setup_block()	{
	useradd -u 1025 -c 'sshd server' sshd || true
	echo "creating ssh host keys ..."
	/usr/bin/ssh-keygen -t dsa -b 1024 \
		-f /etc/ssh/ssh_host_dsa_key -N ""
	/usr/bin/ssh-keygen -t rsa -b 1024 \
		-f /etc/ssh/ssh_host_rsa_key -N ""
	echo "done. "
		}

uninstall_block()	{
	userdel sshd || true
			}