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In the last article, we have covered few useful tools like ‘rTorrent‘, ‘wget‘, ‘cURL‘, ‘w3m‘, and ‘Elinks‘. We got lots of responses to cover few other tools of the same genre, if you’ve missed the first part you can go through it.

Nmap is a popular, powerful and cross-platform command-line network security scanner and exploration tool. It can also help you get an overview of systems that connected your network; you can use it to find out all IP addresses of live hosts, scan open ports and services running on those hosts, and so much more.

exa is a tiny, fast, and modern replacement for the ordinary ls command that comes pre-installed on all Unix and Linux operating systems. It is an enhanced file lister that ships with more advanced features and a more user-friendly version of ls.

In the previous topic of our LFCA series, we gave an introduction to Cloud computing, the different types and Clouds, and cloud services and walked you through some of the benefits associated with Cloud computing.

LibreOffice is the most powerful, free, and open-source office productivity software suite, which is used by millions of users across the world due to its clean and easy-to-use interface with feature-packed tools that assist you to unleash your creativity and increase your productiveness.

Linux is the host operating system, Nginx handles HTTP requests from web clients, MySQL or MariaDB manages the storage, retrieval, and manipulation of data, and lastly, PHP handles the dynamic processing of web contents.

Cloud computing is a popular buzzword that refers to an on-demand technology that has taken over the technology world by storm and simplifies the way we provision IT resources and access data. To better understand and appreciate the concept of Cloud computing, let’s go back in time and see how the technology environment looked like before the advent of cloud technology.

In this tutorial, we will see how to create a new user in Ubuntu 20.04 and how to grant sudo access to the user. As you may aware, any users who want to run commands that require root privileges need to either switch to the root account and submit the command or they should be part of the sudo group.

WordPress is a free and open-source content management system that is very popular among bloggers, but it can be used for more than just blogging. With WordPress, you can create powerful dynamic websites, mobile apps, and web apps.

An important concept to understand when working with the Linux process is what is the foreground and background process and how to control them. In Linux, if you execute any programs a process will be created with a unique ID (PID) and by default, the process runs in the foreground.

Setting up hostname is an important task for any system administrator or anyone who uses Linux. It is tedious to remember a machine by IP address. Hostname helps humans to remember the machine name easily.

One of the most reliable ways to protect your documents and their content from any alterations is using a digital signature. It is a mathematical technique used to validate the authenticity and integrity of a document. In other words, a digital signature creates a virtual fingerprint that is unique to a person and is used to identify users and protect information.

In today’s article, we present you with a list of reliable stores from which you can purchase your next Linux computer. These PCs have been tested for driver and network compatibility, and they come with a relatively lighter price tag compared to ones that ship with a Windows license.

As a sysadmin, having a fundamental understanding of network troubleshooting will help resolve issues faster and help promote a cohesive working environment. It’s for this reason that we have put together this section to highlight some of the basic network troubleshooting tips that will come in handy when diagnosing network-related problems.

In the previous article, we have seen how to install Centos 7 Minimal on VirtualBox. In this article, you will learn how to install guest additions in VirtualBox. Guest additions are drivers and software applications that enable some of the features in VirtualBox which is not enabled by default.

This tutorial will focus on how you can enable the networking plugin for Collectd daemon in order to act as a central monitoring server for other Collectd clients installed on various servers over you network.

In Part 10 of the LFCA series, we brushed over the classes of IP addresses and gave examples of the commonly used IP classes. However, that was just an overview and in this part, we will dive deeper and gain more understanding about IP addressing range and the number of hosts and networks each class of IP provides.

In Part 9 of the LFCA series, we covered the basics of IP addressing. To better understand IP addressing, we need to pay more attention to these two types of IP address representation – binary and decimal-dotted quad notation.

Jenkins is a leading self-contained open-source automation server that is used to automate repetitive technical assignments involved in building, testing, and delivering or deploying software. Jenkins is Java-based and can be installed through Ubuntu packages, Docker, or by downloading and running its web application archive (WAR) file that includes all the contents of a web application to run on a server.

The LAMP stack (LAMP for short) is a set of open-source software that consists of Linux, Apache, MySQL or MariaDB, and PHP. LAMP is used to develop and deploy dynamic websites and web applications.