Install libgfortran3, libgfortran5 and python3-distutils on Ubuntu

The command sudo apt-get install libgfortran3 libgfortran5 python3-distutils is used to install the following packages on Ubuntu:

• 'libgfortran3': a shared library for the GNU Fortran runtime library
• 'libgfortran5': a shared library for the GNU Fortran compiler
• 'python3-distutils': a module for building and distributing Python modules

These packages are essential for software development and scientific computing, particularly when working with Fortran and Python.

Troubleshooting 'E: Unable to locate package libgfortran3'

If you encounter the error 'E: Unable to locate package libgfortran3', it means that the package manager couldn't find the package in its repositories. This could be due to:

• Package deprecation: The package might be outdated and no longer supported.
• System incompatibility: The package might not be compatible with your current operating system version.

Possible Solutions:

• Update the package manager: Run sudo apt update to refresh the list of available packages.
• Check for alternative repositories: Some packages might be available in different repositories. You can add a new repository by editing your /etc/apt/sources.list file.
• Search for alternative packages: If libgfortran3 is unavailable, you might find a compatible alternative package for your needs.