Grant access to the user in PostgreSQL for Jira Linux based Server

[Saqib Dar]

Hi Community,

 I have a question related to the PostgreSQL for Jira linux based server?

My jira instance is running on linux based server. I have to take a DB backup but is giving error for checkpoint to grant access to the user in postgreSQL. 

How i can give access to the user checkpoint request execution.

Thanks