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It's not hard to build a frequency-of-occurrence histogram with AWK, but scaling the histogram bars is a little bit trickier. By "scaling" I mean setting the longest bar to a defined character length in the terminal, and adjusting the lengths of all the shorter bars proportionally.

NetBeans IDE (Integrated Development Environment) is a very powerful software development tool, mostly used to develop Java and C/C++ applications. In this article, I will show you 3 different ways to install NetBeans IDE 12 on Ubuntu 20.04 using the command line.

ProFTPd is an open source FTP server application that allows you to set up your own FTP servers on Linux machines, even more so if they are dedicated servers or cloud instances. We are going to install the latest version of ProFTPD on an Ubuntu 20.04 machine.

Kali Linux version 2021.3 has been released with new tools, though its makers explain that some features which make it good for penetration testing also make it bad for general use. The specialist Linux distribution, based on Debian, is designed for security professionals (and also handy for administrators confronted by problems such as a standalone Windows PC and a user with a lost password). It is sponsored by a US company called Offensive Security, who do information security training and penetration testing.

Loops are useful for automating repetitive tasks in Bash shell scripting. In this guide, we will learn about for loop with examples.

In this tutorial, you'll learn how to unit test code that performs HTTP requests. In other words, you'll see the art of API unit testing in Python. Unit tests are meant to test a single unit of behavior. In testing, a well-known rule of thumb is to isolate code that reaches external dependencies.

2DayGeek: This quick guide describes how to boot RHEL system into Emergency Mode, using the systemd target unit.

Red Hat has told certified admins they need to re-certify by Christmas – or else. A Monday post by director of certification Randy Russell pointed out that in response to the COVID-19 pandemic, the Linux-slinging outfit extended the validity of certifications and allowed cancellation and/or re-scheduling of exams.

Running containers on your Mac can be a challenge. After all, containers are based on Linux-specific technologies like cgroups and namespaces. Luckily, macOS has a built-in hypervisor, allowing virtual machines (VMs) on the Mac. The hypervisor is a low-level kernel feature, not a user-facing one.

In the following tutorial, you will learn how to install the latest Tor Browser on Fedora 34.

For those using Samba as the open-source implementation of SMB/CIFS and allowing for file/print sharing with Microsoft Windows systems, Samba 4.15 is now available as the latest release for improving Windows interoperability on Linux and other platforms.

This guide shows how to easily reset your root password in Linux so that you don't lose all administrative privileges to your machine.

Giada, the open-source, free, and cross-platform hardcore loop machine software, has been updated to version 0.18.2 with several new features for this powerful music production tool for DJs, live performers, and electronic musicians.

We haven’t covered any major thing on the Raspberry Pi since our article on the 8 New Raspbian Features to Start Using on Your Raspberry Pi close to a year ago. No one needs to state how successful the Raspberry Pi has been since its inception till date, thus, the factor behind this article.

Much of the world is rebounding from the economically crippling lockdowns of COVID-19, and hiring people with the right skills is proving to be a challenge. Nowhere is this more true than in the technology sector. The talent gap that existed before the pandemic has worsened due to an acceleration of cloud-native adoption as remote work has gone mainstream.

Micro command-line text editor is designed to replace Nano as the text editor for the masses. It is cross-platform terminal-based text editor, which is not only used for Linux but on all other platforms like Windows and macOS as well.

Patrick d’Emmabuntüs informs 9to5Linux today about the general availability for download of the highly-anticipated Emmabuntüs Debian Edition 4 1.00 distribution for refurbishing old computers and anyone who wants to discover GNU/Linux.

Companies have long been hungry for open-source savvy employees, now they're starving.

One of the interesting aspects of the open source community is that people are always trying different approaches to solve the same problem. One of the reasons we have so many toolkits, word processors, and distributions is the creativity people have for trying out various ways to make our computing experiences better.

The mainframe is a foundational technology that has powered industries for decades, including government, financial, healthcare, and transportation. With the help of surrounding communities, the technologies built around this platform have paved the way for the emergence of a new set of technologies we see deployed today. Notably, a significant number of mainframe technologies are profoundly embracing open source.