https://stondo.github.io/tags/linux/Recent content in Linux on Bits-EntangledHugo -- 0.157.0en-usTue, 25 Aug 2026 00:00:00 +0000https://stondo.github.io/posts/aios-three-node-agentic-coding-stack/Fri, 21 Aug 2026 00:00:00 +0000https://stondo.github.io/posts/aios-three-node-agentic-coding-stack/How I wired three GPU machines (2x RTX PRO 6000, RTX 5090, RTX 4080) into a single agentic coding stack: SGLang serving DeepSeek V4 Flash as the brain, a Qwen3.8 27B NVFP4 on the 5090 as the workhorse for subagents and vision, a custom chain-based router for failover and code exploration, and persistent agent memory across opencode, pi, and qwen CLI.https://stondo.github.io/posts/nvidia-peermem-gpudirect-rdma-dgx-spark/Mon, 23 Feb 2026 00:00:00 +0000https://stondo.github.io/posts/nvidia-peermem-gpudirect-rdma-dgx-spark/A detailed investigation into why nvidia_peermem refuses to load on HP ZGX Nano G1n (DGX Spark) systems, covering Secure Boot module signing, kernel source code analysis, the fundamental hardware limitation that makes GPUDirect RDMA impossible on DGX Spark / GB10 SoC, and the PCIe Gen5 x4 bandwidth bottleneck on the ConnectX-7 NICs.