Problems with Ubuntu image

[Jacob Savage]

On Thu, 8 Dec 2011 05:48:00 -0800 (PST)
Felipe Martins <felipesmmelo at yahoo.com.br> wrote:

> However, we started to face intermittent
>  access problems with this image when trying to log into the running
>  instance. Some times we could log into the instance, other times,
> not, as it presented the error "Permission denied (publickey).". We
> changed the public key permissions and locations but the problem
> persisted.

i don't understand... did you copy the public key from your local
machine to the server or intending to log in with password
authentication? what edits if any have you made to /etc/ssh/sshd_config
on the server?

~js