Installing Xilinx ISE WebPack 11.1 under Ubuntu 9.10
This is a short how to install Xilinx ISE Webpack 11.1 / 11.3 under Ubuntu 9.10. Start by downloading the installation files from "Xilinx Download". The file is 2.67 GB, and Xilinx requires you to have a free account in order to download the file.
Untar the file
tar -xf Xilinx_11.1_WebPack_SFD.tar
and install
sudo mkdir /home/Xilinx/
sudo chmod 777 /home/Xilinx/
cd Xilinx_11.1_WebPack_SFD
./xsetup
Set the installation path to /home/Xilinx/, and follow the installation process.
When the installation is done, you will be asked for a license. Select "Start ISE WebPack" and click next and follow the instructions on the website. When the license is installed, close the browser window and the Xilinx License Configuration Manager.
The installer will ask for installation of updates. This is advisable, but it is imo easier to download the update files from Xilinx homepage. Go to download and "Software Updates".
Untar the file
tar -xf Xilinx_11.4_ISE_DS_lin.tar
and install
cd Xilinx_11.4_ISE_DS_lin
./xsetup
You are now ready to go, by running
/home/Xilinx/11.1/ISE/bin/lin/ise