sudo netstat -anltp
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program name
tcp        0      0 0.0.0.0:111             0.0.0.0:*               LISTEN      385/rpcbind
tcp        0      0 0.0.0.0:59795           0.0.0.0:*               LISTEN      394/rpc.statd
tcp        0      0 127.0.0.1:25            0.0.0.0:*               LISTEN      685/exim4
tcp        0      0 0.0.0.0:1945            0.0.0.0:*               LISTEN      410/sshd
tcp        0     64 192.168.0.111:1945      192.168.0.80:50322      ESTABLISHED 885/sshd: developer