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Can you install postgresql as a user in ubuntu?


Asked by Alondra Ochoa on Dec 09, 2021 FAQ



By default, the software creates a postgres user, once you successfully install the database system. This user account has the default ‘postgres’ role. If you prefer installing PostgreSQL from the local Ubuntu repository, bear in mind that it is most likely not going to be the latest version of the package.
Thereof,
One of the simplest ways to connect as a PostgreSQL user is to change your hostname to the postgres Unix user. Login to PostgreSQL interactive shell using the command: Set the root user credentials using the following query: Make sure to replace newpassword with a strong password of your choice. Type exit to quit the interactive shell.
Just so, By default, Postgres uses a concept known as roles to handle authentication and authorization. These are, in some ways, similar to regular Unix-style accounts, but Postgres does not distinguish between users and groups and instead prefers the more flexible term “role”.
In respect to this,
To install PostgreSQL via the command line, type: You can find the location of the configuration file using the ls command. This is a verification step that confirms whether PostgreSQL was successfully installed on your system or not. The number 12 denotes the version of PostgreSQL.
In this manner,
PostgreSQL automatically creates a default user named postgres upon installation. The postgres user has full superadmin privileges, so it is particularly important to implement Linux and database passwords for the account. Change the password for the postgres Linux account. Choose a strong password and store it in a secure place.