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Java is one of the most popular programming languages used to build different kinds of applications and systems. This guide explains how to install Java (OpenJDK) on Raspberry Pi with the latest Raspbian OS running on it.

This tutorial covers step by step installation and configuration of Ansible on Redhat Enterprise Linux 8. Ansible is the leading Open Source configuration management system. It makes it easy for administrators and operations teams to control thousands of servers from central machine without installing agents on them.

Last year, I brought you 19 days of new (to you) productivity tools for 2019. This year, I'm taking a different approach: building an environment that will allow you to be more productive in the new year, using tools you may or may not already be using.

Getting your IP address is often the first step of most network troubleshooting processes. If you are trying to reach a website but the website is no answering back, it might be because your network adapter is badly configured. Similarly, you might want to reach internal addresses, but if your IP address is configured in the wrong subnet, you won’t be able to ping them. In this tutorial, we are going to see how you can get your IP address on Linux easily.

I was running some commands within a BASH subshell and it worked fine, except when it didn't. The workaround avoids what seems to be a buffering issue.

Java is still the pervasive development language among enterprise developers, even though it is not developers' preferred cloud-native runtime and is falling behind other languages, according to GitHub's Octoverse.

Thomas Grzybowski’s explanation of why GitHub poses a risk to software freedom and what can be done about it

Red Hat Enterprise Linux version 8.0 has been out for some time and is available for testing purposes on RedHat's website. All you need to do to get it is create an account if you don't already have one, download the ISO and install it using your credentials. If you have previously worked with the 7.x branch of Red Hat Enterprise Linux or CentOS the installation process will be familiar to you since not much has changed.

Last year, I brought you 19 days of new (to you) productivity tools for 2019. This year, I'm taking a different approach: building an environment that will allow you to be more productive in the new year, using tools you may or may not already be using. Index your email with Notmuch Yesterday, I talked about how I use OfflineIMAP to sync my mail to my local machine. Today, I'll talk about how I preprocess all that mail before I read it. read more

If you want to delete your file beyond recovery, there are a few ways you can completely delete a files in Linux. Check them out here.

The "See one, do one, teach one" approach can help sysadmins master new tech with ease.

Creative Commons (CC) copyright is a series of copyright licenses that make it easy for creators to share their work and adapt the work of others. Just because something is online doesn’t mean you are free to use it however you like. How do I know if a work has a CC license? If you don’t see a Creative Commons license on the work or the creator doesn’t tell you their work is free to use, you cannot use it. There are three ways to know if a work has a Creative Commons license:  read more

This guide explains how to quickly transfer large files between two systems over Network using netcat, tar, and pv commands in any GNU/Linux and Unix-like operating systems.

Installing Asterisk is no longer the frustration generator that it once was. This article shows you how straightforward the process is now.

YetiForce is a free and open-source Customer Relationship Management system that helps to manage relations with customers, suppliers, partners and staff. In this tutorial, we will show you how to install YetiForce on Debian 10 with Let's Encrypt free SSL.

When people debate which operating system is the best-either MacOS or Windows-not many mention the third option: Linux. Why is that?

Only Linux, um, Windows 10 can save you! The Windows 7 hysteria machine has most definitely kicked into gear today, with Viking burials and scary statistics for the orphaned operating system.…

For more than a year, setV has been hidden away within my bash_scripts project, but it's time for it to become public. setV is a Bash function I use as an alternative to virtualenvwrapper. It provides basic features that enable you to do things such as: read more

OpenCV (Open Source Computer Vision Library) is an open-source computer vision library and has bindings for C++, Python, and Java. It is used for a vast range of applications, including medical image analysis, stitching street view images, surveillance video, detecting and recognizing faces, tracking moving objects, extracting 3D models, and much more.

Last year, I brought you 19 days of new (to you) productivity tools for 2019. This year, I'm taking a different approach: building an environment that will allow you to be more productive in the new year, using tools you may or may not already be using.