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Ruby on Rails, popularly called ROR, is a Ruby framework for web programming. Ruby is a general purpose language like C, Java. Ruby has been invented by Yukihiro “Matz” Matsumoto about a decade ago and has gained recognition with its Rails software library framework which provides a web development framework for the Ruby programming language.

Listed below are easy to follow steps to install ROR successfully on the Ubuntu versions 14.04 LTS to 15.10 using Ruby Version Manager (RVM). RVM offers an easy way to install and manage multiple Ruby versions.

After starting his own farm in Missouri, Marcin Jakubowski quickly discovered it's an expensive business. The tools he needed to start and maintain a sustainable farm didn't exist, so he set out to design them himself. read more

I am a blogger so most of my time goes in writing articles and tutorials. One problem that I have been facing while typing is that my palm comes in contact with the touchpad and the cursor moves somewhere else on the screen or editor and my article is all messed up. I even have to rethink and rewrite sometime when many lines have got deleted due to this problem. But finally I have found the solution to this problem. Here is how you can fix this.

At the BuzzFeed Open Lab, we've been thinking a lot about automated journalism. In particular, we'd like to build open source tools that can be used by newsrooms big and small to empower journalists instead of replace them. read more

Dial into your own network from anywhere to access your files and browse the Internet freely

Secret Lab, or more specifically, Paris Buttfield-Addison and Jon Manning, introduced themselves at Linux.conf.au 2016 during their talk Open Data + Video Games = Win: "We write books and have made games for iconic Australia brands." [Watch a video of the talk] Which is accurate. They also sometimes do things like make Pokemon-style games based on the Energy Star data for washing machines.  But let's back up for a minute and talk about why they'd do such a thing. read more

Specifically, Wikimedia notes that, as a US company, it's under the jurisdiction of US law, and the DMCA includes a provision on "red flag" knowledge, that says if you are aware of infringing material, and you do not take it down, you may be liable. Thus, it removed it, even though it did not receive a specific DMCA takedown notice.

As Richard Stallman has pointed out, when it comes to advertising, those of us who buy and use products instead of making and selling them are the inventory the ad agencies are selling, not the customer, and we have no leverage. About the only tool available to us who wish to protect our privacy is to block ads, either through browser configurations or by using an ad blocking app.

Meizu, the well-known Chinese consumer electronics company, teased us earlier on Twitter with what it would appear to be the launch of a new device.

When there are multiple kernels installed on CentOS, GRUB/GRUB2 boot loader chooses and loads one of them as the default kernel during boot time. The default kernel can be chosen differently. For example, CentOS can be configured to boot into the newest kernel installed (e.g., CentOS 6), or it can boot a last saved entry regardless of the kernel is newer or older (e.g., CentOS 7).

In this article, we will explain how to install Flarum on an Ubuntu 14.04 VPS with MariaDB, PHP-FPM and Nginx. Flarum is an open-source forum software with a focus on simplicity written in PHP on top of the Laravel framework. This guide should work on other Linux VPS systems as well but was tested and written for an Ubuntu 14.04 VPS.

Mozilla launched a second update for the Firefox 44.0 branch, but this is a smaller release with just a couple of smaller fixes, albeit the security issue is quite important.

Canonical's Marco Trevisan has just published a new video on his Google+ page to show us all the latest features developed in the Unity 7 user interface for the upcoming Ubuntu 16.04 LTS (Xenial Xerus) operating system.

Post below presumes that your testing Swift storage is located somewhere on workstation (say /dev/sdb1) is about 25 GB (XFS) and before running packstack (AIO mode for testing) following steps have been done . . .

Evidence suggests that current models of work, in particular a 9-to-5 work week, are not only deleterious to workers' physical and mental health, but are also sub-optimally productive. read more

Here's the second part of master the command line feature. Got any extra command line tips? Leave a comment below.

Varnish Cache is widely used to cache web content to maximize web performance and reduce origin-server load. At our core, we've been all about web caching to support performance, scalability, stability, and all the inherent benefits that come with these attributes—from better user experiences to bottom-line savings. But sometimes we still have to hammer home the importance of caching. read more

There is a huge range of open source free audio software available for Linux which is both mature and feature-laden. Linux has all the tools needed to be a serious contender in music production without a user having to venture into the commercial software world. Linux is a superior platform for professional audio production: rock solid, efficient, and you don't get fleeced for software licenses.

Mozilla released earlier today the sixth point release of the stable 38.0 branch of its Thunderbird e-mail, news, and chat client, fixing a few minor issue reported by users since the 38.5.x series.

Today we will see how to list USB devices in Linux and their properties such as speed, BUS, class, type details etc. This is part of our on going hardware detection series. We already covered following stuff.