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9 cheat sheets for Linux and open source

Monday 7th of January 2019 08:01:00 AM

There are a ton of tasks you do every single day. Make it a little easier on yourself by downloading our cheat sheets.

See this list of all of them. Nine of our favorites are listed below.

Find the ones that speak to you and get started. Or, maybe you need to send a few virtual gifts to friends this year? Our cheat sheets make nice ones.


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How to manage your media with Kodi

Monday 7th of January 2019 08:00:00 AM

If you, like me, like to own your own data, chances are you also like to purchase movies and TV shows on Blu-Ray or DVD discs. And you may also like to make ISOs of the videos to keep exact digital copies, as I do.


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Open source space academy opens in Nairobi

Sunday 6th of January 2019 08:00:00 AM

Nairobi's Tunapanda Institute has been using open source tools to provide technology, design, and business training in East Africa since its inception in 2013. Next year the school will launch a "space academy" to inspire young people to think about some of the most critical challenges facing humanity on this planet and beyond.


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Opening government data, new life for Mozilla Labs, a bug bounty program, and more news

Saturday 5th of January 2019 08:00:00 AM

In this edition of our open source news roundup, we take a look making government data open in the U.S., German state funding an open source e-health app, the return of Mozilla Labs, and more


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Why data scientists love Kubernetes

Friday 4th of January 2019 08:02:00 AM

Let's start with an uncontroversial point: Software developers and system operators love Kubernetes as a way to deploy and manage applications in Linux containers. Linux containers provide the foundation for reproducible builds and deployments, but Kubernetes and its ecosystem provide essential features that make containers great for running real applications, like:

  • Continuous integration and deployment, so you can go from a Git commit to a passing test suite to new code running in production


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Take to the virtual skies with FlightGear

Friday 4th of January 2019 08:01:00 AM

If you've ever dreamed of piloting a plane, you'll love FlightGear. It's a full-featured, open source flight simulator that runs on Linux, MacOS, and Windows.


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5 public speaking resolutions for 2019

Friday 4th of January 2019 08:00:00 AM

The year is coming to a close, which means it's time to start making resolutions for the new one. If one of your 2019 resolutions is to present at a tech conference, I encourage you to include these resolutions along with it.


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Getting started with predictive analytics in DevOps

Thursday 3rd of January 2019 08:03:00 AM

Data—it's the new currency. Many years ago, we measured the volume of data we processed in gigabytes; then we quickly moved to terabytes. Due to the influence of the smartphone and mobile devices, our volume of data is rapidly increasing to petabytes.


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How to use Magit to manage Git projects

Thursday 3rd of January 2019 08:01:00 AM

Git is an excellent version control tool for managing projects, but it can be hard for novices to learn. It's difficult to work from the Git command line unless you're familiar with the flags and options and the appropriate situations to use them. This can be discouraging and cause people to be stuck with very limited usage.


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Best of blockchain: 5 must-reads

Thursday 3rd of January 2019 08:00:00 AM

So far, blockchain has remained in the realm of emerging tech, along with artificial intelligence, the Internet of Things, and virtual reality. Still, many companies and organizations are exploring the technology's potential application in areas such as supply chain, finance, and more. Technology companies and startups are also working on the third generation of blockchain, adding scalability and sustainability.


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How to create presentations with Beamer

Thursday 3rd of January 2019 08:00:00 AM

Beamer is a LaTeX package for generating presentation slide decks. One of its nicest features is that it can take advantage of LaTeX's powerful typesetting system and all the other packages in its ecosystem. For example, I often use LaTeX's listings package in Beamer presentations that include code.

Starting a presentation

To begin a Beamer document, enter:


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Hot sysadmin reads for the new year

Wednesday 2nd of January 2019 08:03:00 AM

The sysadmin job is challenging and requires a lot of firefighting.

Knowing that putting out fires is a big part of your job, what one thing would you save if your datacenter was literally on fire? Please share your answers in the comments below. P.S. You can only save ONE thing!


