Migrating from cool solution Grafana to UCS Dashboard

Dear Community,

is there any guide how to migrate from the cool solution to the dashboard?
Looks like upgrading with cool solution isn’t easy as expected:

E: The repository 'https://packagecloud.io/grafana/stable/debian jessie Release' does no longer have a Release file.

and

E: The repository 'https://packagecloud.io/grafana/stable/debian stretch Release' does not have a Release file.

maybe its better to migrate to the dashboard, cause the cool solutions seems not supported anymore?

Thanks a lot
meg

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