If automounter is running on your workstation CMSSW is installed in:

/project/cmsphys/cmssoft

Otherwise perform the following commands as root:

mkdir /project/cmsphys
mount -t nfs -o proto=udp,vers=3,rsize=8192,wsize=8192 copernicus:/net/copernicus/project3/cmsphys /project/cmsphys

setenv VO_CMS_SW_DIR /project/cmsphys/cmssoft
source $VO_CMS_SW_DIR/cmsset_default.csh