Installing RooT on your laptop

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1. Look at the pre-requisites on the CERN website

For ubuntu, you need to do:
sudo apt-get install git dpkg-dev make g++ gcc binutils libx11-dev libxpm-dev libxft-dev libxext-dev 
and I strongly suggest installing the optionnal packages too:
sudo apt-get install gfortran libssl-dev libpcre3-dev xlibmesa-glu-dev libglew1.5-dev libftgl-dev \
libmysqlclient-dev libfftw3-dev cfitsio-dev graphviz-dev libavahi-compat-libdnssd-dev libldap2-dev python-dev libxml2-dev libkrb5-dev \
libgsl0-dev libqt4-dev

2. Download the latest release from the CERN download page

a. Click on the latest release
b. Under Binary distributions (ie already compiled for a specific platform), download the tar.gz file appropriate to your platform
  • To get your ubuntu version, type cat /etc/lsb-release in a terminal
  • To get you gcc version, type gcc --version. Your release number need to be the mentioned one (whatever the minor version is, ie like 4.8[.1]).

3. Extract the compressed tarball:

tar xzf root_v6.06.02.Linux-ubuntu14-x86_64-gcc4.8.tar.gz
This should create a directory called root. You can move this directory wherever you want.

4. To use RooT, you need to source the script available in root/bin.

To make root available anytime from your terminal, edit your .bashrc file, and add the following line at the end (replace ~/root with where you put the extracted directory):
# Enabling RooT
source ~/root/bin/

Et Voila !