Downloading the Geant4 package
From UCL HEP PBT Wiki
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<span style="color:#ff0000"> NOTE: To install these additional libraries ensure you are using the terminal as a root user. If using a UCL computer, these libraries should already be installed and you can skip to the | <span style="color:#ff0000"> NOTE: To install these additional libraries ensure you are using the terminal as a root user. If using a UCL computer, these libraries should already be installed and you can skip to the | ||
next page. If these libraries are not installed contacted your system administrator for help.</span> | next page. If these libraries are not installed contacted your system administrator for help.</span> | ||
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'''How to use terminal as root user''' | '''How to use terminal as root user''' | ||
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Open a command terminal (as shown on the previous page) and type | Open a command terminal (as shown on the previous page) and type | ||
'''“su”''' into the command terminal. | '''“su”''' into the command terminal. | ||
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You will then be prompted to enter a password. Please enter the root password that you set up | You will then be prompted to enter a password. Please enter the root password that you set up | ||
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appearing on the screen. THIS '''IS NORMAL'''. When you have entered your password, press the | appearing on the screen. THIS '''IS NORMAL'''. When you have entered your password, press the | ||
return key. You should now be presented with the line: | return key. You should now be presented with the line: | ||
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<pre style="color: #800000; background-color: #dcdcdc"> | <pre style="color: #800000; background-color: #dcdcdc"> | ||
[root@localhost your_name]# | [root@localhost your_name]# | ||
</pre> | </pre> | ||
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The first set of libraries you will need to install are the '''expat''' libraries. This library | The first set of libraries you will need to install are the '''expat''' libraries. This library | ||
resolves '''XML''' files. To install these libraries type the command | resolves '''XML''' files. To install these libraries type the command | ||
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<pre style="color: #800000; background-color: #dcdcdc"> | <pre style="color: #800000; background-color: #dcdcdc"> | ||
sudo yum install expat* | sudo yum install expat* | ||
</pre> | </pre> | ||
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The * makes sure that all libraries with the word “expat” are installed. When prompted to type Y or | The * makes sure that all libraries with the word “expat” are installed. When prompted to type Y or | ||
N, type '''Y''' followed by the '''return''' key. | N, type '''Y''' followed by the '''return''' key. | ||
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You will now need to install the mesa libraries. These libraries contain the visualiser '''OpenGL''' | You will now need to install the mesa libraries. These libraries contain the visualiser '''OpenGL''' | ||
To install these libraries type the command: | To install these libraries type the command: | ||
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<pre style="color: #800000; background-color: #dcdcdc"> | <pre style="color: #800000; background-color: #dcdcdc"> | ||
sudo yum install mesa* | sudo yum install mesa* | ||
</pre> | </pre> | ||
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You will finally need to install the library '''cmake'''. This library allows you to build and run Geant4 simulations. Type the command | You will finally need to install the library '''cmake'''. This library allows you to build and run Geant4 simulations. Type the command | ||
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<pre style="color: #800000; background-color: #dcdcdc"> | <pre style="color: #800000; background-color: #dcdcdc"> | ||
sudo yum install cmake | sudo yum install cmake | ||
</pre> | </pre> |