Robert Hargreaves https://blog.roberthargreaves.com/ Tue, 10 Mar 2026 22:11:15 +0000 Tue, 10 Mar 2026 22:11:15 +0000 Jekyll v4.4.1 Running LLMs on Proxmox VE with GPU pass-through Hosting local LLMs in isolation has never been easier with virtualisation and GPU pass-through Tue, 10 Mar 2026 22:00:00 +0000 https://blog.roberthargreaves.com/2026/03/10/local-llm-proxmox-ollama-open-webui https://blog.roberthargreaves.com/2026/03/10/local-llm-proxmox-ollama-open-webui Proxmox VE ollama Open WebUI LLM AI Building an HTTP/2 server in C++ and hosting my site with it Learning HTTP/2 & C++23, protecting against HTTP/2 attacks, hardening the binary & container and exploring hosting options Sat, 03 Jan 2026 09:00:00 +0000 https://blog.roberthargreaves.com/2026/01/03/building-hosting-ion-http2-server https://blog.roberthargreaves.com/2026/01/03/building-hosting-ion-http2-server HTTP/2 C++ Linux Containers Cloudflare bunny.net Google Cloud Development Debugging eBPF verification errors eBPF verifier errors are verifiably verbose Mon, 01 Sep 2025 09:00:00 +0000 https://blog.roberthargreaves.com/2025/09/01/ebpf-verification https://blog.roberthargreaves.com/2025/09/01/ebpf-verification Linux eBPF Security C Development Implementing port knocking with eBPF No Toon can resist the old 'shave and a haircut'... Mon, 18 Aug 2025 09:00:00 +0000 https://blog.roberthargreaves.com/2025/08/18/ebpf-knock-knock https://blog.roberthargreaves.com/2025/08/18/ebpf-knock-knock Linux eBPF Networking Security C Development SRAM & Bank Switching with the Everdrive Pro, X-series Accessing SRAM with the Everdrive Pro and X-series requires a different approach when using the SSF mapper Mon, 10 Mar 2025 09:00:00 +0000 https://blog.roberthargreaves.com/2025/03/10/sram-and-everdrives https://blog.roberthargreaves.com/2025/03/10/sram-and-everdrives Mega Drive C Development Detecting Mega Everdrive Models In order to handle differences between the Pro and X-series Wed, 05 Feb 2025 09:00:00 +0000 https://blog.roberthargreaves.com/2025/02/05/detecting-mega-everdrive-models https://blog.roberthargreaves.com/2025/02/05/detecting-mega-everdrive-models Mega Drive C Development Continuous Delivery on the Sega Mega Drive Using modern techniques to aid development on the Sega Mega Drive Sat, 28 Dec 2019 09:00:00 +0000 https://blog.roberthargreaves.com/2019/12/28/continuous-delivery-on-the-sega-mega-drive https://blog.roberthargreaves.com/2019/12/28/continuous-delivery-on-the-sega-mega-drive C GCC TDD CI/CD Mega Drive Development GCC's got my back You don't have to be a great C programmer to produce optimal code. That's good! Fri, 27 Dec 2019 09:00:00 +0000 https://blog.roberthargreaves.com/2019/12/27/gcc-got-my-back https://blog.roberthargreaves.com/2019/12/27/gcc-got-my-back C GCC Motorola 68000 Development Phonon 4000 Headphone Refactoring Fixing the classic plug/cable/headphone coupling anti-pattern Tue, 02 Jan 2018 18:00:00 +0000 https://blog.roberthargreaves.com/2018/01/02/phonon-4000-headphone-refactoring https://blog.roberthargreaves.com/2018/01/02/phonon-4000-headphone-refactoring Audio Hardware Hardware OAuth 1.0 Signature Validation in Fastly VCL Making use of Fastly's VCL cryptographic functions to validate OAuth 1.0 signatures on the edge. Sun, 16 Jul 2017 18:00:00 +0000 https://blog.roberthargreaves.com/2017/07/16/oauth-validation-in-fastly https://blog.roberthargreaves.com/2017/07/16/oauth-validation-in-fastly Fastly VCL Varnish Development Development