Emacs27 on macOS - Now (Again❓) With Emoji!‼️

I have been refreshing my emacs config as part of i-dotfiles, and had made a note to add emoji support. After googling, I remembered emacs maintainers intentionally disabled multi-color font support used in macOS for native emoji support. Then, a git commit Update multicolor font support status in Sacha Chua’s 2019-04-29 Emacs news surfaced. Using company-emoji and the re-enabled upstream support, emojis are back in Emacs27.

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Creating a microSD Ubuntu Mint (Cinnamon) Boot Drive for new Atomic Pi

I have recently received an Atomic Pi from its Kickstarter. And while the pre-installed Lubuntu image was adequate, I wanted to try something more mainstream and also see if I could recreate the Linux hardware support for GPIO and other items on its Kickstarter associated breakout board.

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Switching to straight.el from Emacs 26 builtin package.el

On switching to straight.el from Emacs 26 builtin package.el

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Siri Shortcut Controlled IR Remote for Home Receiver Using a Raspberry Pi

In my HomeKit™ household, one missing piece was turning on/off AV receiver, as the receiver only had an infrared remote control (no network connection). Since there was already a Raspberry Pi connected nearby (used for AirPlay® playback), a solution presented itself. Using some additional hardware I had available, there is even a way to control the receiver with Siri® shortcuts.

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Revisiting Homekit USB Webcam on Raspberry Pi 3

On home HomeKit setup, some homebridge plugins (Nest, WeMo) needed updating. And flaky webcam performance needed addressing. It was also time to update the node.js install. Got it all completed.

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Kubernetes 1.11 on Ubuntu 18.04 bare-metal single host

My Kubernetes 1.10 home cluster went down after some system updates and I couldn’t bring it back. It looked like incompatible kubelet versions and kubernetes tools updating underneath it from 1.10 to 1.11 was at least part of the problem alongside a docker upgrade. So I brought it back up quickly again using kubeadm, as described below.

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Compiling and Installing Python 3.7 on Raspberry Pi Running Raspbian Stretch

Python3.7 final has been released near end of June 2018. Here are the instructions on how to build from source on a Raspberry Pi running Raspbian stretch.

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Adding MathJAX with LaTeX and MathML support to Jekyll

Pages, Numbers, and Keynote gots updates today with LaTeX and MathML support, and it reminded me that I wanted to add to my blog here. I always wanted to do this ever since I saw what was I think Dr. Drang’s MathJax post. Enter MathJax! Powered by MathJax>

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