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The NGS Portal

The NGS Portal. Guy Warner NeSC Training Team. The Portal. https://portal.ngs.ac.uk. Command Line Usage of Grid Services. Grid Services. A Problem!. How do I authenticate myself to the Grid Services?. grid-proxy-init. Grid Services. A Problem!. Portal Usage of Grid Services. Portal.

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The NGS Portal

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  1. The NGS Portal Guy Warner NeSC Training Team

  2. The Portal https://portal.ngs.ac.uk Induction to Grid Computing and the National Grid Service, Oxford University Computing Services, 5th-6th July 2005

  3. Command Line Usage of Grid Services Grid Services A Problem! • How do I authenticate myself to the Grid Services? grid-proxy-init Induction to Grid Computing and the National Grid Service, Oxford University Computing Services, 5th-6th July 2005

  4. Grid Services A Problem! Portal Usage of Grid Services Portal ?? Induction to Grid Computing and the National Grid Service, Oxford University Computing Services, 5th-6th July 2005

  5. Solution: “MyProxy” • Myproxy allows you to store a long-lived proxy in a “MyProxy repository” and derive a proxy certificate when needed. • Allows you to: • Interact with a grid from many machines • And you realise that you must NOT, EVER leave your certificate where anyone can find and use it. • Use a portal, and delegate to the portal the right to act on your behalf (by logging in to an account that can make a proxy certificate for you) • Run jobs that might last longer than the lifetime of a short-lived proxy Induction to Grid Computing and the National Grid Service, Oxford University Computing Services, 5th-6th July 2005

  6. 0: grid-proxy-init myproxy-init UI MyProxyServer 2: Any Grid Service 3: myproxy-get-delegation NGS Portal Web Browser 6: output 1: 4: execution A WorkStation 5: output Grid Services Grid Authentication with MyProxy Induction to Grid Computing and the National Grid Service, Oxford University Computing Services, 5th-6th July 2005

  7. Go to https://portal.ngs.ac.uk • When submitting jobs: • Use grid-data.man.ac.uk • jobmanager: pbs • Provide a file for standard error • Use the extension .txt for standard output and error files. • See output by Single Host File Transfer from grid-data.man.ac.uk Induction to Grid Computing and the National Grid Service, Oxford University Computing Services, 5th-6th July 2005

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