nginx error: (99: Cannot assign requested address)

Question

I am running Ubuntu Hardy 8.04 and nginx 0.7.65, and when I try starting my nginx server:

$ sudo /etc/init.d/nginx start

I get the followin

Answer 1

For Amazon EC2 and elastic IPs, sysctl.conf will not work as nginx still not listen on eth0.

So, you need to listen *;

Answer 2

There might be remaining process/program that's using/listening at port 80.

You can check that using netstat -lp. Kill that process and start nginx.