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Recent articles on FreeBSD

FreeBSD History – Understanding the Origins of DTrace

DTraceis a powerful tool for system administrators to diagnosis system issues without unduly impacting performance. DTrace became part of FreeBSD with the release of FreeBSD 7.1 in 2009—two years before Oracle began porting DTrace, and nine years before Oracle eventually solved the inherent CDDL vs GPL license conflict.

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FreeBSD vs. Linux – Tracing and Troubleshooting

When troubleshooting a Linux or FreeBSD system, you need to be able to probe the system to find answers as to why it is behaving in a particular way. In this article, we’ll provide an overview of some of the basic tools and introduce the FreeBSD equivalents of common Linux tracing and troubleshooting tools.

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Automation and Hacking Your FreeBSD CLI

The more we automate, the more we can save time and boost our productivity to higher levels. In this article we plan on looking at how to build more human-readable outputs in FreeBSD by leveraging tools like libxo to drive better output for automation APIs.

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Recent articles on ZFS

OpenZFS – Understanding ZFS vdev Types

The most common category of ZFS questions is “how should I set up my pool?” Sometimes the question ends “… using the drives I already have” and sometimes it ends with “and how many drives should I buy.” Either way, today’s article can help you make sense of your options.

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Newest CPU Architectures Content

RISC-V: The New Architecture on the Block

RISC-V is a relatively new chip architecture that is quickly making its way in the tech world and is proving to be quite a rival for the existing well-known architectures. Today, we will look at the history of RISC-V and how it differs from the other offerings.

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The Next Level – FreeBSD on arm64 In The Cloud

FreeBSD/arm64 is the FreeBSD port to the 64-bit ARM architecture, also known as AArch64 or ARMv8. All supported FreeBSD releases include support for ARMv8 and there are many packages and ports (3rd party applications) available to support the software you normally deploy with FreeBSD.

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Quick takes

Sysadmin Series – How to Catch a Bitcoin Miner

What first looked like some CPU oddity in a monitoring graph became a full-fledged hunt for a bitcoin miner. Figuring out what happened and how they were operating is part of the investigation. Collecting evidence to make a case soon became akin to a detective story.

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