How to Completely Uninstall PostgreSQL from Ubuntu

PostgreSQL is a popular database software used by many websites & organizations. However, sometimes you may need to remove PostgreSQL completely from your system, in case of issues. In this article, we will learn how to completely uninstall PostgreSQL from Ubuntu.

How to Completely Uninstall PostgreSQL from Ubuntu

Here are the steps to completely uninstall PostgreSQL from Ubuntu.

1. Uninstall PostgreSQL

Open terminal and run the following command to remove PostgreSQL from Ubuntu.

$ sudo apt-get --purge remove postgresql

2. List Dependent Packages

Next, run the following command to list dependent packages.

$ dpkg -l | grep postgres

Remove the packages listed in output using the following command.

$ apt-get --purge remove package1 package2 ...

3. Verify Uninstallation

You can verify that PostgreSQL is removed by running the following command.

$ whereis postgres
$ whereis postgresql

That’s it. In this short article, we have seen how to quickly remove PostgreSQL from Ubuntu.

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