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Rocky Linux 10 Will Support RISC-V
🏗️ Rocky Linux 10 Will Support RISC-V! We're excited to announce that Rocky Linux 10 will officially support RISC-V! Thanks to the incredible work of...
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The latest blog posts to take off on Hacker News. 4,377 posts.
Infrastructure & DevOps
Any year
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Litestream: Revamped
Bringing in what we learned from LiteFS
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LLM-D: Kubernetes-Native Distributed Inference
Introducing llm-d: Kubernetes-native distributed LLM inference with KV-cache routing, disaggregated serving, and SOTA performance per dollar. Built on vLLM.
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How the economics of multitenancy work
CI is chaotic, bursty, spiky, and short-lived. That chaos is a nightmare unless you’re built for it. Blacksmith’s serverless CI cloud thrives on unpredictability: more customers = more noise = smoother utilization = lower costs for everyone. Multitenancy isn’t just efficient — it’s profitable. And yes, the margins are…
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OpenTelemetry protocol with Apache Arrow
We are excited to announce the next phase of the OpenTelemetry Protocol with Apache Arrow project (OTel-Arrow). We began this project several years ago with the goal of bridging between OpenTelemetry data and the Apache Arrow ecosystem. Apache Arrow is a framework designed for zero-copy exchange of structured data…
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Demonstrably Secure Software Supply Chains with Nix
Discover how Nix can revolutionize your software supply chain security, enabling verifiable integrity and offline rebuilds from source.
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Tailscale 4via6 – Connect Edge Deployments at Scale
In this post, we’re highlighting 4via6 subnet routing — a powerful way to extend Tailscale’s mesh across entire edge or customer networks. It’s ideal for scenarios where traditional VPNs struggle, like fleets of robots, sensors, or isolated cloud environments.
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New Tool: lsds – List All Linux Block Devices and Settings in One Place
When dealing with disks and I/O things on Linux, you’d regularly run commands like lsblk, lsscsi, nvme list, etc. All of them tend to report a different set of information, so I ended up running multiple commands and correlating their output based on the device name or number. And then I had to run commands like…
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Updated rate limits for unauthenticated requests
To provide a secure and dependable experience on GitHub, we’re rolling out updates to rate limits for requests made without authentication. These changes will apply to operations like cloning repositories…
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Static as a Server
You wouldn't download a site.
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'I paid for the whole GPU, I am going to use the whole GPU'
A guide to maximizing the utilization of GPUs, from cloud allocations to FLOP/s.
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How to harden GitHub Actions
Build resilient GitHub Actions workflows with insights from real attacks, missteps to avoid, and security tips GitHub’s docs don’t fully cover.
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Replacing Kubernetes with systemd (2024)
In this post I go through the journey of overusing Kubernetes and how systemd can actually do most of what I use it for.
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Graceful Shutdown in Go: Practical Patterns
Go applications can implement graceful shutdown by handling termination signals (SIGTERM, SIGINT) via os/signal or signal.NotifyContext. Shutdown must complete within a specified timeout (e.g., Kubernetes’ terminationGracePeriodSeconds)…
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Building Burstables: CPU slicing with cgroups
Burstable VMs run on a fraction of CPU and burst to a higher level of CPU usage to support occasional usage spikes. To implement them, we leveraged Control Groups v2 (cgroups v2), a Linux kernel feature that helps manage resource usage. We thought our open-source implementation of burstable VMs might be interesting…
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How much energy does ChatGPT use?
This Gradient Updates issue explores how much energy ChatGPT uses per query, revealing it's 10x less than common estimates.
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Observability 2.0 and the Database for It
What Observability 2.0 means in practice, how wide events replace siloed metrics/logs/traces, and why GreptimeDB is purpose-built as the database foundation.
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Why Does My eBPF Program Work on One Kernel but Fail on Another?
How to Build Truly Portable eBPF Programs
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I gave up on self-hosted Sentry (2024)
Discover why I gave up on self-hosting Sentry before even starting. The high hardware needs, tricky setup, and heavy maintenance made it not worth the trouble.
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The Cost of Being Crawled: LLM Bots and Vercel Image API Pricing
A misconfiguration that might have cost us $7,000
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Podman Quadlets with Podman Desktop
Learn how to create & manage and use Quadlets with Podman Desktop
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Don't sell space in your homelab (2023)
Hanging out in subreddits like /r/homelab, /r/servers, and /r/datahoarder, I see this question asked too many times: I have extra space in my home server, how …
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.localhost Domains
I’ve found a way to configure private, custom domains for web-apps I have running on my computer. So instead of having to remember and type “localhost:4333”, I can simply navigate to “appname.localhost”. I love it!
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Docker Model Runner
Docker Model Runner is a faster, simpler way to run and test AI models locally, right from your existing workflow.
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How Netflix Accurately Attributes eBPF Flow Logs
By: Cheng Xie, Bryan Shultz, and Christine Xu
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Nix Derivations, Without Guessing
I went on a little low-level Nix adventure yesterday and early this morning because of this excellent blog post. In it, Farid builds up the simplest possible Nix derivation—making a file that has the contents “hello world”. Here’s what I like about it:
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The order of files in /etc/ssh/sshd_config.d/ matters
You're probably reading this page because you've attempted to access some part of my blog (Wandering Thoughts) or CSpace , the wiki thing it's part of. Unfortunately you're using a browser version that my anti-crawler precautions consider suspicious, most often because it's too old (most often this applies to versions…
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