Qpress is a fast compression tool. It isn’t in the Ubuntu repositories but it very easy to install. Download it from the website: http://www.quicklz.com/
You will notice that there is a download link near the bottom of the page for Linux 64 bit. Copy the binary to /usr/bin/qpress .
chmod 755 qpress
chown root:root qpress
To make it owned by root but it readable and executable by everyone.