How to resize images from the command line on linux (Ubuntu) using imagemagick.
Install imagemagick :
sudo apt-get install imagemagick
Create a directory in the location named “
resized-pictures” as follows :
$ mkdir resized-pictures
Now run the
mogrify command from the same location.
$ mogrify -path ./resized-pictures/ -resize 800x600 *.jpg
Now, you can resize all images in folder do you like..