Listning to a particular port in Linux

Command : tcpdump -iport

Example :  tcpdump -i eth0 port 8080

Reference : http://www.thegeekstuff.com/2010/08/tcpdump-command-examples/

How To Get The Current Epoch Time (Unix Timestamp)

long epoch = System.currentTimeMillis()/1000;

 

Reference:http://shafiqissani.wordpress.com/2010/09/30/how-to-get-the-current-epoch-time-unix-timestamp/