There's a howto blog post available here.