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DevOps: Get up to speed with these handy guides

Wednesday 2nd of January 2019 08:02:00 AM

In 2018, the Open Source DevOps team helped produce two amazing guides to help advance our DevOps practices.


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Learn how to jump start your career in open source in 5 minutes

Saturday 29th of December 2018 08:00:00 AM

In his Lightning Talk, "How to jump-start a career in open source," at All Things Open 2018, October 23 in Raleigh, NC, Eric D. Schabell says the most important thing in advancing your career is a lesson most people learn in preschool: "Sharing is caring."


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Calling subs and typing in Perl 6

Friday 28th of December 2018 08:01:00 AM

This is the ninth article in a series about migrating code from Perl 5 to Perl 6. This article examines the subtle differences in visibility of subroutines between Perl 5 and Perl 6 and the (gradual) typing core feature of Perl 6.


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What is BigchainDB?

Friday 28th of December 2018 08:00:00 AM

Sophia Armstrong, a computer science major at East Carolina University, provided an overview of BigchainDB in her Lightning Talk, "Blockchain database for a cybersecurity learning environment," at All Things Open 2018, October 23 in Raleigh, NC.


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Most-read coverage in 2018: Legal issues and the open source community

Friday 28th of December 2018 08:00:00 AM

In 2018, Opensource.com again tackled the intersection of open source and the law, with the most-read articles addressing topics from privacy to patents.

One of the most impactful legal changes in 2018 was the implementation of the General Data Protection Regulation (GDPR), so it's not surprising that many readers were interested in how the new law will affect open source communities.


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The mantra for this year's sysadmin: Work smarter, not harder

Thursday 27th of December 2018 08:02:00 AM

Being a systems administrator is not an easy job. Sysadmins often have to design, build, monitor, and maintain a large array of disparate services running on a patchwork of platforms. Most sysadmins come into the field by happy accident, so they sometimes lack formal, organized training on the toolsets.


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The people, processes, and tools of DevOps in 2018

Thursday 27th of December 2018 08:01:00 AM

I could not be happier with the band of merry DevOps, Site Reliability Engineering (SRE), and agile folks that have formed under the Opensource.com DevOps banner. Folks from around the globe have assembled to write about the people, processes, and tools they've encountered along their DevOps journeys. It is heartwarming to see so many people willing to share their experiences. This is what DevOps is all about! Better outcomes don't come from inside an organization. Better outcomes arise from shared continuous learning.


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Top advice for securing your systems in 2019

Thursday 27th of December 2018 08:00:00 AM

It's been an interesting year for security and users. It all kicked off at the beginning of the year with Facebook and Cambridge Analytica causing people suddenly to think more seriously about their data and what they share on social media. In fact, the threat against personal data has been an important theme for the year. We've seen breaches at companies such as Marriott (in December) and British Airways (September) and Under Armour (March).


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More in Tux Machines

Audiocasts: Full Circle Weekly News, mintCast and GNU World Order

KDE: Usability & Productivity Report From Nate Graham

  • This week in Usability & Productivity, part 54
    This week in KDE’s Usability & Productivity initiative, something big landed: virtual desktop support on Wayland, accompanied by a shiny new user interface for the X11 version too. Eike Hein has been working on this literally for months and I think he deserves a round of applause! It was a truly enormous amount of work, but now we can benefit for years to come.
  • KDE Now Has Virtual Desktop Support On Wayland
    KDE landing virtual desktop support on Wayland this week is certainly quite exciting while also a new UI was added for the X11 virtual desktop support too. Some of the other KDE improvements that landed this week and relayed by Nate Graham include the digital clock widget now allowing adjustments to the date formatting, the KDE Information Center's USB devices section will now actually display all USB devices, wallpaper chooser view improvements, and various other improvements.

Screenshots/Screencasts: Robolinux 10.4 LXDE, deepin 15.9, and Parrot OS 4.5 KDE

Livepatching With Linux 5.1 To Support Atomic Replace & Cumulative Patches

With the Linux 5.1 kernel cycle that should get underway in just over one month's time, there will now be the long in development work (it's been through 15+ rounds of public code review!) for supporting atomic replace and cumulative patches. Read more