netstat -ntpl
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address               Foreign Address             State       PID/Program name   
tcp        0      0 0.0.0.0:3306                0.0.0.0:*                   LISTEN      16121/mysqld        
tcp        0      0 0.0.0.0:111                 0.0.0.0:*                   LISTEN      1810/rpcbind        
tcp        0      0 192.168.2.151:53            0.0.0.0:*                   LISTEN      2460/named          
tcp        0      0 127.0.0.1:53                0.0.0.0:*                   LISTEN      2460/named          
tcp        0      0 127.0.0.1:631               0.0.0.0:*                   LISTEN      2331/cupsd          
tcp        0      0 127.0.0.1:953               0.0.0.0:*                   LISTEN      2460/named          
tcp        0      0 127.0.0.1:25                0.0.0.0:*                   LISTEN      2144/sendmail: acce 
tcp        0      0 :::22                       :::*                        LISTEN      2123/sshd