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Common Installation Errors and How to Fix

ImportError /lib64/libstdc++.so.6: version GLIBCXX_3.4.21 not found

You need an updated libstdc++.so. See LINUX_INSTALL.md for details.


ImportError .. version GLIBCXX\_3.4.21 not defined in libstdc++.so.6 with link time reference

You need an updated libstdc++.so. See LINUX_INSTALL.md for details. (Strictly, speaking you have an updated libstdc++.so, but it was not compiled with the cxx11 abi)


ImportError: libblas.so.3: Cannot open shared object file: No such file or directory

You need to install Blas and Lapack. See LINUX_INSTALL.md for details.


ImportError: liblapack.so.3: Cannot open shared object file: No such file or directory

You need to install Blas and Lapack. See LINUX_INSTALL.md for details.