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Containers Break the Shared Responsibility Model Between Cloud Providers and Ops

Last month, a critical vulnerability in the basic Linux network infrastructure was discovered by Felix Wilhelm from Google’s Security Team and disclosed by Red Hat product security. The attack exploits a problem in the processing of Dynamic Host Configuration Protocol (DHCP) messages, which is the...
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A First Look at the Helm 3 Plan

Since the release of Helm 2 in 2016, Kubernetes has seen explosive growth and major feature additions. Role-Based Access Control (RBAC) was added. Many new resource types have been introduced. Custom Resource Definitions (CRDs) were invented. And most importantly, a set of best practices emerged....
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How I use Wireshark

Hello! I was using Wireshark to debug a networking problem today, and I realized I’ve never written a blog post about Wireshark! Wireshark is one of my very favourite networking tools, so let’s fix that :) Wireshark is a really powerful and complicated tool, but in practice I only know how to do a...
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Over 20,000 Container Management Dashboards Are Exposed on the Internet

Even though it’s highly discouraged to expose any kind of management dashboard directly to the internet, there are many users who continue to ignore this recommendation, and it seems that infrastructure admins are no exception. A recent study by cloud security firm Lacework found over 22,000...
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Open Source at 20: The Ubiquity of Shared Code

“Why is open source important? That’s like asking why is gravity important,” stated Brian Behlendorf, a leading figure in the open-source software movement, and executive director for the blockchain consortium Hyperledger. While this year marks the 20th anniversary of open source, it is hard to...
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​The Linux Mint Desktop Continues to Lead the Rest

You can keep your Windows 10 and macOS High Sierra. For me, Linux Mint 19 is not only the best Linux desktop, it's the best desktop. Period. End of statement. Why? Because its traditional windows, icons, menus, and pointers (WIMP) interface is a true pleasure to use. It's even more fun now, because...
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How to Plan Projects in the Open, Without the Stress

How can you define project requirements, engage multiple stakeholders, delegate work, and track progress—all in the open? Here's one tried-and-true method. Consider these questions: How do you gather and understand requirements? How do you track those requirements? How do you map them into real...
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Linux forecast
Linux "chief meteorologist" Jonathan Corbet shares the current conditions for Linux kernel development.

Linux Weather Forecast

Welcome to the Linux Weather Forecast This page is an attempt to track ongoing developments in the Linux development community that have a good chance of appearing in a mainline kernel and/or major distributions sometime in the near future. Your "chief meteorologist" is Jonathan Corbet, Executive...
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Finding IT Professionals With SDN Skills Remains a Struggle

With any major technology transition there is a gap between the time when the innovation is created and when there is a critical mass of IT professionals available with training and knowledge on how to deploy that state-of-the-art technology. Although software-defined networking (SDN) and network...
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​Google Doubles Down on Linux and Open Source

Google couldn't exist without Linux and open-source software. While you may not think of Google as a Linux company in the same way as you do Canonical, Red Hat, or SUSE, it wouldn't be the search and advertising giant it is today without Linux. So, it makes sense that Google is moving up from its...
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