Connecting remotely to f18 in single user mode

[Bruno Wolff III]

On Wed, Jan 02, 2013 at 01:29:59 +0100,
   Gianluca Cecchi <gianluca.cecchi at gmail.com> wrote:
>Hello,
>Sometimes when doing various types of maintenance for a server,I work this
>way in rhel based systems and fedora pre-18:
>- boot in single user mode
>- service network start
>- service sshd start
>- connect via ssh from another system
>
>With current f18 I get a message regarding the system booting up and the
>login is rejected....
>What are the other necessary commands to run to be able to connect via ssh
>and minimal number of services started in f18?
>Thanks,
>Gianluca

Are you logging in as root when this happens?