Steven Kroon

In my next article i would like to get into at and batch. Instead of describing every available command line option and syntax there is, lets show some examples and nice ways to use both to schedule tasks from the command line.

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Resolving domain names can be very simple, besides what is so fascinating about looking up an ip address that belongs to a domain name? Well the domain naming system is a pretty complex piece of technology that you might take for granted. There are nice tools which are able to let you interact with this domain name system, one of them is dig, which is a acronym for domain information groper.

This tool can do more then just resolve domain names to ip addresses or visa versa. Lets look more closely into the world of domain name resolution and explorer the possibilites with dig. We will quickly run through the basics and at the end look at some nice features of dig.

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System Administrators are always looking for ways to make life easier. The command line is full of nice little features that can save you tons of time. Ever wondered how to remove all blank lines from a file or how to translate all uppercase characters to lowercase. In this article we will be focussing on how to easily parse input or output.

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Looking at file content is a trivial task, most people use more or less and take there usage for granted. However there are some nice features that these utilities have to offer. Let’s start looking at some of them.

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