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mkdir /nfs/slac/g/atlas/u01/users/<username> cd; ln -s /nfs/slac/g/atlas/u01/users/<username> nfs2 |
Do this in a release, and then you can always just grep the packages.txt file to see where things are, or what versions are needed:
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cmt show packages > packages.txt
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Sometimes a digi job won't work (in 15.3.0?) because "chappy fails" on the input file. The problem can be fixed by adding the right python directory to your path:
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export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/afs/slac/g/atlas/b/sw/lcg/external/Python/2.5.4/slc4_ia32_gcc34/lib
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One of my favorites, this will do a "fast" build, if you've only changed a src file:
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cd cmt; make QUICK=1; cd ..
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So useful for joining together lots of ROOT files from many jobs into a single ROOT file:
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hadd -h #show how to use
hadd -f step.root */*step.root #for instance
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