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Apache Spark is an open-source framework and a general-purpose cluster computing system. Spark provides high-level APIs in Java, Scala, Python and R that supports general execution graphs.

Some things about the Ruby community have always impressed me. Two examples are the commitment to testing and the emphasis on making it easy to get started. The best example of both is Ruby Koans, where you learn Ruby by fixing tests. read more

Java is perhaps the most widely used programming language nowdays. It's robustness and platform-independent nature enables Java based applications to run on mostly anything. As is the case with any application, we need to store our data in some sort of reliable way - this need called databases to life.

It is easy to manage the startup applications in Ubuntu and clean out those apps/process that you don't need during boot up. Here's how to do it.

Python has incredibly scalable options for exploring data. With Pandas or Dask, you can scale Jupyter up to big data. But what about small data? Personal data? Private data? JupyterLab and Jupyter Notebook provide a great environment to scrutinize my laptop-based life. read more

This article explains how to set up a static IP address on Ubuntu 20.04.

Avnet’s $72.50 “MaaxBoard Mini” SBC offers Linux and Android images to run on an i.MX8M Mini with 2GB DDR4, GbE, 4x USB 2.0, MIPI DSI- and -CSI, WiFi/BT, and 40-pin GPIO. A year ago, Avnet’s Embest unit launched a $60 MaaXBoard SBC featuring NXP’s i.MX8M. We missed the company’s July announcement of the promised, i.MX8M […]

There’s a new project out there providing a multi-boot/multi-distro image that lets you run no less than 13 different Linux distributions on the PinePhone Linux phone from PINE64.

Ever wanted to record whatever you played on your speakers directly to an MP3 file? Here is how you can record system sound in Linux.

Reduce the Red Hat Enterprise Linux (RHEL) 7.8 DVD ISO size for optimized delivery.

One of the most important things to do well in a modern enterprise is to collect company knowledge. Organizations need shared workspaces where individuals and teams can collaborate and share their experience and knowledge. This makes knowledge-management systems essential in today's agile environments.

Puppet is a free and open-source administration automation engine for Linux, Unix and Windows operating systems. In this tutorial, we will explain how to install Puppet server and agent on Ubuntu 20.04 server.

Saidar is a simple, curses-based tool used to view system statistics and resource usage in real-time in Linux and Unix operating systems. It is part of libstatgrab library that can be used to access key system statistics including CPU, processes, load, memory, swap, network I/O, disk I/O, and file system information.

Learn how ncat is an essential power tool for debugging and other network activities in Linux.

Today, IBM celebrates not one but three important milestones in their 20-year-long relationship with Linux and the Open Source community, 20th anniversary of Linux on Z, 5th anniversary of LinuxONE and first anniversary of Red Hat OpenShift on IBM Z and LinuxOne, as the company informs 9to5Linux.

In this article, we will describe how to install Mono on CentOS 8 and how to write and compile your first C# program on Linux.

'51 billion' active JVMs can't be wrong. Oracle on Tuesday marked the arrival of Java 15, known as Oracle JDK 15 among those concerned about formalities and trademarks, in the 25th year of the programming language's existence.…

The command described in this post answers this question: Are there records in your data table with non-blank entries in field 1 that have multiple corresponding entries in field 2, instead of just an expected one entry?

The Tor Project announced today the general availability of Tor 0.4.4.5 as newest stable release of their free and open-source software for enabling anonymous communications.

KeePassXC is a useful open-source cross-platform password manager that doesn’t compromise on features even if it’s not a cloud-based tool.