Installing ISE 14.7 for my installation of Fedora:
tar xvf Xilinx_ISE_DS_14.7_1015_1-1.tar ln -s /usr/lib64/libncurses.so.6.5 libncurses.so.5 ./xsetup
Install the WebPack version to "/home/monospod/.local/share/Xilinx".
~/.bashrc.d/xilinx.rc:
alias xilinx="(. ~/.local/share/Xilinx/14.7/ISE_DS/settings64.sh &> /dev/null; ise)"