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As you start spending more and more time working on the Linux command line, you tend to learn utilities that aren't very frequently used. Once such tool is sum, which only offers two features: display checksum and block count for input files. In this short tutorial, we will quickly discuss the basics of sum using some easy to understand examples.

And sprinkle those angry YouTube vids with a pinch of salt, please. Ubuntu 18.04, launched last month, included a new Welcome application that runs the first time you boot into your new install. The Welcome app does several things, including offering to opt you out of Canonical's new data collection tool.…

The AsteroidOS project has released version 1.0 of its open source, Linux-based smartwatch distribution. Designed for after-market installation on “Wear OS by Google” (formerly Android Wear) watches, AsteroidOS can now be dual booted on seven different models. The release follows the late March announcement of an OpenWatch Project for building Android based open source custom ROMs on Wear OS watches.

The OpenStack global community is gathering together in Vancouver, British Columbia this week to collaborate, learn, and build the future of open source cloud computing.

It's Tuesday, and today, it's teeny tiny Linux time where I'll show you some of the smallest fully graphical distributions out there, play some old abandoned games, DOS emulation, and visit browser based Linux. Basically, a grab bag of Linux and open source goodies. Oh, and wine.

In these articles, we provided an overview of Cloud Foundry and how to get started using it to develop applications. The first three articles covered basic concepts, terminology, and architecture. Then, in the last two articles, we showed how to write and push an app to a Cloud Foundry instance. You can catch up on the entire series here in this article.

We are only a few days away from May 25th, when the European General Data Protection Regulation (GDPR) will go into full effect. GDPR has implications for many different parts of Mozilla. Rather than give you a laundry list of GDPR stuff, in this post, we want to focus specifically on Firefox and drill down specifically into how we think about privacy-by-design and data protection impact assessments within our browser product.

News briefs for May 23, 2018.

It’s been nearly a year since we launched Firefox Focus for Android, and it has become one of the most popular privacy browsers for mobile around the world.

FriendlyElec has launched a 100 x 64mm, $129 “NanoPC-T4” SBC that runs Android or Linux on a Rockchip RK3399 with 4G DDR4, native GbE, WiFi-ac, DP, HDMI 2.0, 0 to 80? support, and M.2 and 40-pin expansion. FriendlyElec has released its most powerful and priciest hacker board to date, which it promotes as being the smallest RK3399-based SBC on the market.

Hidden behind the OpenStack cloud was its outstanding CI/CD system. Now, with the release of Zuul 3.0, Zuul is coming into its own.

For some people, the terminal can be scary. But a terminal is more than just a black screen to type in. It usually runs a shell, so called because it wraps around the kernel. The shell is a text-based interface that lets you run commands on the system. It’s also sometimes called a command line.....

Aaeon unveiled two Linux-friendly embedded systems: an “AIOT-IP6801” gateway equipped with an Apollo Lake-based UP Squared SBC with WiFi and LoRa, and a “Boxer-8120AI” mini-PC with an Nvidia Jetson TX2 module and 4x GbE ports. Aaeon announced that three of its Linux-ready embedded systems have won Computex d[he]j awards........

While the widespread adoption of open source continues at a healthy rate, the recent 2018 Open Source Security and Risk Analysis Report from Black Duck and Synopsys reveals some common concerns and highlights the need for sound security practices.

A roundup of recent news.

Canonical CEO and Ubuntu Linux founder Mark Shuttleworth claims Canonical OpenStack is a better deal than either Red Hat or VMware's OpenStack offerings.

NumPy is designed to be fast, but it's also a bit low level for some people. To get more functionality and a more flexible interface, many people use Pandas, a Python package that provides two basic wrappers around NumPy arrays: one-dimensional Series objects and two-dimensional Data Frame objects.

when you want more control, the best path is to run Git on your own server. Not only do you save costs, you also have more control over your server. In most cases a majority of advanced Linux users already have their own servers and pushing Git on those servers is like ‘free as in beer’.

We've already discussed the Linux cat command in one of our earlier tutorials. As you may be aware, the cat command is mainly used for displaying file contents in output. However, what you may not be aware of is that there exists a command that does exactly opposite of what cat does. The tool in question is tac, and in this tutorial, we will discuss its basics using some easy to understand examples.

Ariadne is a free, open source, feature rich cross-platform and security-focused Content Management System written in PHP language. In this tutorial, we will learn how to install Ariadne in Ubuntu 18.04 server.