Software FAQs How do I recognise and manage dependency conflicts between modules? How can I resolve problems with conflicting modules? "Undefined reference" when compiling program, what to do? How do I install local Perl packages? I have a Mac and have problems running perl on UPPMAX, with error messages like "Perl: warning: Setting locale failed." and "Perl: warning: Please check that your locale settings". How can I use ScaLAPACK/BLACS? How can I compile MPI programs on UPPMAX? How can I use BLAS/LAPACK routines? Can I install my own software on the UPPMAX systems?