GitHub’s Agent HQ 🏢, OpenAI’s Security Researcher 🥷, AWS To Bare Metal 💾

GitHub's Agent HQ is an open ecosystem that integrates coding agents from major AI companies directly into its platform ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ 

Sign Up |Advertise|View Online TLDR Together With TLDR DevOps 2025-10-31 👻 Are spooky audits haunting your deployment pipeline? (Sponsor) Manual releases can be terrifying when rushed changes slip past approvals. In regulated industries, that fear is real. Balancing delivery speed and compliance shouldn't feel like a horror story. Octopus Deploy's Compliance through Continuous Delivery report demonstrates how automated pipelines enable teams to escape chaos and deploy with confidence. Read the report → 📱 News & Trends GitHub Introduces Agent HQ (2 minute read) GitHub's Agent HQ is an open ecosystem that integrates coding agents from major AI companies directly into its platform through the paid Copilot subscription. The update adds mission control for managing multiple agents, deeper integrations with VS Code, Slack, and Linear, and enhanced AI tools for code quality and review. Announcing Rust 1.91.0 (3 minute read) Rust 1.91.0 introduces Tier 1 support for 64-bit ARM Windows (aarch64-pc-windows-msvc), giving full testing and binary guarantees to users on that platform. It also adds a new lint warning for returning dangling raw pointers from local variables and stabilizes numerous APIs, including new atomic pointer operations, integer "strict" arithmetic, extended PathBuf and Duration methods, and additional const contexts. Introducing Aardvark: OpenAI's agentic security researcher (4 minute read) OpenAI's Aardvark is an autonomous GPT-5–powered security researcher that continuously scans codebases to identify, validate, and patch vulnerabilities at scale. Unlike traditional analysis tools, Aardvark uses LLM reasoning to read and understand code, run sandboxed exploit tests, and propose Codex-generated fixes, achieving 92% recall in benchmark tests and helping both internal and partner teams strengthen security without slowing development. 🚀 Opinions & Tutorials So long, and thanks for all the fish: how to escape the Linux networking stack (11 minute read) Cloudflare engineers explored the limits of the Linux networking stack while developing soft-unicast, a system for sharing IP subnets across data centers, and encountered complex challenges involving socket binding, NAT, and packet forwarding. After experimenting with multiple kernel-level approaches, they ultimately chose to terminate TCP connections within servers for greater reliability and visibility. Kafka is fast -- I'll use Postgres (20 minute read) According to recent benchmark tests, Postgres can handle many Kafka workloads with a fraction of the development effort and cost, performing at 5 MB/s ingest and 25 MB/s egress on a 3-node cluster for approximately $11,514 per year. The "Just Use Postgres" slogan is more relevant than ever because modern hardware allows it to scale absurdly high, making it a practical and simpler alternative to more complex systems like Kafka for many use cases. uv is the best thing to happen to the Python ecosystem in a decade (5 minute read) A new Rust-based Python management tool called uv has transformed how developers install Python, manage dependencies, and create virtual environments, offering unmatched speed, simplicity, and cross-platform consistency. With built-in features for version pinning, project initialization, and instant one-off tool execution via uvx, it enables fully reproducible environments and seamless collaboration, making it the most significant improvement to the Python ecosystem in a decade. 🧑‍💻 Resources & Tools Unplanned work shouldn't mean broken planning (Sponsor) That "urgent" customer fix that just derailed your sprint? It could end up being a competitive advantage. Planview connects your codebase to business outcomes so scope changes become strategic pivots, not productivity killers. Watch a Planview demo, or see how these principles are applied in a day in the life a GVP Product. RustFS (GitHub Repo) RustFS, built using Rust, is an open-source, high-performance object storage system that is S3-compatible, allowing migration and coexistence with platforms like MinIO and Ceph. Concord (GitHub Repo) Concord is a resilient implementation of the core Chord protocol in Go. The protocol enables distributed key lookup in a peer-to-peer network using consistent hashing, a technique for evenly distributing keys across multiple nodes while minimizing reassignments when nodes join and leave. 🎁 Miscellaneous Accelerate Your Spacelift Journey: Introducing the Spacelift Accelerator for Rapid PoC Delivery (7 minute read) Semantive's Spacelift Core Config Accelerator drastically reduces setup time for Spacelift environments from several weeks to just a few days by automating configuration through a single config.yaml file. The accelerator enables declarative, production-ready infrastructure management with built-in best practices, automated dependency handling, and rapid proof-of-concept deployment. AWS to Bare Metal Two Years Later: Answering Your Toughest Questions About Leaving AWS (9 minute read) Two years after migrating from AWS to bare metal, OneUptime reports over $1.2 million in annual savings, a 76% cost reduction compared to AWS, and 99.993% availability across 730+ days. The move improved latency by 19%, eliminated AWS management overhead, and increased release velocity, while maintaining full SOC 2 and ISO 27001 compliance. OneUptime now runs fully on self-managed Kubernetes and Ceph with selective cloud use for backups, edge caching, and burst testing. ⚡ Quick Links The Adventures in DevOps podcast (Sponsor) We love TLDR, that's why we're sponsoring today 😀 If you want more of this, come listen to our deep dives on architecture, observability, product/leadership complexities, and of course AI/ML. 👉 Check out the latest episode! AWS Lambda increases maximum payload size from 256 KB to 1 MB for asynchronous invocations (2 minute read) AWS Lambda has increased the maximum payload size for asynchronous invocations from 256 KB to 1 MB, enabling developers to process richer and more complex event data without splitting or compressing it. Announcing more GitHub Copilot + New Relic AI integrations to boost developer productivity and experience (4 minute read) New Relic is expanding its GitHub integration with new AI-powered features, including automated vulnerability remediation and observability instrumentation, to boost developer productivity. Love TLDR? Tell your friends and get rewards! Share your referral link below with friends to get free TLDR swag! https://refer.tldr.tech/4e4d4102/10 Track your referrals here. Want to advertise in TLDR? 📰 If your company is interested in reaching an audience of devops professionals and decision makers, you may want to advertise with us. Want to work at TLDR? 💼 Apply here or send a friend's resume to jobs@tldr.tech and get $1k if we hire them! If you have any comments or feedback, just respond to this email! Thanks for reading, Kunal Desai & Martin Hauskrecht Manage your subscriptions to our other newsletters on tech, startups, and programming. Or if TLDR DevOps isn't for you, please unsubscribe.