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Completely uninstall PostgreSQL 9.4 from Mac OSX Lion

berdasar tutorial dari stack overflow yang beralamat di

The following is the un-installation for PostgreSQL 9.1 installed using the EnterpriseDB installer. You most probably have to replace folder /9.1/ with your version number. If /Library/Postgresql/doesn’t exist then you probably installed PostgreSQL with a different method like homebrew or

To remove the EnterpriseDB One-Click install of PostgreSQL 9.1:

  1. Open a terminal window. Terminal is found in: Applications->Utilities->Terminal
  2. Run the uninstaller:
    sudo /Library/PostgreSQL/9.4/

    If you installed with the Postgres Installer, you can do:

    open /Library/PostgreSQL/9.4/

    It will ask for the administrator password and run the uninstaller.

  3. Remove the PostgreSQL and data folders. The Wizard will notify you that these were not removed.
    sudo rm -rf /LibraryPostgreSQL
  4. Remove the ini file:
    sudo rm /etc/postgres-reg.ini
  5. Remove the PostgreSQL user using System Preferences -> Users & Groups.
    1. Unlock the settings panel by clicking on the padlock and entering your password.
    2. Select the PostgreSQL user and click on the minus button.
  6. Restore your shared memory settings:
    sudo rm /etc/sysctl.conf

That should be all! The uninstall wizard would have removed all icons and start-up applications files so you don’t have to worry about those.

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