Services or capabilities described in Amazon Web Services documentation might vary by Region. To see the differences applicable to the China Regions, see Getting Started with Amazon Web Services in China (PDF).

Amazon Linux 2 10/31/2018 release notes

These are release notes for Amazon Linux 2.

Major updates

The OpenSSH daemon configuration file /etc/ssh/sshd_config has been updated. The AuthorizedKeysCommand value is configured to point to a customized script, /opt/aws/bin/curl_authorized_keys to support an upcoming feature to read SSH public keys; from the EC2 instance metadata during the SSH connection process.