Find code and diagrams at:
https://www.EliTheComputerGuy.comJpegoptim allows you to compress/optimize image files from the command line in linux.
WARNING: by default Jpegoptim modifies the source file
JpegOptim:
https://www.mankier.com/1/jpegoptimInstall Jpegoptim on Ubuntu
sudo apt-get install jpegoptim
Resize Image (overwrites source)
jpegoptim --size=50k image.jpg
Saves Converted Image into Different Folder
jpegoptim --size=50k --dest=outputFolder image.jpg
Overwrites Files on Output Folder
jpegoptim --size=100k --dest=outputFolder -o image.jpg
Resize Multiple Images at Once
jpegoptim --size=50k image1.jpg image2.jpg image3.jpg
...
https://www.youtube.com/watch?v=bglnWZGivf8