To check the listening ports:
netstat -ntlp | grep LISTEN
To check the specific port. An example:
sudo netstat -ntlp | grep :22
http://lubuntuhowto.blogspot.fi/2015/05/how-to-scan-port-on-local-computer-lubuntu.html
To control starting services install sysv-rc-conf
sudo apt-get install sysv-rc-conf
To edit services
sudo sysv-rc-conf
http://unix.stackexchange.com/questions/74722/how-to-close-open-ports
To see all ports
sudo netstat -antplF