Linux terminal

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Now that the package has been fully unzipped you will need to to open a Linux Terminal. You can do this by using the Linux menu system: Applications > Sytem Tools > Terminal

Installing libraries

ONLY CARRY OUT THIS PAGE IF YOU CAN GET ROOT ACCESS

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.

How to use terminal as root user

Open a command terminal (as shown on the previous page) and type “su” into the command terminal.

You will then be prompted to enter a password. Please enter the root password that you set up when you installed linux. When you type the password you will not see any new characters 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:

[root@localhost your_name]#

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

sudo yum install expat*

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.

You will now need to install the mesa libraries. These libraries contain the visualiser OpenGL To install these libraries type the command:

sudo yum install mesa*

You will finally need to install the library cmake. This library allows you to build and run Geant4 simulations. Type the command

sudo yum install cmake
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