How to create AWS instance profile via command line?

1)Create instance profile

aws iam create-instance-profile

2)Attach role to instance profile

aws iam add-role-to-instance-profile

# Create the role and attach the trust policy that enables EC2 to assume this role.
aws iam create-role --role-name Test-Role-for-EC2 --assume-role-policy-document file://C:\policies\trustpolicyforec2.json

# Embed the permissions policy (in this example an inline policy) to the role to specify what it is allowed to do.
aws iam put-role-policy --role-name Test-Role-for-EC2 --policy-name Permissions-Policy-For-Ec2 --policy-document file://c:\policies\permissionspolicyforec2.json

# Create the instance profile required by EC2 to contain the role
aws iam create-instance-profile --instance-profile-name EC2-ListBucket-S3

# Finally, add the role to the instance profile
aws iam add-role-to-instance-profile --instance-profile-name EC2-ListBucket-S3 --role-name Test-Role-for-EC2

Create role for AWS service via command line

1)Create role
aws iam create-role

2)attch policy to role

2.1)Attach managed poilicy to role
aws iam attach-role-plicy

or
2.2)Attach inline policy
aws iam put-role-plicy