About WLCG

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Getting started

Before using the WLCG/EGI Grid, the user must do the following:

a. Obtain an X.509 certificate from a Certification Authority (CA) recognized by WLCG;

b. Get registered with WLCG/EGI/OSG by joining one or more Virtual Organisations;

c. Obtain an account on a machine which has the WLCG/EGI User Interface software installed, and copy the certificate to it;

d. Create a VOMS proxy on the UI.

Steps a. to c. need to be executed only once to have access to the Grid, although the certificate will usually need to be renewed once a year, and VO membership may also need to be re-confirmed periodically.

Step d. needs to be executed only when a valid VOMS proxy is not already available. After the proxy expires a new proxy must be created before Grid services can be used again.

See the WLCG User Guide for more details.

Users interested in other VOs, please search for your VO on the EGI Operations portal or on the OSG Registration database

If you can't find it please open a GGUS ticket.

Technical Info

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Reference