This will encompass things that I find useful and end up looking up later when I haven't coded in a while.

File Operations

Chmod file

File.chmod(0600, file)

Resource: https://stackoverflow.com/questions/22707040/change-permissions-of-file-in-ruby

Move file without fileutils

File.rename source_path, target_path

Resource: https://stackoverflow.com/questions/403239/how-do-i-move-a-file-with-ruby

Fix extensions not built errors

Run this command:

gem pristine --all

Resource:
https://stackoverflow.com/questions/48339706/ignoring-gems-because-its-extensions-are-not-built