libGLU.so.1: Cannot Open Shared Object File

The error message:

ImportError: libGLU.so.1: cannot open shared object file: No such file or directory

may appear on Linux systems when you try to launch QuantumATK for the first time. To solve it, install the related OpenGL utility library:

  • on Ubuntu the package name is libglu1-mesa

  • on openSuSe the package name is libGLU1

  • on CentOS/RHEL/AlmaLinux/Fedora the package name is mesa-libGLU