Swiss Army Knife of networking netcat is a versatile tool that is able to read and write data across TCP and UDP network . Combined with other tools and redirection it can be used in number of ways in your scripts. You will be surprised to see what you can accomplish with Linux netcat command.
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This tutorial is a three part series as an introduction to Bash Shell Scripting. Part I is mainly basics of shell scripting and is generic, Part II will gradually move towards some more advanced techniques and focus mostly on the bash shell and finally in Part III we will try to use all the techniques to create working program.
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Trying to run a program but facing weird errors? Well, most of the Linux users might have faced this situation. Many of us either spend hours searching on internet about the problem or wait for days on forums to get a reply. Sometimes we even give up and un-install the program. Very few of us know that there exists a Linux command line utility that can well be a good starting point for debugging these kind of problems. I am talking about the Linux strace command.
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