GENIUS Hands On

12th EELA Tutorial, Lima, 24-28.09.2007FP6−2004−Infrastructures−6-SSA-026409

www.eu-eela.org

E-infrastructure shared between Europe and Latin America

GENIUS Hands On

Vanessa Hamar

Universidad de Los Andes

Lima-Peru, 24 – 28 September 2007

2FP6−2004−Infrastructures−6-SSA-026409


12th EELA Tutorial, Lima, 24-28.09.2007

Disclaimer

• This presentation is based on materials provided and authorized by the EGEE project and EELA project. It is freely available to download and use.




Practical information

GENIUS Tutorial website: • https://glite-tutor.ct.infn.it

Tutorial accounts on glite-tutor:• Username: limaXX where XX goes from 01 to 40

• Password: GridLIMXX where XX goes from 01 to 40

when issuing the myproxy-init command• Myproxy password: LIMAPERU for all the accounts




Introduction: 2 Authentications

• 1. Authentication with the User Interface

• 2. Authentication to the Grid.

Input password of the proxy (specified when you

shall execute myproxy-init)

Input password of the user account: GridLIMXX

limaXX

limaXX




First Exercise

GENIUS logging in and base settings




Outline of the exercise 1/2

• Login at your UI account (passwd: GridLIMXX)

• Store a proxy on a remote Myproxy Server machine with the command (using the passphrase LIMA):$myproxy-init --voms gilda

• Test to retrieve a local proxy from MyProxy server (not mandatory):$myproxy-get-delegation (must use your new MyProxy passphrase)




Outline of the exercise 2/2

• Verify your new local proxy*: – $voms-proxy-info --all

• Destroy your local proxy with the command and then inspect it*– $voms-proxy-destroy

• Go on the https://glite-tutor.ct.infn.it (Preferences/Set VO VOMS), insert your Myproxy passphrase when requested and select the gilda VO.

• Come back on the terminal and execute– voms-proxy-info --all

* - Do only if you delegated a proxy on the UI




myproxy-init --voms gilda

Choose a new password;This password will be referred

as myproxy password

Password: LIMA




Get credentials from the MyProxy srv

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FP6−2004−Infrastructures−6-SSA-026409



Destroying local voms proxy

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The Genius Home Page

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Interactive:Set Desktop Password

Login the UI to set desktop password

Password is GridLIMXX

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Interactive:Set Desktop Password

Set Desktop password

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Authenticating on GENIUS with myproxy

GRID authentication

The password is the one set when issued the myproxy-init command

sevillaXX

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Check again the proxy credentials

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GRID Settings

1) SET VO: GILDA

2) SET Default services: LFC, RB, MxProxy, …

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Available resources (matchmaking)

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Resources available: matchmaking

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Job Submission: JDL file selection

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Job Submission: Ready to submit

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Job Submission: Choosing the RB

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Job successfully submitted

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Job completed successfully

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Retrieving Job results 1/3

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Retrieving Job results 2/3

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Retrieving job results 3/3

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Third Exercise

Preapare a job described by a JDL and store it on the UI

• In this exercise we are going to create a new file on the UI called hostnametest.jdl describing a simple job

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Login on the UI

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First step: create the JDL file

[ JobType = "Normal"; Executable = "/bin/hostname"; StdOutput = "std.out"; StdError = "std.err"; OutputSandbox = {"std.out","std.err"}; ]

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Inspecting our JDL

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Fourth Exercise

Submit the job described by the JDL created in the previous exercise

• In this exercise we are going to submit the job described by the JDL file edited in the previous step

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Submitting the JDL 1/4

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Submitting the JDL (4/4)

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Retrieving job results

Documents

GENIUS Hands On