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| Note |
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Setting up your own gateway to the grid is beyond the scope of this write-up. It involves installing and configuring the Virtual Data Toolkit (VDT) , installing a host certificate for the gateway machine, etc. For an administrative guide see the Fermi Grid web page. |
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Setup and Configuration
Kerberos
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Fermilab uses Kerberos for external authentication. This section assumes that you have a Fermilab Kerberos principal. Follow these instructions if you need an account at Fermilab and are authorized to obtain one.
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Now you should be able to connect to the ilcsim node.
| No Format |
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ssh ilcsim |
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Running from an External Site
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If you want to use a grid-enabled node outside Fermilab, you may only need to add a single configuration file containing submit jobs from a node other than ILCSIM, the ilc VOMS server information needs to be explicitly provided.
The following should be put into a file that we will call , ilc-fermilab-voms.
| No Format |
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"ilc" "fermigrid2.fnal.gov" "15023" "/DC=org/DC=doegrids/OU=Services/CN=host/fermigrid2.fnal.gov" "ilc" |
Now a valid grid certificate can be obtained by referencing this configuration when running voms-proxy-initfile.
| No Format |
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voms-proxy-init ilc:/ilc -userconf ./ilc-fermilab-voms |
| Warning |
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The file above command will fail if ilc-fermilab-voms must be is not owned by your account. The command will fail if this file has some other owner. |
Provided that your local node is configured correctly, this should allow you to start a grid session on an external node outside Fermilab.
| Info |
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Simple commands such as globus-job-run should work "out of the box" from an external site. In order to actually submit jobs to the Fermilab batch system, you will need to run have a local copy of Condor, including the job scheduler running. Talk to your site administrator about setting up this software, which can be configured as part of the VDT. |
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