The Amazon Linux AMI is a supported and maintained Linux image provided by Amazon Web Services for use on Amazon Elastic Compute Cloud (Amazon EC2). It is designed to provide a stable, secure, and high performance execution environment for applications running on Amazon EC2. It also includes packages that enable easy integration with AWS, including launch configuration tools and many popular AWS libraries and tools. Amazon Web Services provides ongoing security and maintenance updates to all instances running the Amazon Linux AMI. The Amazon Linux AMI is provided at no additional charge to ... See more
In comparison to RHEL / CentOS, Amazon Linux is feature rich, rock solid, and secure. It's a basic clone so it's RPM based and supports all Yum features / commands. Only thing that will vary is your mirror / source repository. I love being able to have the function / security of RHEL with a bleeding edge kernel and packages. Currently using this for a PostgreSQL database and it's been perfect. Your mileage may vary...
Servicible Red Hat like build, packages may lack features
I tried this out as a micro instance attempting to stand up media wiki. Ended up dropping it because the yum repository's PHP package didn't include a MySQL driver that Mediawiki could use (CentOS works with the same packages I tried here). No other problems during its short test run, but I ended up pickign another distro to make managing PHP easier.