Note: The default authentication method for PostgreSQL is ident. If you’d like to change the PostgreSQL authentication method from ident to md5, then visit the linked tutorial!
- These instructions are intended specifically for changing a password in PostgreSQL.
- I’ll be working from a Liquid Web Core Managed CentOS 7 server, and I’ll be logged in as root.
- PostgreSQL is installed per our tutorial on: How to Install and Connect to PostgreSQL on CentOS 7.
Step #1: Switch to the PostgreSQL User: postgresIf you’re working from a default PostgreSQL installation, then PostgreSQL will be configured with the user postgres. Since we’re logged in as root, and we’re assuming that root doesn’t have a user for PostgreSQL, switch to the default PostgreSQL user: postgres:
su - postgres… then attempt a connection to PostgreSQL:
psql… enter your password at the prompt:
Password:… the correct, valid response will be similar to:
psql (9.3.9) Type "help" for help.
Step #2: Add/Change the Password for the PostgreSQL User: postgresUse the following command to change the password for your current user, which is now postgres:
\passwordEnter your new password, and then enter it again to confirm it:
Enter new password: Enter it again:Now quit the PostgreSQL interface:
Bonus Information!You can do all the step one in exactly one command:
su -c "psql" - postgres