Setup: CRAB setup


After requesting a proxy (GRID authentication) and setting up the CMSSW user project (CMSSW project), CRAB has to be initialized.

CRAB initialization

To initialize CRAB, call its setup script. In the following, the initialization commands of the CRAB installation at various sites are given (exemplary for CRAB_1_4_2).

*Site* *Initialization command*
CERN sh shell family:
source /afs/
csh shell family:
source /afs/
FNAL sh shell family:
source /uscmst1/prod/grid/CRAB_1_4_2/
csh shell family:
source /uscmst1/prod/grid/CRAB_1_4_2/crab.csh

or call the appropriate setup script from your local installation (CRAB installation).

First time initialization

If you call the CRAB initialization script for the first time, CRAB will ask you to initialize one of its sub-components, BOSS by calling the following command:


BOSS will create two directories in your home directory:


which should not be removed.

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Topic revision: r1 - 2007-03-19 - OliverGutsche
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