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 are partitioned or sliced, and what sizes... Read more
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 and the various TCP/IP protocols that reside... Read more
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 make it possible to revert to a... Read more
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 CUPS (Print server) Samba (File sharing) Postfix... Read more
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 and Linux. MyMonero: a web-based wallet for... Read more
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 your command line experience even more efficient.... Read more
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 server without having to modify the global... Read more
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. UFW can be used to allow or... Read more
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 Chromium is an open-source project, which means... Read more
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 and configure Cisco Firepower Threat Defense technology,... Read more