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Introduction

For anyone looking to protect their privacy online, Tor is an invaluable tool. It is both one of the most reliable ways to hide your identity and one of the easiest to use.

There are multiple different ways to use Tor, but the simplest and quickest is the Tor Browser bundle. It is a self-contained Tor installation coupled with a specially configured Firefox installation designed to get you up an running with as few hassles and as little configuration as possible.

Despite its out-of-the-box nature, there are also some configuration changes and additions that you can make to further improve the capabilities of the Browser Bundle.

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Introduction

Inheritance is yet another key concept in Object Oriented Programming, and it plays a vital role in building classes. It allows a class to be based off on an existing one.

When you first started writing Python classes, you were told to just put "Object" in the parenthesis of the class definition and not think too much about it. Well, now's the time to start thinking about it.

"Object" is actually the base class that all Python classes inherit from. It defines a basic set of functionality that all Python classes should have. By inheriting from it when you create a new class, you ensure that that class has that basic functionality.

In short, inheritance is a nice way of categorizing classes and making sure that you don't needlessly repeat yourself.

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Objective

The following guide describes simple to follow steps on how to install the latest version of the open-source automation engine Ansible.

Operating System and Software Versions

  • Operating System: - Debian Stretch 9

Requirements

Privileged access to you Debian Linux system will be required.

Difficulty

EASY

Conventions

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Introduction

What if you would be able to perform a data compression four times faster, with the same compression ratio as you normally do. Pbzip2 command line utility can easily accomplish this as it gives you an option to select number CPU and amount of RAM to be used during the compression process.

Regular tar and bzip2 compression

We all know the regular command to perform tar and bzip2 directory compression. The below command will tar and compress our sandbox directory FOOBAR. We are also prefixing the below command to get exact time for how long will it take to output compressed file FOOBAR.tar.Bbz2 from 242MB FOOBAR directory: 
# time tar cjf FOOBAR1.tar.bz2 FOOBAR/

real    0m20.030s
user    0m19.828s
sys     0m0.304s
From the above time output we can see that it took about 20 seconds to create following compressed file: 
# ls -lh FOOBAR1.tar.bz2 
-rw-r--r-- 1 root root 54M Mar 10 20:25 FOOBAR1.tar.bz2

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Introduction

There's no denying that Vim is awesome on its own. It provides users with unprecedented configuration potential and quick, powerful commands. That said, Vim can get even better with the use of plugins.

There are hundreds of plugins that can seriously amp-up your Vim installation. Many of them are tailored for specific uses, like programming in a certain language or even writing. Others are more general and enhance Vim's existing capabilities. Whichever it is that you need, you're going to have to manage those packages.

There are a number of Vim package managers, but Pathogen is the most universal and simple to use and install. Pathogen works by pulling all of the Vim plugins in a certain directory into your Vim installation and activating them with a single line in your .vimrc file.