Installing jpegtran in Ubuntu 10.10 (a.k.a. Oneiric Ocelot)
To install jpegtran in the Ubuntu 10.10 Linux distribution, you can run the following command in a terminal window/shell
sudo apt-get install libjpeg-progs
jpegtran allows lossless rotation of JPEG images. For example, you can losslessly rotate an image 90° counterclockwise by running:
jpegtran -rotate 270 input.jpg > output.jpg
Or you can losslessly rotate an image 90° clockwise by running:
jpegtran -rotate 90 input.jpg > output.jpg
