The purpose of this guide is to list all disk partitions, and their sizes on a Linux operating system. This will help you identify what hardware storage you have available, how the disks…
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This article unfolds some questions in a logical order, starting with background on the OSI and DoD models, focusing on the Data Link and Physical layers. Further it proceeds up the OSI model…
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Git is a popular, free Version Control System, designed for use by software developers. The essence of Version Control is the ability to capture the state of software documents, and in doing so…
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In Ubuntu, services refer to background processes that run on a system, even when no user is logged in. Some examples of commonly used services in Ubuntu include: Apache Web Server SSH MySQL/MariaDB…
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Monero (XMR) is a privacy-focused cryptocurrency that requires a wallet to store, send and receive XMR. Here are a few popular options for Monero wallets: Monero GUI: official desktop wallet for Windows, MacOS…
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Creating an alias for use on the command line can save the user from typing long commands, common options, or typos. This will save you some time and repetitive keystrokes, and ultimately make…
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The .htaccess file is a configuration file used by the Apache web server to override default server settings for a specific directory or subdirectory. It allows webmasters to customize the behavior of the…
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Ubuntu uses UFW (Uncomplicated Firewall) as its default firewall management tool. It is a user-friendly front-end for iptables and makes it easier to configure the firewall by providing a set of predefined rules….
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Chromium is an open-source web browser project developed by Google. It is the basis for the Google Chrome web browser, but there are some differences between the two. One main difference is that…
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The Securing Networks with Cisco Firepower Next Generation Firewall (SSNGFW) v1.0 course shows you how to deploy and use Cisco Firepower Threat Defense system. This course gives you knowledge and skills to use…
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AWS is designed to allow application providers, ISVs, and vendors to quickly and securely host your applications – whether an existing application or a new SaaS-based application. You can use the AWS Management…
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Do you have a tech job interview coming up? Are you prepared? The best way to get ready for an interview is to take the time to review the most common technical interview…
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The following are some of the main vulnerabilities that websites and web applications have: Directory Traversal Attack A directory can be described as a folder that a web designer uses to store the…
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R is a programming language designed for statistical computing and graphics. It is free, open-source, and available on Linux, Mac OS X, and Windows operating systems. R is an essential language in Data…
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Unfortunately, big-data analysis cannot be accomplished using traditional processing methods. Some examples of big data sources are social media interactions, collection of geographical coordinates for Global Positioning Systems, sensor readings, and retail store…
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