https://blog.davidv.dev/rss.xml Exploring software development, embedded systems, and homelab projects. http://www.rssboard.org/rss-specification python-feedgen https://blog.davidv.dev/images/logo.svg https://blog.davidv.dev/rss.xml en Tue, 16 Dec 2025 00:00:00 +0100 https://blog.davidv.dev/posts/postgres-extensions/ the dynamic linker is for the weak hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/postgres-extensions Tue, 16 Dec 2025 00:00:00 +0100 https://blog.davidv.dev/posts/postgres-library/ global state was a mistake hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/postgres-library Tue, 09 Dec 2025 00:00:00 +0100 https://blog.davidv.dev/posts/geo-distributed-blog/ Just needed to sell my soul to Jeff hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/geo-distributed-blog Thu, 30 Oct 2025 00:00:00 +0100 https://blog.davidv.dev/posts/trainmore-re/ modern solutions to problems that don't exist hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/trainmore-re Wed, 23 Jul 2025 00:00:00 +0200 https://blog.davidv.dev/posts/mobile-translator-ocr/ we have Google translate at home hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/mobile-translator-ocr Sat, 19 Jul 2025 00:00:00 +0200 https://blog.davidv.dev/posts/mobile-translator/ ...and losing my sanity along the way hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/mobile-translator Sun, 02 Feb 2025 00:00:00 +0100 https://blog.davidv.dev/posts/ipvs-lb/ eBPF fun for the whole family hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/ipvs-lb Mon, 30 Dec 2024 00:00:00 +0100 https://blog.davidv.dev/posts/abusing-firecracker/ Running VMs just because it's quick and easy hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/abusing-firecracker Tue, 01 Oct 2024 00:00:00 +0200 https://blog.davidv.dev/posts/booting-x86-64/ All I (now) know about booting x86-64 hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/booting-x86-64 Sun, 25 Aug 2024 00:00:00 +0200 https://blog.davidv.dev/posts/first-contact-with-k8s/ Key concepts & much deserved YAML ranting hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/first-contact-with-k8s Sat, 13 Jul 2024 00:00:00 +0200 https://blog.davidv.dev/posts/pcie-option-rom/ Getting the PCI adapter all the way to Linux hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/pcie-option-rom Tue, 04 Jun 2024 00:00:00 +0200 https://blog.davidv.dev/posts/pcie-driver-dma/ Creating a simple driver for a simple PCI-e device (in QEMU) hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/pcie-driver-dma Sat, 25 May 2024 00:00:00 +0200 https://blog.davidv.dev/posts/learning-pcie/ Creating a very simple PCI-e device in QEMU hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/learning-pcie Mon, 06 May 2024 00:00:00 +0200 https://blog.davidv.dev/posts/self-modifying-code-crashes/ Replacing vDSO entries on more architectures with a bang hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/self-modifying-code-crashes Thu, 28 Mar 2024 00:00:00 +0100 https://blog.davidv.dev/posts/exploring-hub75/ Driving a HUB75 display from ESP32 and RP2040 hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/exploring-hub75 Wed, 20 Mar 2024 00:00:00 +0100 https://blog.davidv.dev/posts/homelab-backup-lte-connection/ Setting up a wireguard backup tunnel over LTE hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/homelab-backup-lte-connection Fri, 15 Mar 2024 00:00:00 +0100 https://blog.davidv.dev/posts/minimizing-linux-boot-times/ Getting Linux to boot in 6ms hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/minimizing-linux-boot-times Mon, 05 Feb 2024 00:00:00 +0100 https://blog.davidv.dev/posts/cross-arch-nomad/ hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/cross-arch-nomad Sun, 12 Nov 2023 00:00:00 +0100 https://blog.davidv.dev/posts/spicing-up-a-robot-vacuum/ Playing sound on a robot vacuum hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/spicing-up-a-robot-vacuum Mon, 18 Sep 2023 00:00:00 +0200 https://blog.davidv.dev/posts/picopico-compiler-runtime/ hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/picopico-compiler-runtime Sun, 03 Sep 2023 00:00:00 +0200 