≡ Menu

February 2010

Turbocharge Awk Scripts – Translate into C (Sudoku Revisted)

In the first article of this series we saw how awk could be put to work (or play) for more than just processing text. The simple script demonstrated the use of associative arrays, recursion and how we could use more arrays (more than required to represent the data) to speed up the processing. There were [...]

{ 3 comments }

Nagios XI Review (Free Nagios core Vs Nagios XI)

Thanks for visiting this article from the Nagios newsletter. We’ll be posting several Nagios XI tutorials in the upcoming weeks. Subscribe to our articles and don’t miss any future Nagios XI step-by-step tutorials. Nagios Price: Nagios Core is free and open source. Nagios XI is $1,295 (to monitor unlimited number of hosts). This is perpetual [...]

{ 7 comments }

How To Change Wallpaper in Fluxbox Window Manager

Question: How do I change the desktop background wallpaper in fluxbox window manager? Answer: We discussed fluxbox earlier in an introduction to the fluxbox window manager and how to shutdown the system from fluxbox window manager. In this article we’ll see how to change the wallpaper in fluxbox by using a bash script or by [...]

{ 2 comments }

This article is part of the on-going Awk Tutorial Examples series. In our earlier awk articles, we discussed about awk print, awk user-defined variables, and awk built-in variables. Like any other programming language Awk also has lot of operators for number and string operations. In this article let us discuss about all the key awk [...]

{ 2 comments }

Unix Less Command: 10 Tips for Effective Navigation

I personally prefer to use less command to view files (instead of opening the file to view in an editor). Less is similar to more command, but less allows both forward and backward movements. Moreover, less don’t require to load the whole file before viewing. Try opening a large log file in Vim editor and [...]

{ 33 comments }