tag
Raspberry Pi
7 posts
How to Check KVM Is Enabled on Raspberry Pi 5 (/dev/kvm, lsmod, dmesg)
Three commands confirm your host can run accelerated VMs — and one of them returns nothing on a Raspberry Pi, for a reason that confuses a lot of people.
Installing the KVM Stack on Raspberry Pi OS: What Each Package Does
Nine packages, three layers. Then virt-host-validate reports four warnings and three failures on a healthy system — here's how to triage every line.
Fixing virt-install on arm64: Security Violation, dnsmasq Port 53, and the qemu:///session Trap
Four failures stand between a correct virt-install command and a booting arm64 guest. None of them are documented well, and the error messages point away from the causes.
virt-install Explained: Every Flag for an arm64 Guest
Twelve flags look like a lot to memorize. They're answers to seven questions — and once you know the questions, you can write the command for any guest from scratch.
Creating Robust systemd Services for Embedded ApplicationsTutorial
A practical beginner's guide to writing systemd service files for embedded Linux — covering auto-start, restart policies, dependency ordering, environment variables, and production-grade logging for applications that need to run unattended in the field.
Deploying Production Systems on Raspberry Pi: Lessons from the FieldLessons Learned
SD card corruption, thermal throttling, power supply quality, clock sync failures, and watchdog timers — the specific failures I ran into deploying Pis in production and exactly what fixed them.
Python vs C++ for Embedded Systems: When to Use EachComparison
A practical comparison of Python's rapid prototyping capabilities against C++'s bare-metal performance for embedded applications — covering real-time systems, MicroPython, hybrid architectures, and a decision framework to help you choose the right tool for every layer of your project.