Celestial Bodies Database - Build a Celestial Bodies Database

Tell us what’s happening:
When I start this course to complete the project I am not able to see any instruction or test cases and also not able to login into psql.
This is the error showing: psql: error: connection to server on socket “/var/run/postgresql/.s.PGSQL.5432” failed: No such file or directory
Is the server running locally and accepting connections on that socket?

I am not able proceed with project because of this.
please help me resolve this.

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Challenge: Celestial Bodies Database - Build a Celestial Bodies Database

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