Author's posts
Aug 08 2021
Verifying File Hashes with PowerShell
I recently wanted to verify the hash of a file, named setup.exe, that was provided in a GnuPG signature file, named setup.txt. I used the PowerShell code below to verify the expected SHA-256 hash contained within the setup.txt file against the actual hash of the setup.exe file. You can use this script by modifying the …
Sep 06 2020
Run Azure PowerShell in a Docker Container
You can run the latest image version of using the following command: You can also run a specific version of Azure PowerShell using the following command: If you want to just download and pull the images from the official Microsoft Container Registry (MCR) you can just run the docker pull commands. Pull a specific version …
Jul 01 2020
Jupyter Notebooks, Windows, and WSL
https://www.pugetsystems.com/labs/hpc/How-To-Run-Remote-Jupyter-Notebooks-with-SSH-on-Windows-10-1477/ https://www.reddit.com/r/bashonubuntuonwindows/comments/c24p27/wsl2_cant_connect_to_jupyter_notebook/ https://stackoverflow.com/questions/42848130/why-i-cant-access-remote-jupyter-notebook-server
Jun 28 2020
eBike Information
Higher Voltage Battery = More Speed1 Higher Ah (i.e. amp hours = capacity) Battery = More Range1 The controller needs to be able to handle the higher voltage. Check your controller to find out what its max is.1 48V x 14 Ah = 672 Wh (watt hours)1 On a bicycle, the cogset or cluster[1] is the set of multiple sprockets that …