There are several differences between the AWS Marketplace Amazon Machine Image (AMI) 20 and the AMI for the previous version.
Below are the changes:
- Operating System. Change in the operating system from Amazon Linux to Amazon Linux 2.
- Hardening. Refer to the partial of the rules on Center for Internet Security (CIS) Amazon Linux 2 Benchmark v1.0.0 to do the hardening process.
- Device Name and Size. Default mounted device name is changed from '/dev/sdf' to '/dev/sdb' and the size is increased from 128 G to 200 G.