How to login as superuser in PostgreSQL?

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by lottie , in category: PHP Databases , 8 months ago

How to login as superuser in PostgreSQL?

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1 answer

by elisha_langworth , 3 months ago

@lottie 

To login as the superuser in PostgreSQL, you will need to connect to the database server as the user that owns the server process, then use the psql command-line interface to access the database.


Here are the steps to follow:

  1. Open a terminal window and connect to the machine where the PostgreSQL server is running.
  2. Become the user that owns the PostgreSQL server process. On most systems, this user is named "postgres". You can use the su command to switch to the postgres user:
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su - postgres


  1. Once you are logged in as the postgres user, you can use the psql command to connect to the database server:
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psql


  1. When you connect to the database server, you will be prompted to enter the password for the postgres user. Enter the password and press Enter.
  2. Once you are connected to the database, you will be in the psql command-line interface. From here, you can run SQL commands and perform various tasks as the superuser.


For example, you can create a new database by running the following command:

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CREATE DATABASE mydatabase;


You can also grant privileges to other users, create tables, and perform other tasks as needed.


I hope this helps! Let me know if you have any questions.