To mass resize image files, you need ImageMagick
yum install ImageMagick
To resize:
cd image-folder/ mogrify -resize 800px *.jpg
Note: 800px is the width, it’ll keep the aspect ratio of the image

To mass resize image files, you need ImageMagick
yum install ImageMagick
To resize:
cd image-folder/ mogrify -resize 800px *.jpg
Note: 800px is the width, it’ll keep the aspect ratio of the image