Yes, I used the 'root' user...

But I got the same error messages with the 'ec2-uer'...
$ ssh -i key_file ec2-user@instance -v

2011/10/23 Eric V. Smith <>
On 10/23/2011 11:08 AM, Binbin.Wang wrote:
> Hi Cloud List,
> I got the EC2 Fedora AMI info from the following page,
> And I tried the Fedora-14-64bit AMI, ami-487c021a
> However, I failed to ssh to the instance with key. I got the following
> error messages,
> Permission denied (publickey,gssapi-keyex,gssapi-with-mic).

Are you using root? Try ec2-user instead.