Install jpegoptim from source

jpegoptim is an open source jpeg image optizer. You can download it from

https://github.com/tjko/jpegoptim

To instll it, download latest version from

https://github.com/tjko/jpegoptim/releases

For version 1.4.6, run

cd /usr/local/src
wget https://github.com/tjko/jpegoptim/archive/RELEASE.1.4.6.tar.gz -O jpegoptim.tar.gz
tar xvf jpegoptim.tar.gz
cd jpegoptim-RELEASE.1.4.6/
./configure
make
make install