Installing Altera Quartus on Fedora 20 64-bit:
$ ./setup.sh
You must have the 32-bit compatibility libraries installed for the Quartus II installer and software to operate properly.
Solution:
# yum install glibc.i686 libXext.i386 libX11.i386 libXau.i386 libXdmcp.i386 freetype.i386 fontconfig.i386 expat.i386