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Add "AtomsMaya/lib/${MAYA_VERSION}" subfolder (please substitute ${MAYA_VERSION} with your Maya version) to the LD_LIBRARY_PATH env variable.
If you are using floating licenses and the license server is running on another machine, set the environment variable toolchefs_LICENSE or RLM_SERVER to 5063@servername (If you are using atoms 6 set toolchefs_LICENSE to 5053@servername)