How to delete postgresql ubuntu

How To Completely Uninstall PostgreSQL

Introduction

If you’re using PostgreSQL, you may need to remove the package from your system at some point. It’s important to know how to uninstall PostgreSQL properly to make sure all components of the package are completely removed and you don’t encounter any errors. In this article, we’ll explain how to uninstall PostgreSQL from Linux, macOS and Windows operating systems.

NOTE: Be sure to elevate the privileges for any of the commands in this article with sudo if the terminal returns a Permission denied error.

Uninstall and remove PostgreSQL on Debian Linux

You can use the apt-get command to completely remove PostgreSQL on a Debian-based distribution of Linux such as Linux Mint or Ubuntu:

Grep for all PostgreSQL packages in Debian Linux

Remove all of the PostgreSQL data and directories

Uninstall and remove PostgreSQL packages on Fedora Linux

You can use the YUM repository’s yum command to uninstall PostgreSQL on Fedora-based distributions of Linux such Red Hat or CentOS:

Be sure to remove the pgsql directory as well:

NOTE: Keep in mind that sudo is not enabled for RHEL users by default. Instead, use the su (switch user) command to enter as root and execute the above commands with elevated privileges if necessary.

Grep for the PostgreSQL packages in Fedora using ‘rpm’

If you prefer, you can shorten the search to something like post as well:

You can also use grep in conjunction with YUM’s list command to return a list of all package instances of PostgreSQL:

Uninstall the PostgreSQL package using YUM remove

Once you’ve located the package, use YUM’s remove command to uninstall PostgreSQL from your Linux system:

Navigate to the assigned directory for the PostgreSQL data, and then use the rm command to delete all of your databases and tables.

Uninstall and remove PostgreSQL from Windows

If you’re using Windows, type uninstall or remove into the search bar at the bottom left-hand side of the screen:

Then, follow the steps for the removal process, making sure to select the “Entire Components option when prompted.

Delete the data folder for PostgreSQL in Windows

After you’ve completed the removal process described in the previous section, open File Explorer for Windows and navigate to the data folder. Right-click the data folder and click the Delete button. Be sure to empty the recycle bin afterwards to ensure that any sensitive data has been properly deleted.

After all of the data has been deleted, you should restart Windows 10.

Uninstall and remove PostgreSQL on macOS

To uninstall PostgreSQL on macOS, open a new instance of Finder and navigate to the Applications directory. Look for the PostgreSQL folder and drag its contents to the Trash application folder in macOS.

Remove the PostgreSQL data in a terminal in macOS

After you’ve removed the PostgreSQL folder, open the Utilities folder in a Finder window, and then open the Terminal application.

Use the cd command to navigate to the PostgreSQL directory. You can do this by typing the directory path into the terminal prompt and pressing Return:

Don’t forget to empty the Trash application’s contents when you are finished.

Uninstall the Homebrew installation of PostgreSQL on macOS

You can use the brew command in a macOS terminal window to remove the Homebrew version of PostgreSQL. First, use the list command to return all of the applications installed using Homebrew:

Then, use the following command to force the removal the Homebrew installation of postgresql :

Conclusion

If you find yourself needing to uninstall PostgreSQL, it’s important to do a careful and thorough job. Taking shortcuts when it comes to the removal process can leave sensitive data remaining on your machine. In this article, we explained how to uninstall and remove PostgreSQL from Windows, Linux and macOS. With the step-by-step instructions detailed in this tutorial, you’ll be ready to remove PostgreSQL from any of your own machines.

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How To Remove PostgreSQL

Sometimes during a software install, things can go sideways and you realize that not all the program downloaded or the installation was interrupted for some reason leaving you with incomplete files and empty directories. Honestly, this is a rare occurrence but it can happen from time to time. This then begs the question; So how do I completely uninstall recently installed software? In this tutorial, we’ll be safely removing PostgreSQL from our Liquid Web Ubuntu VPS server. В

Step 1: List the PostgreSQL Packages

Use the dpkg В tool to list packages pertaining to the PostgreSQL setup.

Output:

Step 2: Delete the PostgreSQL Packages

In Step 1, all of the software packages related to the PostgreSQL install are shown. To remove and delete them all with one command, Start with this command.

This is followed by each package name indicated separated with a space. For my particular version of PostgreSQL, the software installed was:В

so,В my purge remove command will look like this:

Step 3: В Verifying the Deletion of PostgreSQL

Once you remove these packages you should no longer be able to enter into the PostgreSQL environment. В You can verify that by running the grep command again and searching for postgres:

As you can see, there is no output from that command which means, PostgreSQL has been successfully uninstalled!В

PostgreSQL: How to uninstall PostgreSQL 9.6 from Ubuntu

This article is half-done without your Comment! *** Please share your thoughts via Comment ***

In this post, I am sharing necessary steps to remove or uninstall PostgreSQL 9.6 from Ubuntu OS. Yesterday, I was testing a few latest extensions in my PostgreSQL test server, and unfortunately, PostgreSQL Server corrupted.

As this is my test server, so simply I uninstalled full setup and again installed it.

Please check below commands which I applied to uninstalled PostgreSQL:

First check Postgres related folders:

Result:

Command to remove few postgres folders:

Now check again Postgres related folders:

Result:

Now remove all other pending folders:

Now PostgreSQL is uninstalled so confirmt that PSQL is running or not:

Now check the Postgres service status:

/anvesh$ sudo service postgresql status

Please visit other related articles.

Thanks! Help me a lot!

