This article describes sed, an excellent tool that I often use in shell scripts that I write. In the article I explain it’s most common features and also show some often overlooked features. You can find it here. Enjoy it!
As the name implies, this article explains how to crack up, modify and save modern initrd file, without using fancy tools such as mkinitrd and friends. You can find it here.
In this article I explain how to use tcpdump, one of the most powerful tools in my toolbox. Hope you’ll find it useful. You can find it here.
In this article I explain how to connect to a computer protected with NAT router using reverse SSH tunnel. I explain problems involved in the process and how to solve them. Enjoy the article here.
I think I reached some kind of milestone with this article. I planned this article as never ending work, but for now I think I covered most useful stuff and it is time to unleash the article and bring it to the world. I hope you will find it as useful as I do [...]