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Making a custom PCB ornament

I decided this year to make an ornament for our tree. The timing coincided with a creative itch and a business need to actually go through the process of printed circuit board (PCB) design and manufacturing, so I thought I’d make a little tree gadget.

Legacy SSH key configuration for DOS

As part of my deep dive into retro computing, I’ve recently had to figure out some SSH configuration in order for older DOS-based computers to be able to connect and authenticate. This is a summary of what I found out, since I had to puzzle my way through this and couldn’t find any info already online about it.

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