Installing ROOT on your laptop: Difference between revisions

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1. Look at the pre-requisites on the [https://root.cern.ch/build-prerequisites CERN website]
1. Look at the pre-requisites on the [https://root.cern/install/dependencies/ CERN website]
:For '''ubuntu''', you need to do:
:For '''ubuntu''', you need to do:
<pre>sudo apt-get install dpkg-dev cmake g++ gcc binutils libx11-dev libxpm-dev libxft-dev libxext-dev python3 libssl-dev </pre>
<pre>sudo apt-get install dpkg-dev cmake g++ gcc binutils libx11-dev libxpm-dev libxft-dev libxext-dev python3 libssl-dev </pre>
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:b. Under '''Binary distributions''' (ie already compiled for a specific platform), download the tar.gz file appropriate to your platform
: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 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]).


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3. Extract the compressed tarball:
3. Extract the compressed tarball:
tar xzf root_v6.06.02.Linux-ubuntu14-x86_64-gcc4.8.tar.gz
<pre> tar xzvf root_v6.30.06.Linux-ubuntu22.04-x86_64-gcc11.4.tar.gz </pre>
:This should create a directory called root. You can move this directory wherever you want.
:This should create a directory called root. You can move this directory wherever you want.


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4. To use RooT, you need to source the script '''thisroot.sh''' available in root/bin.
4. To use ROOT, you need to source the script '''thisroot.sh''' 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):
: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
  # Enabling RooT

Latest revision as of 09:07, 5 April 2024

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

For ubuntu, you need to do:
sudo apt-get install dpkg-dev cmake g++ gcc binutils libx11-dev libxpm-dev libxft-dev libxext-dev python3 libssl-dev 
and I strongly suggest installing the optionnal packages too:
sudo apt-get install gfortran libpcre3-dev xlibmesa-glu-dev libglew-dev libftgl-dev libmysqlclient-dev libfftw3-dev libcfitsio-dev graphviz-dev libavahi-compat-libdnssd-dev libldap2-dev python3-dev python3-numpy libxml2-dev libkrb5-dev libgsl0-dev qtwebengine5-dev nlohmann-json3-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



3. Extract the compressed tarball:

 tar xzvf root_v6.30.06.Linux-ubuntu22.04-x86_64-gcc11.4.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 thisroot.sh 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/thisroot.sh


Et Voila !