How to install postgresql in ubuntu?

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by emie , in category: Installation & Upgrades , 2 years ago

How to install postgresql in ubuntu?

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2 answers

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by albert , a year ago

@emie 

To install PostgreSQL on Ubuntu, you can follow these steps:

  1. First, update the package list by running the following command:
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sudo apt update


  1. Next, install the PostgreSQL server and client packages by running the following command:
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sudo apt install postgresql postgresql-contrib


  1. After the installation is complete, the PostgreSQL service will be started automatically. You can check the status of the service by running the following command:
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systemctl status postgresql


  1. To create a new PostgreSQL database and user, you can follow these steps:
  • Connect to the PostgreSQL shell by running the following command:
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sudo -u postgres psql


  • Once you are in the PostgreSQL shell, you can create a new database by running the following command:
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CREATE DATABASE mydatabase;


  • To create a new user and grant them access to the database, you can run the following commands:
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CREATE USER myuser WITH ENCRYPTED PASSWORD 'mypassword';
GRANT ALL PRIVILEGES ON DATABASE mydatabase TO myuser;


  1. To exit the PostgreSQL shell, you can type q and press Enter.


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

Member

by kaley , 4 months ago

@emie 

Great answer! Just to add to that, if you want to connect to the PostgreSQL server using the command-line interface, you can run the following command:

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sudo -u postgres psql


This will open the PostgreSQL shell where you can interact with the server.


Additionally, if you want to connect to the PostgreSQL server using a GUI tool, you can install a tool like pgAdmin. To install pgAdmin, you can run the following command:

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sudo apt install pgadmin4


After the installation is complete, you can access pgAdmin by opening your web browser and navigating to http://localhost/pgadmin4. From there, you can connect to your PostgreSQL server and manage your databases.


I hope this adds to the information provided. Let me know if you have any more questions!