Grep and filter Ip Address in Linux

Searching ip adress in a text file or a console output may become cumbersome. This little command named grep will help you in this way.

How To Shuffle/Randomize Array in PHP

There are different ways to randomly select elements of an array in PHP. But reoccuring elements are biggest problem most of them. Here the clean...

How To Setup SSH Keys

Ssh is a protocol designed to make network connections between hosts secure. Ssh is defacto standard for Linux and related operating system. Ssh encrypts the...