- download haskell platform
wget https://www.haskell.org/platform/download/2014.2.0.0/haskell-platform-2014.2.0.0-unknown-linux-x86_64.tar.gz
- install haskell
cd /
sudo tar xvf PATH_DOWNLOADED_ZIP_FILE
sudo /usr/local/haskell/ghc-7.8.3-x86_64/bin/activate-hs