This is only for the none GUI Hydra, I don't have a GUI in my box did not care for it.
It should also work on older Ubuntu.
sudo apt-get update
sudo apt-get install libssh-dev libidn11-dev libpcre3-dev libsvn-dev libfbclient2
tar -zxvf hydra-6.2-src.tar.gz
During the make install it will complain about GTK, this is a non GUI install so ignore the errors.
Your done! to run type: