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MRTG also known as "Multi Router Traffic Grapher" is a free and open source tool to monitor the traffic load on network links. In this tutorial, we will learn how to install MRTG on Ubuntu 18.04 server.

Shell languages are useful for interactive use. But this optimization often comes with trade-offs against using them as programming languages, which is sometimes felt when writing shell scripts. What if your shell also understood a more scalable programming language? Say, Python? Enter Xonsh. Installing Xonsh is as simple as creating a virtual environment, running pip install xonsh[ptk,linux], and then running xonsh. read more

In Linux, block devices are special files that refer to or represent a device (which could be anything from a hard drive to a USB drive). So naturally, there are command line tools that help you with your block devices-related work. Once such utility is lsblk.

Someone recently asked me what education will look like in the modern era. My response: Much like it has for the last 100 years. How's that for a pessimistic view of our education system? read more

Fedora 29 development and testing is currently in full swing, and Fedora 29 features a range of improvements to Internationalization (i18n) support. Major improvements in Fedora 29 include better font support, and improvements to the iBus input method. All this week, the Fedora i18n Team is running a Test Day Week to try out these […]

News roundup for Sep 3, 2018.

The Five Eyes allies have threatened to introduce legislation if technology providers don't help them to break end-to-end encryption in specific cases where private info is sought on suspects.

Alfresco Community Edition is the free version of the Alfresco Content Services, a CMS system written in Java that uses PostgreSQL as database. In this tutorial, we will be going to explain how to install Alfresco Community Edition on Ubuntu 18.04.

It's an interesting world that we live in. On August 10, the Academy of Motion Picture Arts & Sciences—the same organization responsible for the Academy Awards (also known as the Oscars), not exactly an industry that's renowned for its openness—teamed up with the Linux Foundation to form the Academy Software Foundation (ASWF). read more

A look at Adafruit's PiGRRL Zero vs. Hardkernel's ODROID-GO.

A versatile and powerful editor, vi includes a rich set of potent commands that make it a popular choice for many users. This article specifically looks at commands that are not enabled by default in vi but are nevertheless useful. The commands recommended here are expected to be set in a vi configuration file. Though it is possible to enable commands individually from each vi session, the purpose of this article is to create a highly productive environment out of the box.

In a "flipped classroom," students are introduced to content at home and then go to school ready to interact with teachers. Khan Academy video content is a popular resource for many flipped classrooms, and the concept behind it has revolutionized education for many students. As stated on its website, you can learn anything at Khan Academy—as long as you can access the video content it shares online.

VIDEO: Linus Torvalds thinks Intel has gotten better about keeping the Linux open-source community in the loop with CPU security problems, but it started out really badly. And it's still not fair that Linux has to fix hardware problems.

Most of us surf the internet, make online purchases, and even pay bills using our mobile devices because they are handy and easily accessible. According to a Forrester study, The Digital Business Imperative, 43% of banking customers in the US used mobile phones to complete banking transactions in a three-month period.

Browser will stop asking nicely for privacy protections. Mozilla says it will soon be modifying its Firefox browser to block all user tracking on websites by default.…

In this edition of our open source news roundup, we take a look at Redis Labs' licensing woes, open source profiting from the cloud, making Windows games easier to run on Linux, and more.

In previous installments of this series, you learned about directories and how permissions to access directories work. Most of what you learned in those articles can be applied to files, except how to make a file executable. So let's deal with that before moving on.

It's been a few years since I last attended the annual SIGGRAPH Conference. If you're not familiar with SIGGRAPH, it's a special interest group within the Association for Computing Machinery (ACM) that focuses on computer graphics. It holds a North American conference every year, usually on the western side of the continent. This year it was in Vancouver, Canada. read more

Omeka Classic is a free and open source web publishing platform for sharing digital collections and creating media-rich online exhibits. In this tutorial, we will learn how to install Omeka Classic CMS on Ubuntu 18.04 server.

There are plenty of reasons to like Markdown, a simple language with an easy-to-learn syntax that can be used with any text editor. Using tools like Pandoc, you can convert Markdown text to a variety of popular formats, including HTML. You can also automate that conversion process in a web server. read more