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Linux

Perl 6 FAQ

Post date: October 20, 2006, 19:10 Category: Programming Views: 3949 Comments
Tutorial quote: Perl 6 FAQ featuring over 100 answers to questions about Perl 6, including changes since Perl 5 and new features such as junctions, multi subs, hyper operators and the new class and object system. Also includes a step-by-step guide to writing your first Perl6 program.
OpenBSD

OpenBSD 101 - Tutorial for Beginners

Post date: September 20, 2006, 20:09 Category: System Views: 10699 Comments
Tutorial quote: Some of the information in this tutorial can be found in the OpenBSD FAQ section. Though here the the FAQ has been trimmed down and presented in an easier to read format.
Unix+clones

Sudo FAQ

Post date: February 26, 2007, 21:02 Category: Security Views: 4238 Comments
Tutorial quote: Sudo is a simple program which allows the administrator to give regular users extra permissions to execute the commands they would normally not be allowed to use. Thanks to sudo, we can execute commands that are usually restricted to the root account. In practice, it looks like that: instead of typing su ->password -> command you type sudo command. In order to use sudo you need to configure it properly. This FAQ is supposed to help you with this task.
Unix+clones

Automating Perl Database Applications

Post date: May 1, 2005, 17:05 Category: Programming Views: 3178 Comments
Tutorial quote: This article describes how Perl is used to generate Perl CGI code using the multi-platform CGIScripter application. The resulting output code automates SQL table creation commands (in this example, for a MySQL database), HTML pages and Perl code. Web security issues, data validation and image handling functionality are incorporated into the resulting Perl code. By automating the development of Perl CGI scripts, even entry-level developers can create CGI scripts that contain most of the commonly requested features in a short period of time--without manually writing any code.
Debian

Speeding Up Perl Scripts With SpeedyCGI/PersistentPerl On Debian Etch

Post date: September 12, 2007, 22:09 Category: Optimizing Views: 3815 Comments
Tutorial quote: This tutorial shows how to install and use SpeedyCGI (also known as PersistentPerl) on a Debian Etch system. SpeedyCGI is a way to run Perl scripts persistently, which can make them run much more quickly. It keeps the Perl interpreter running, and during subsequent runs, this interpreter is used to handle new executions instead of starting a new Perl interpreter each time.
Unix+clones

Teach Yourself Perl 5 in 21 days

Post date: November 24, 2005, 20:11 Category: Programming Views: 4332 Comments
Tutorial quote: No previous programming experience is required for you to learn everything you need to know about programming with Perl from this book. In particular, no knowledge of the C programming language is required. If you are familiar with other programming languages, learning Perl will be a snap. The only assumption this book does make is that you are familiar with the basics of using the UNIX operating system.
OSX

Unix FAQ (OS X)

Post date: October 22, 2006, 02:10 Category: System Views: 6264 Comments
Tutorial quote: Answers to frequently asked questions about using Unix-level commands on OS X. Serves as a relatively gentle introduction to the command-line interface for novices.
Unix+clones

Creating (and Maintaining) Perl Modules

Post date: May 1, 2005, 17:05 Category: Programming Views: 3026 Comments
Tutorial quote: The goal of this web page is to help you write easily maintainable and re-usable code. In Perl, re-usability is implemented through modules, which are similar to libraries in other languages.

This page will guide you through creating your module and documenting it, as well as giving you some tips on how to make your code as maintainable and re-usable as possible.
Unix+clones

Have a Bash With This Linux Shell

Post date: April 15, 2005, 05:04 Category: Programming Views: 3128 Comments
Tutorial quote: Any Linux administrator who wishes to remain sane relies heavily on scripting to automate routine tasks, customize jobs, and build the plumbing that connects the different utilities that make a Linux system run smoothly. The Linux world is chock-full of scripting languages: Perl, Python, PHP, Scheme, Tcl, Tk, Ruby, Forth, Smalltalk, Eiffel, and doubtless many more. To get the column started, we'll look at shell scripting with Bash, and scripting with Python and Perl.
Linux

How To Implement SPF In Postfix

Post date: February 25, 2007, 21:02 Category: Miscellaneous Views: 4681 Comments
Tutorial quote: This tutorial shows how to implement SPF (Sender Policy Framework) in a Postfix 2.x installation. The Sender Policy Framework is an open standard specifying a technical method to prevent sender address forgery. There are lots of SPF extensions and patches available for Postfix, but most require that you recompile Postfix. Therefore we will install the postfix-policyd-spf-perl package from openspf.org which is a Perl package and can be implemented in existing Postfix installations (no Postfix compilation required).
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