raspberry

PiKVM using a Raspberry Pi Zero 2W

    

My new OpenBSD server / toy is a fanless barebone that is supposed to be connected to an HDMI monitor and a USB keyboard. The serial console port is only available since OpenBSD boots. So I decided to assemble a KVM using a Raspberry Pi Zero and the PiKVM software to be able to gain full access to the BIOS and bootloader via the network.

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Raspberry Pi 4 doing domotics

    

I already run Domoticz using a Synology package and a couple of docker containers. But this is complicated to maintain. And the Syno App doesn’t seem to be updated frequently. Not being said the management of the USB sticks is quite random. So I decided to get myself a Raspberry Pi 4 and run everything from there.

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Running OpenBSD on Raspberry Pi 3

    

Step 1 was getting my hands on Raspbian. Step 2 was running OpenBSD on the Raspberry Pi 3 Model B. I had quite a few try & fails but it booted, installed and ran properly in the end. Full story follows.

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Access Raspberry Pi 3 UART Console on MacOS

    

Raspberry Pi can be used with a prepared OS, booted up and just used. But when it comes to customising or doing something else than what was planned, you may need to use the console. And that requires a TTL adapter connected to the GPIO. The thing is, using MacOS is not as straightforward as I thought. So here are my notes.

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