On my Linode sudo netstat -tulp gives me:
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0 *:ssh *:* LISTEN 2030/sshd
tcp 0 0 *:http *:* LISTEN 2178/httpd
tcp 0 0 *:ssh *:* LISTEN 2030/sshd
udp 0 0 *:bootpc *:* 1937/dhclient
Why is sshd on there twice?