Permalinks on Wordpress EC2

Question

I have just transferred my blog from my local webserver to Amazon EC2 Free Linux server, Everything seems to be working now except for permalinks, I disabled and re-enabled them

Answer 1

AllowOverride controls what directives may be placed in .htaccess files. It can be "All", "None", or any combination of the keywords: Options FileInfo AuthConfig Limit

AllowOverride All

when i set this on my server, then i got 503 internal server error, any advi please?