It Worked!! Thanks

I guess it worked. But there are still icons there and when I want to install it again, it says that it’s already installed.

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How To Completely Uninstall PostgreSQL

Introduction

If you’re using PostgreSQL, you may need to remove the package from your system at some point. It’s important to know how to uninstall PostgreSQL properly to make sure all components of the package are completely removed and you don’t encounter any errors. In this article, we’ll explain how to uninstall PostgreSQL from Linux, macOS and Windows operating systems.

NOTE: Be sure to elevate the privileges for any of the commands in this article with sudo if the terminal returns a Permission denied error.

Uninstall and remove PostgreSQL on Debian Linux

You can use the apt-get command to completely remove PostgreSQL on a Debian-based distribution of Linux such as Linux Mint or Ubuntu:

Grep for all PostgreSQL packages in Debian Linux

Remove all of the PostgreSQL data and directories

Uninstall and remove PostgreSQL packages on Fedora Linux

You can use the YUM repository’s yum command to uninstall PostgreSQL on Fedora-based distributions of Linux such Red Hat or CentOS:

Be sure to remove the pgsql directory as well:

NOTE: Keep in mind that sudo is not enabled for RHEL users by default. Instead, use the su (switch user) command to enter as root and execute the above commands with elevated privileges if necessary.

Grep for the PostgreSQL packages in Fedora using ‘rpm’

If you prefer, you can shorten the search to something like post as well:

You can also use grep in conjunction with YUM’s list command to return a list of all package instances of PostgreSQL:

Uninstall the PostgreSQL package using YUM remove

Once you’ve located the package, use YUM’s remove command to uninstall PostgreSQL from your Linux system:

Navigate to the assigned directory for the PostgreSQL data, and then use the rm command to delete all of your databases and tables.

Uninstall and remove PostgreSQL from Windows

If you’re using Windows, type uninstall or remove into the search bar at the bottom left-hand side of the screen:

Then, follow the steps for the removal process, making sure to select the “Entire Components option when prompted.

Delete the data folder for PostgreSQL in Windows

After you’ve completed the removal process described in the previous section, open File Explorer for Windows and navigate to the data folder. Right-click the data folder and click the Delete button. Be sure to empty the recycle bin afterwards to ensure that any sensitive data has been properly deleted.

After all of the data has been deleted, you should restart Windows 10.

Uninstall and remove PostgreSQL on macOS

To uninstall PostgreSQL on macOS, open a new instance of Finder and navigate to the Applications directory. Look for the PostgreSQL folder and drag its contents to the Trash application folder in macOS.

Remove the PostgreSQL data in a terminal in macOS

After you’ve removed the PostgreSQL folder, open the Utilities folder in a Finder window, and then open the Terminal application.

Use the cd command to navigate to the PostgreSQL directory. You can do this by typing the directory path into the terminal prompt and pressing Return:

Don’t forget to empty the Trash application’s contents when you are finished.

Uninstall the Homebrew installation of PostgreSQL on macOS

You can use the brew command in a macOS terminal window to remove the Homebrew version of PostgreSQL. First, use the list command to return all of the applications installed using Homebrew:

Then, use the following command to force the removal the Homebrew installation of postgresql :

Conclusion

If you find yourself needing to uninstall PostgreSQL, it’s important to do a careful and thorough job. Taking shortcuts when it comes to the removal process can leave sensitive data remaining on your machine. In this article, we explained how to uninstall and remove PostgreSQL from Windows, Linux and macOS. With the step-by-step instructions detailed in this tutorial, you’ll be ready to remove PostgreSQL from any of your own machines.

Как удалить Postgres из моей установки?

У меня Ubuntu 9.10 (karmic), и когда я попытался установить новую программу, postgres был установлен как зависимость от этой программы, никаких проблем, если установка прошла успешно, но произошла ошибка, и Postgres был не установлено и приложение не работает. Я пытался обновить Postgres и ничего, только сообщение «произошла ошибка и ваш postgres не может быть установлен»

Теперь я хочу полностью удалить Postgres со своей машины, как я могу это сделать, я не хочу убивать процесс при каждой загрузке. Я просто хочу удалить Postgres.

Что такое командная строка?

Это также побудит вас удалить то программное обеспечение, которое зависит от Postgres, что в данном случае, по-видимому, вы хотели бы сделать.
Я лично не запускаю 9.10 или Postgres, поэтому вполне возможно, что Postgres устанавливает себя в несколько частей. В таком случае просто:

Конечно, это зависит от списка установленных пакетов.

Шаги, которые работали на меня, Ubuntu 8.04.2 чтобы удалить postgres 8.3

Список всех пакетов, связанных с Postgres

Удалить все вышеперечисленное

Удалите следующие папки

Удалить пользователя postgres :

Когда я запускаю команду msfconsole в терминале, хотя metasploit подключается к базе данных msf через порт 5432, появляется следующее сообщение об ошибке:

Я удаляю версию 9.6 postgresql из приложения Synaptic, но проблема сохраняется (postgresql 9.6 больше не отображается в списке установленного программного обеспечения synaptic);

Но, выполнив следующую команду, мы увидим, что версия postgresql 9.6 не была полностью удалена:

С помощью следующей команды postgresql-9.6 полностью удален:
root@kali:

Появляется другое сообщение об ошибке:

Я обнаружил, что причина была в том, что на моем компьютере с Debian установлены две (2) версии Ruby, версии (2.2 и 2.3).

То же самое, я удаляю версию ruby ​​2.2 из приложения synaptic, и проблема решена, metasploit запускается без проблем.