After some days of coding, I could write my simple Java chat server and client! It’s still amazing when you write a simple but strong network program. The way you feel the communication and see the bits on wire makes me always stand in awe. Anyway, you can find the program in here. Basically you should run the server program first, I’d suggest you go for the graphical version. It’s a multi thread program, allowing you to...

We all use FreePBX, a graphical interface on Asterisk to manage our extensions, define trunks and do everything we gotta do with our VoIP network. However, I was faced with yet another challenge recently and I found Custom Context, a 3rd party module to easily write context rules for your internal extensions, very useful. The Challenge Our call center unit has lots of personnel, and as the nature of the job dictates, they find themselves in...

People have different approaches to swearing. Sometimes you can say the nastiest words [YOU can say, not me!] and you hear a general loud acceptance! People finding you very naughty and ladies get giggling. Say the same thing at the wrong place, you might get your ar$e kicked! But it’s a different thing when it comes to swearing at work place. Doing it in front of the customers, duh, certainly not. Swearing can either show...

Lots of us use SSH (OpenSSH if I wana be exact) on a daily basis, but not all of us go through all the intricacies of this great tool unless we really need a fancy feature that we think only some high tech gizmo can answer. But then after some search or hopefully being in touch with those who already experience it, understand that our old commands that we thought we know completely are the remedy to our headaches! Imagine you have two...

There’s is always a plus working with a good experienced team. Years of solo playing, everyday I kind of feel a breeze being with my new fellow colleagues. Today as I entered the office, Sasan asked me to fire up my Wireshark and check who’s flooding [broadcasting into] the network. He told me by merely looking at the network printer light, he could see that it should be something broadcasting all around, coz the light was...