Related: EC2, EC2 Bootstraping
Metadata is a service with EC2 provides for instances.
Any instance can access this service with (curl)
http://169.254.169.254/latest/meta-data/
Contains env information:
- Networking
- Authentication
- User-Data
And you can use ec2-metadata tool
wget [http://s3.amazonaws.com/ec2metadata/ec2-metadata](http://s3.amazonaws.com/ec2metadata/ec2-metadata)
chmod u+x ec2-metadata/Attachments/Pasted-image-20230121234033.png)