To add the latest release mirror to your Spack (recommended):
$> spack mirror add E4S https://cache.e4s.io/24.02
$> spack buildcache keys -it
Or, add the combined cache to your Spack:
$> spack mirror add E4S https://cache.e4s.io
$> spack buildcache keys -it
123,589 total packages
Last updated 2024-02-14 13:35 PST