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Weekend Reading: Sysadmin 101

This series covers sysadmin basics. The first article explains how to approach alerting and on-call rotations as a sysadmin. In the second article, I discuss how to automate yourself out of a job, and in the third, I explain why and how you should use tickets. The fourth article covers some of the...
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Marten Mickos
Software security requires discipline and diligence, said Mårten Mickos, speaking at the Open Source Leadership Summit.

Software Security Is a Shared Responsibility

Achieving effective security takes constant discipline and effort on everyone’s part – not just one team or group within a company. That was Mårten Mickos’s message in his keynote speech appropriately titled, “Security is Everyone’s Responsibility,” at The Linux Foundation’s recent Open Source...
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Understanding Linux filesystems: ext4 and Beyond

The majority of modern Linux distributions default to the ext4 filesystem, just as previous Linux distributions defaulted to ext3, ext2, and—if you go back far enough—ext. If you're new to Linux—or to filesystems—you might wonder what ext4 brings to the table that ext3 didn't. You might also wonder...
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Software-Defined Networking Is Harmonizing for Networking's Future

Heather Kirksey held up her smartphone. "How often do you stare at your smartphone? How often do you use the Internet on your phone?" asked the vice president of network functions virtualization (NFV) and director at the Open Platform for NFV (OPNFV), speaking at the Open Networking Summit. "That's...
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Linux All-in-One: Slimbook Curve Comes with Your Distro of Choice Pre-Installed

Spanish computer maker Slimbook has unveiled the Slimbook Curve, an all-in-one with a 24-inch curved screen made for GNU/Linux. The all-in-one is available with either Intel Core i5 or Core i7 CPUs and can be configured with 8GB or 16GB DDR4 memory with a 32GB option coming soon. The Curve 24 is...
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Automated Rollback of Helm Releases Based on Logs or Metrics

Continuous delivery is becoming a standard, if you implement the right process you get a predictable deployment. When a change is made in the code, most of the time the build, test, deploy and monitor steps are followed. This is the base for anyone willing to apply automation to their release...
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13 Git Tips for Git's 13th Birthday

Git, the distributed revision-control system that's become the default tool for source code control in the open source world, turns 13 on April 7. One of the more frustrating things about using Git is how much you need to know to use it effectively. This can also be one of the more awesome things...
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Top 5 Open-Source Frameworks for AI Development

Artificial Intelligence (AI) and Machine Learning (ML) are the two terms that are trending these days and sometimes even used interchangeably. However, both the terms are not the same. While AI involves machines that can perform tasks that are characteristic of human intelligence, ML enables modern...
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Regular Expressions: How Do They Work?

Dear programmer! I think it's time we talk about regular expressions. What do you think? Yes, I understand you know them and can use in most common real-life situations. It's great! I know some programmers, for whom more complicated regular expressions are quite a black magic. Even though they may...
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How Linux Became My Job

IBM engineer Phil Estes shares how his Linux hobby led him to become an open source leader, contributor, and maintainer. I've been using open source since what seems like prehistoric times. Back then, there was nothing called social media. There was no Firefox, no Google Chrome (not even a Google...
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