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Linux has some fundamental problems that will endure, because they come from the nature of the beast. These are freedom-loving developers, competing technologies, and poor standardization. These problems hinder technical progress and acceptance, but (amazingly) Linux has become a strong alternative to Windows in spite of this.
This is the rest of the letter that Dr. UN*X is sending to Adrian about his question onto how can people connect to his system using the two DSL lines connected to it, read on to see the rest of the letter.
In this article a simple usage of regular expressions is described. Its intention is to bring users to try the most powerful search and replace paradigm available and hopefully start using it.
Thanks to the Perl scripting language you can automate various tasks in your Linux system. Learning Perl is both easy and fun, and you'll soon be able to write scripts which will make your life easier. In these series of articles I'll start by explaining the basics and I'll progressively introduce more complex concepts and advanced techniques.
If you have been using Windows for any length of time you will have acquired some expertise and probably built up a collection of files you don't want to lose, two reasons why you might think moving to Linux is going to be too much trouble. It isn't, trust me and read on...
In the previous lesson we learnt what Perl was and how to use the interpreter to run Perl scripts. We also wrote our first Perl script: HelloWorld.pl. In this lesson we will learn how to use variables and command line arguments. We will then use them in order to write our second Perl script: a calculator!
This is the rest of the letter that Dr. UN*X is sending to Adrian about his question onto how can people connect to his system using the two DSL lines connected to it, read on to see the rest of the letter.
Thanks to the Perl scripting language you can automate various tasks in your Linux system. Learning Perl is both easy and fun, and you'll soon be able to write scripts which will make your life easier. In these series of articles I'll start by explaining the basics and I'll progressively introduce more complex concepts and advanced techniques.
What is ELF? ELF (Executable and Linking Format) is file formatthat defines how an object file is composed and organized. With thisinformation, your kernel and the binary loader know how to loadthe file, where to look for the code, where to look the initializeddata, which shared library that needs to be loaded and so on.
In the previous lesson we learnt about string comparisons and fileparsing. In this lesson we'll see how Perl can interact with thefilesystem and execute commands in the Linux operating system. We'llthen use what we've learnt to write a little script.
OpenSSL is the ubiquitous toolkit for writing security applications. It was originally written as an SSL library with specific focus on performance for x86 platrorms but today it has become the de facto standard for implementing user space security applications.
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