https://blog.davidv.dev/posts/strict-mode-ansible/ Applying software-engineering practices to our IaC hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/strict-mode-ansible Sat, 19 Aug 2023 00:00:00 +0200 https://blog.davidv.dev/posts/rusts-default-in-python/ Implementing recursive defaults for dataclasses with dacite hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/rusts-default-in-python Fri, 18 Aug 2023 00:00:00 +0200 https://blog.davidv.dev/posts/cursing-a-process-vdso-for-time-hacking/ Replacing time-related vDSO entries at runtime hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/cursing-a-process-vdso-for-time-hacking Wed, 30 Nov 2022 00:00:00 +0100 https://blog.davidv.dev/posts/pico8-console-part-2-performance/ Improving the performance of my RP2040 based Pico-8 handheld console hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/pico8-console-part-2-performance Mon, 25 Jul 2022 00:00:00 +0200 https://blog.davidv.dev/posts/making-a-handheld-pico8-console-part-1/ Building a RP2040 based Pico-8 handheld console hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/making-a-handheld-pico8-console-part-1 Sun, 24 Jul 2022 00:00:00 +0200 https://blog.davidv.dev/posts/measuring-keyboard-to-display-latency/ hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/measuring-keyboard-to-display-latency Sat, 09 Jul 2022 00:00:00 +0200 https://blog.davidv.dev/posts/building-a-gtk-based-mobile-app/ Learning GTK to build a mobile hackernews app, with ad-blocker and reader mode hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/building-a-gtk-based-mobile-app Sat, 17 Apr 2021 00:00:00 +0200 https://blog.davidv.dev/posts/docker-based-images-on-baremetal/ The process behind creating multiple flash-able OS disk images from Dockerfiles and swapping between them on the host hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/docker-based-images-on-baremetal Sat, 23 Jan 2021 00:00:00 +0100 https://blog.davidv.dev/posts/building-an-mqtt-client-for-the-kindle/ The never-ending rabbit hole I found while trying to build a simple MQTT client for the kindle hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/building-an-mqtt-client-for-the-kindle Thu, 07 Jan 2021 00:00:00 +0100 https://blog.davidv.dev/posts/cross-compiling-for-openwrt-platforms/ hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/cross-compiling-for-openwrt-platforms Wed, 30 Dec 2020 00:00:00 +0100 https://blog.davidv.dev/posts/reverse-engineering-the-bose-qc35-bluetooth-protocol/ hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/reverse-engineering-the-bose-qc35-bluetooth-protocol Fri, 10 Jan 2020 00:00:00 +0100 https://blog.davidv.dev/posts/creating-a-golden-centos-image/ How to create a flash-able CentOS disk image hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/creating-a-golden-centos-image Tue, 24 Dec 2019 00:00:00 +0100 https://blog.davidv.dev/posts/flashing-linux-disk-images-from-an-initramfs/ What is involved in flashing a disk image over PXE, includes grub, kernel, initrd and disk expansion hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/flashing-linux-disk-images-from-an-initramfs Sun, 22 Dec 2019 00:00:00 +0100 https://blog.davidv.dev/posts/revamping-an-old-tv-as-a-gift/ Putting a raspberry pi in a 60's CRT for a gift hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/revamping-an-old-tv-as-a-gift Mon, 14 Oct 2019 00:00:00 +0200 https://blog.davidv.dev/posts/bookworm---utility-to-download-books-via-irc/ Developing a tool to download e-books hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/bookworm---utility-to-download-books-via-irc Sun, 13 Oct 2019 00:00:00 +0200 https://blog.davidv.dev/posts/bsd-inspired-network-setup/ I replaced my home dnsmasq with nsd, unbound and dhcpd for a more reliable environment. hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/bsd-inspired-network-setup Sun, 22 Sep 2019 00:00:00 +0200 https://blog.davidv.dev/posts/messing-up-backups/ Never try to restore backups when sleep deprived hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/messing-up-backups Sun, 04 Aug 2019 00:00:00 +0200 https://blog.davidv.dev/posts/simplifying-the-iot-frameworks-api/ A small refactor in my IOT framework with the goal of simplifying the API hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/simplifying-the-iot-frameworks-api Thu, 11 Jul 2019 00:00:00 +0200 https://blog.davidv.dev/posts/logging-and-remote-debugging-on-the-iot-house/ hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/logging-and-remote-debugging-on-the-iot-house Sat, 06 Jul 2019 00:00:00 +0200 https://blog.davidv.dev/posts/extending-the-capabilities-of-dumb-devices/ Hooking non-smart devices into the house automation framework hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/extending-the-capabilities-of-dumb-devices Sat, 06 Jul 2019 00:00:00 +0200 https://blog.davidv.dev/posts/automated-debian-install/ Fully automated debian vm creation hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/automated-debian-install Sun, 30 Jun 2019 00:00:00 +0200 https://blog.davidv.dev/posts/integrating-a-kindle-into-house-automation/ hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/integrating-a-kindle-into-house-automation Sat, 15 Dec 2018 00:00:00 +0100 https://blog.davidv.dev/posts/rewriting-history-on-firefox-to-get-reddits-old-ui-back/ hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/rewriting-history-on-firefox-to-get-reddits-old-ui-back Sun, 18 Nov 2018 00:00:00 +0100 https://blog.davidv.dev/posts/ota-updates-for-the-iot-house/ hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/ota-updates-for-the-iot-house Thu, 09 Aug 2018 00:00:00 +0200 https://blog.davidv.dev/posts/iot-house-with-sonoff-and-micropython/ hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/iot-house-with-sonoff-and-micropython Mon, 06 Aug 2018 00:00:00 +0200 https://blog.davidv.dev/posts/network-update-part-3-network-segregation/ hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/network-update-part-3-network-segregation Sun, 20 May 2018 00:00:00 +0200 https://blog.davidv.dev/posts/network-update-part-2-monitoring-the-network-with-netflow-influxdb-and-grafana/ hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/network-update-part-2-monitoring-the-network-with-netflow-influxdb-and-grafana Sat, 19 May 2018 00:00:00 +0200 https://blog.davidv.dev/posts/3d-printer-woes/ hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/3d-printer-woes Wed, 02 May 2018 00:00:00 +0200 https://blog.davidv.dev/posts/network-update-part-1-custom-router-with-espressobin/ hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/network-update-part-1-custom-router-with-espressobin Mon, 30 Apr 2018 00:00:00 +0200 https://blog.davidv.dev/posts/hacking-the-hg659/ hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/hacking-the-hg659 Sat, 10 Mar 2018 00:00:00 +0100 https://blog.davidv.dev/posts/gpu-passthrough-in-debian/ hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/gpu-passthrough-in-debian Tue, 27 Feb 2018 00:00:00 +0100 https://blog.davidv.dev/posts/debian-stretch-headless-install/ hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/debian-stretch-headless-install Sat, 24 Feb 2018 00:00:00 +0100 https://blog.davidv.dev/posts/meta-blogging/ hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/meta-blogging Thu, 17 Aug 2017 00:00:00 +0200 https://blog.davidv.dev/posts/good-luck-im-behind-4-reverse-proxies/ hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/good-luck-im-behind-4-reverse-proxies Thu, 29 Jun 2017 00:00:00 +0200 https://blog.davidv.dev/posts/nginx-caching-and-x-accel-redirect/ hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/nginx-caching-and-x-accel-redirect Thu, 29 Jun 2017 00:00:00 +0200 https://blog.davidv.dev/posts/patching-over-backblazes-b2-lack-of-cors/ hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/patching-over-backblazes-b2-lack-of-cors Mon, 03 Apr 2017 00:00:00 +0200 https://blog.davidv.dev/posts/backups-backups-backups/ hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/backups-backups-backups Thu, 23 Feb 2017 00:00:00 +0100 https://blog.davidv.dev/posts/migrating-single-disk-to-raid1-on-debian/ hello@davidv.dev (David Ventura) https://blog.davidv.dev/posts/migrating-single-disk-to-raid1-on-debian Wed, 19 Oct 2016 00:00:00 +0200