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h1. !install.png! Installing the Software With the GUI Installer

Sun Grid Engine 6.2u2 comes with a new GUI installer to simplify the installation process. The GUI installer enables you to easily install a whole cluster interactively. To install a cluster, you need to set up the environment in a similar way to an automatic installation.

h3. Requirements
* The GUI installer requires at least Version 5 of the Java™ platform.
* Screen resolution of 1024x768 or larger.
* (Optional) Password-less {{ssh}} or {{rsh}} access as {{root}} user to all remote hosts that you want to install. If this requirement is not met you can only install Grid Engine components on a local host. For more information, see [How to Configure Password-less Access for the root User]. You can still use the GUI installer by starting it locally from each remote host.

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# Start the installer as {{root}} user.
# Ensure that you start the installation from the qmaster host when password-less {{root}} access is available.
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For information on installation modes supported by the Sun Grid Engine 6.2u2 GUI installer, see these topics:

||Topic||Description||
|[Express Installation]|Enables first-time users to install the software easily. Provides a significantly reduced set of parameters that need to be configured. Requires password-less {{ssh}} access as {{root}} user to all remote hosts that you want to install.|
|[Custom Installation]|Enables you to configure almost all existing options that are available during the command-line installation. Offers more advanced features for the cluster host selection. Requires password-less {{ssh}} or {{rsh}} access as {{root}} user to all remote hosts that you want to install.|

For additional reference information, see these topics:

||Topic||Description||
|[How to Configure Password-less Access for the root User]| Procedure for configuring a password-less {{ssh}} or {{rsh}} access for the root user to install a whole Sun Grid Engine (SGE) cluster by using the GUI Installer.|
|[Understanding Host and Installation States]| Describes the different installation states that you might encounter while using the GUI installer.|
|[Tweaking start_gui_installer]| Describes the command-line options of the {{start_gui_installer}} command and how to use them to fine tune the performance of the installer.|
|[Troubleshooting the GUI Installer]| Contains known issues and their workarounds.|
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*Learn More*
For more on this topic, check out the following resources:
* Expert Advice -- [Video: Introduction to Grid Engine|http://www.youtube.com/watch?v=0JBsMitNnQ8]
* Expert Advice -- [White Paper: Beginner's Guide to Sun Grid Engine|http://www.sun.com/offers/details/Sun_Grid_Engine_62_install_and_config.html]
(If you are not already registered with sun.com, you must fill out a
quick registration form to gain access to this white paper.)
* Expert Advice -- [Podcast: Towards Cloud Computing with Sun Grid Engine 6.2|http://blogs.sun.com/HPC/entry/podcast_towards_cloud_computing_with]
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