How to setup your CERN account ?

  • As member of the Geant4 collaboration, you may access CERN computing facilities.

  • Open and access your CERN account via ssh

  • Create a configuration file, named for exampel env.csh, containing the following lines (do not forget to replace sincerti by your username) :


setenv CVS_RSH ssh
setenv CVSROOT ":gserver:${USER}"

setenv _EDITOR "${EDITOR}"
if ( -ef "${_EDITOR}" ) then
 setenv CVSEDITOR "${_EDITOR}"
 setenv CVSEDITOR `which vi`
unsetenv _EDITOR

# Geant4

setenv G4SYSTEM Linux-g++
setenv G4INSTALL "/scratch/sincerti/geant4"
setenv G4WORKDIR "${G4INSTALL}/workdir"
setenv G4LIB "${G4INSTALL}/lib"
setenv G4TMP "${G4INSTALL}/tmp"
setenv G4DEBUG 1

setenv G4LEDATA /afs/
setenv NeutronHPCrossSections /afs/
setenv G4ELASTICDATA /afs/

setenv CLHEP_BASE_DIR /afs/

  • Make sure to include the following line in your .tcshrc file (do not forget to adapt the path to your own path)

source  /afs/

  • Then, from the lxplus machine, you can connect for example to pcgeant02 via ssh pcgeant02 (SLC4, x86, 64 bits, gcc 3.4.6 - corresponding to the above CLHEP_BASE_DIR variable). You may also use pcgeant01.

  • We can create for you a disk working area under /scratch where you can work freely (no backup).

-- SebastienIncerti - 20 Mar 2009

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Topic revision: r4 - 2009-04-23 - SebastienIncerti
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