Updates and recent posts about Kata Containers..

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@varbear shared a link, 3 weeks ago

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Introduction to PostgreSQL Indexes

This post is for developers that have an intuitive knowledge of what database indexes are, but don’t necessarily know how they work internally, what are the tradeoffs associated with indexes, what are the types of indexes provided by postgres and how you can use some of its more advanced options to .. read more

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@varbear shared a link, 3 weeks ago

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How Microsoft Vaporized a Trillion Dollars

A former Azure Core engineer recounts arriving on his first day to find a 122-person org seriously planning to port Windows-based VM management agents - 173 of them, which nobody could fully explain - onto a tiny, low-power ARM chip running Linux. The stack was already failing to scale on server-gra.. read more

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Bad Analogies: Not Every Money-Burning Company is Amazon

The essay discusses the misconceptions around companies that burn a lot of money, drawing comparisons to Amazon's successful strategy. It delves into examples like Uber and WeWork to highlight the importance of understanding the long-term implications of cash burn. The focus is on the strategies and.. read more

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@varbear shared a link, 3 weeks ago

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What if I stored data in my mouse

The author experimented with storing data in a Logitech mouse's flash memory. Logitech mice communicate through HID++, a protocol that maps device features using stable IDs. Despite efforts to write data to certain registers, only the DPI register could retain data across power cycles... read more

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The Beginning of Programming as We’ll Know It

In the wake of AI coding assistants like Claude and Codex, many wonder if the human role of "computer programmer" is ending. Although AI shows promise, human developers are valuable in the current transitional period. Real programmers are uniquely positioned to harness AI's power while augmenting it.. read more

Kata Containers is a Cloud Native Computing Foundation (CNCF) project designed to close the security gap between traditional Linux containers and virtual machines. Instead of sharing a single host kernel like standard containers, Kata Containers launches each pod or container inside its own lightweight virtual machine using hardware virtualization.

This approach dramatically reduces the attack surface and prevents container escape vulnerabilities, making Kata ideal for multi-tenant, untrusted, or sensitive workloads. Despite using VMs under the hood, Kata is optimized for fast startup times and integrates seamlessly with Kubernetes through the Container Runtime Interface (CRI), allowing it to be used alongside runtimes like containerd and CRI-O.

Kata Containers is commonly used in scenarios such as multi-tenant Kubernetes clusters, confidential computing, sandboxed AI workloads, serverless platforms, and agent execution environments where strong isolation is mandatory. It supports multiple hypervisors, including QEMU, Firecracker, and Cloud Hypervisor, and continues to evolve toward faster boot times, lower memory overhead, and better hardware acceleration support.