![]() ![]() PostgreSQL supports multiple authentication methods. In order to use PostgreSQL, you can log in to that account. The installation procedure created a user account called postgres that is associated with the default postgres role. If a role exists within Postgres, a Unix/Linux username with the same name is able to sign in as that role. By default, Postgres is set up to use ident authentication, meaning that it associates Postgres roles with a matching Unix/Linux system account. PostgreSQL uses a concept called roles to handle client authentication and authorization. PostgreSQL Roles and Databases Authentication Methods The -contrib package that adds some additional utilities and functionality: If you are interested in Postgres 12 you can install with the following commands. The default packages provided by the default repositories are postgres 12. To check the version provides, use this command: sudo apt-cache search postgresql | grep postgresql Postgres is provided in the default Ubuntu repositories. Then we upgrade the packages in our system with this: sudo apt -y upgrade 2. Let’s refresh your server’s local package index using this command: sudo apt update Ensure that your system packages are up to date Connecting to the instance from remote hostġ. ![]()
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