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Due to its syntactic simplicity and flexibility, JSON (JavaScript Object Notation) has become pretty much the de-facto standard data exchange format in many web applications. As JSON becomes widely used to represent structured data with a great degree of flexibility, the need arises for being able to "validate" JSON representations. Thus there came something called […]Continue reading... The post How to validate JSON from the command line on Linux appeared first on Xmodulo. Related FAQs: How to look up dictionary via command line on Linux How to parse JSON string via command line on Linux How to access Linux command cheat sheets from the command line What are useful CLI tools for Linux system admins What is a good command-line calculator on Linux

Last fall, you might recall that the hardware tinkering community (and people who just like to fully use the devices they pay for) was up in arms over an FCC plan to lock down third-party custom firmware. After tinkering enthusiasts claimed the FCC was intentionally planning to prevent them from installing third-party router options like DD-WRT and Open-WRT, we asked the FCC about the new rules and were told that because modified routers had been interfering with terrestrial doppler weather radar (TDWR) at airports, the FCC wanted to ensure that just the radio portion of the router couldn't be modified. The FCC stated at the time that locking down the full, broader use of open source router firmware entirely was absolutely not their intent:

Laptop's, in my opinion at least, are still the best portable way of computing. There are a lot of things that phones and tablets still cant do which a laptop can. Problem is, laptops are more fragile then most people think.

The Sabayon Community Repositories infrastructure will build repositories for the community, and it is managed by the community itself. There is a main Community repository while there is room to add other repositories, "slots", that SCR Developers are free to use. More on how it works will come later. Currently we are in alpha state, but we are having great results, some packages are already available to the public. The goal here is to have a system like AUR for Arch and PPA for Ubuntu where Sabayon Community Developers (which are community members first) maintain multiple repositories or packages of the Community repository.

You'll soon be able to run Ubuntu on Windows 10.

The same 2D annimation software that's used by Studio Ghibli in the making of its feature length anime films is now available as OpenToonz under an open source license.

Ansible is a great and simple configuration management and orchestration tool. Some times we require to reboot server and do some tasks once reboot is done. Today I came across such requirement where I have to upgrade our production Ubuntu server...

The Internet of Things isn't just a buzzword, it's a rapidly expanding reality. read more

In my last article, I started discussing how to optimize a Web application, looking at the different aspects of an app and where the slowness might come from.

OwnCloud offers you the ability to run a cloud storage service that you administer and control yourself. The latest version, ownCloud 9.0, was released on March 8. Let's look at the process of installing ownCloud 9.0 on a system running Debian Jessie.

Hey, remember when the FCC reassured us last year that it wasn’t going to lock down Wi-Fi routers? Well, there goes that. Because even though the FCC said its new requirements were not intended to lock down router software or block the installation of open source firmware, at least one large manufacturer has reacted by doing just that. And more could follow.

Also in today's open source roundup: Oracle wants $9.3 billion dollars from Google for using Java in Android, and 5 open source home automation tools.

The FBI hack of an iPhone 5c running iOS 9 may have left the device just a little bit insecure in the eyes of some users, as the agency has not provided details of how it was able to access data on the phone used by the San Bernardino terrorist.

Why in a mobile market dominated by Android and iOS is it worth considering Sailfish OS? Today I am hoping to answer this question a bit after having spent some time using Sailfish OS.

Connect a keyboard and mouse, and it becomes a full-featured Linux desktop.

The Justice Dept. confirmed that it has dropped a legal case against Apple, demanding that the company help federal agents unlock an iPhone used by one of the San Bernardino shooters.

The Fedora 24 Alpha is here, right on schedule for our planned June final release. The Alpha release contains all the features of Fedora 24’s editions in a form that anyone can help test. This testing, guided by the Fedora QA team, helps us target and identify bugs. When these bugs are fixed, we make a Beta release available. A Beta release is code-complete and bears a very strong resemblance to the third and final release. The final release of Fedora 24 is expected in June.

“I had 25 laptops I was going to bring with me from work. They had been released for recycle so they were mine to do with as I pleased. But after looking them over, I decided they were just too old and I would be burdening you more than helping you. I pulled the hard drives and crushed the rest.”

The Sabayon Linux rolling release operating system based on the powerful Gentoo distro has just been updated today, March 28, for the month of April 2016, and new ISO images are now available for download.

Stali, which is built with statically linked binaries for speed and compactness, upends traditional ideas about how a Linux distribution should work.