help! hacking own system

Hi,

I have a big problem: I crashed my sshd and no keyboard on the server seems to work. I do not want to just restart the machine because there are many opened processes.

I have no chance to get access to my system.

But I have running apache and php without safe-mode and an FTP server to which I can copy a PHP file and execute it.

I do hope that www-data is somehow allowed to do a 'su'-call, if not, are there ANY chances to "break" into my own system to start the ssh server again?

I have tried now a long time to start a bash listening on port 8888 but it simply does not work.

system("screen -d -m 'bash server.sh'");

server.sh: #!-bin-bash export port port=8888

# wait for further connections (veiling params) $1 && exit; # first invocation exit here

# received good pbuttword. present a shell bash --noediting -i

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But it does not work. When I press ENTER, the connection closes.

How can I create a very simple shell listening on some port where I can get access with telnet and HOPEFULLY able to do a su?

Thanks very much for your help!

Peter