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= TRex Plug-In Installation via the Update Site =

''Note: this page is a little bit outdated, as it refers to the old update manager of Eclipse. 
Since Eclipse 3.4, the provisioning system Equinox/p2 has been introduced. (However, the old update manager
may still be available.) The screenshots below refer to the old update manager. Furthermore, some of the links to 
the TRex update sites given below may by outdated. Please refer to the [wiki:Download Download] page for the URLs of supported TRex update sites.''



On this page, we describe how you can install a TRex nightly build or an official release via one of the update sites.


Check on the [wiki:Features Features and Requirements page] that you meet all the requirements you need to run TRex.

NB: If your internet access is provided through a proxy service you will need to configure Eclipse to use this. You may find instructions for doing so [wiki:EclipseProxy here]

In the first step, start your Eclipse 3.2 workbench. 

[[Image(htdocs:install/trexinstall001.jpg)]]  

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Select Help->Software Updates->Find and Install... from the workbench menu.

[[Image(htdocs:install/trexinstall002.jpg)]]

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A dialog opens. Select "Search for new features to install" and click "next".

[[Image(htdocs:install/trexinstall003.jpg)]]

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A dialog containing the update site configuration opens. The TRex update site must be added to this list now. Click "New Remote Site...".

[[Image(htdocs:install/trexinstall006.jpg)]]
  
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The "New Update Site" dialog opens where the server data should be entered. Do not enter the data as shown in the screenshot! The URL for the nightly build update site is http://www.trex.informatik.uni-goettingen.de/nightly/ . The URL for the update site with the more stable releases is http://www.trex.informatik.uni-goettingen.de/update/ .
Click "OK". Make sure, the entry for TRex update site is checked and and click "Finish".

[[Image(htdocs:install/trexinstall007.jpg)]]  

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In the search results, select the latest TRex Feature (at time of writing it is TRex 0.5.1.xxx) and click "Next".

[[Image(htdocs:install/trexinstall009.jpg)]]  

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In the next dialog, accept the license terms (if you do actually ;-)) and click "Next".

[[Image(htdocs:install/trexinstall010.jpg)]]  

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Now, Eclipse shows you the features to install.

(Note: you need write 
permissions for the install location. If you want to use a different install location
where you have write permissions, click on "Change Location ...". For more information
on handling and creating install locations for Eclipse plugins, see
http://www-128.ibm.com/developerworks/library/os-ecl-manage/ )

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Click "Finish" and "Install All" in the next dialogs. 

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[[Image(htdocs:install/trexinstall011.jpg)]]  

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[[Image(htdocs:install/trexinstall012.jpg)]]  

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Afterwards, restart the Eclipse workbench. TRex should be successfully installed now.