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When the centos boots up, there two paths in LD_LIBRARY_PATH. I want to know where in in the startup these paths are added to LD_LIBRARY_PATH?

# echo $LD_LIBRARY_PATH
/opt/gridengine/lib/linux-x64:/opt/openmpi/lib

I want to permanently remove /opt/openmpi/lib.

1 Answer 1

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That is probably in your user account's .bashrc, e.g., after following instructions such as Using R on Knot. It is rare for an RPM to install using LD_LIBRARY_PATH, so the place to look would be in user-customizations.

If you do not see it in .bashrc, then

cd /etc
grep -l -r /opt/openmpi/lib .

would be the next place to look, showing you filenames where the customization may have been made, e.g., /etc/profile.d/*

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  • I found that rocks-openmpi module is loaded. How can I unload it? # module list \\ Currently Loaded Modulefiles:\\ 1) rocks-openmpi
    – mahmood
    Sep 12, 2016 at 9:35
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    What you are searching for is module unload rocks-openmpi. But it is autoloaded somewhere like described by Thomas Dickey. You also may want to have a look at man module, especially to the init* sections.
    – Thomas
    Sep 12, 2016 at 11:46

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