zmwangx
/ # macOS release checksums
Last active
February 8, 2020 02:33
macOS / OS X installer checksums. When I don't have a particular image, I filled as many fields as possible with data from https://github.com/notpeter/apple-installer-checksums and/or https://github.com/drduh/macOS-Security-and-Privacy-Guide/blob/master/InstallESD_Hashes.csv. A list of build numbers can be found in the Apple Support article http…
lelandbatey
/ whiteboardCleaner.md
Last active
April 25, 2024 02:01
Whiteboard Picture Cleaner - Shell one-liner/script to clean up and beautify photos of whiteboards!
This simple script will take a picture of a whiteboard and use parts of the ImageMagick library with sane defaults to clean it up tremendously.
The script is here:
#!/bin/bash
convert "$1" -morphology Convolve DoG:15,100,0 -negate -normalize -blur 0x1 -channel RBG -level 60%,91%,0.1 "$2"