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Note - How completely uninstall PostgreSQL 9.X on Mac OSX

This blog post has helped me clean up my postgres development environment on Mac. So making a copy!

How completely uninstall PostgreSQL 9.X on Mac OSX

This article is referenced from stackoverflow:

If installed PostgreSQL with homebrew , enter brew uninstall postgresql

If you used the EnterpriseDB installer , follow the following step.

Run the uninstaller on terminal window

sudo /Library/PostgreSQL/9.X/uninstall-postgresql.app/Contents/MacOS/installbuilder.sh

If installed with Postgres Installer, do:

open /Library/PostgreSQL/9.X/uninstall-postgresql.app

Remove the PostgreSQL and data folders. The Wizard will notify you that these were not removed.

sudo rm -rf /Library/PostgreSQL

Remove the ini file:

sudo rm /etc/postgres-reg.ini

Remove the PostgreSQL user using System Preferences -> Users & Groups.

Unlock the settings panel by clicking on the padlock and entering your password.
Select the PostgreSQL user and click on the minus button.
Restore your shared memory settings: sudo rm /etc/sysctl.conf
@kadirmaev
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You are the best! Thanks a lot!

@yannlr37
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yannlr37 commented Oct 5, 2018

Thanks !

@jlbokass
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jlbokass commented Oct 8, 2018

Thank you ! it works very well!

@ec-wagner
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Note for macOS High Sierra

  • last step: sudo rm /etc/sysctl.conf --> error: /etc/sysctl.conf: No such file or directory

@Makesh
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Makesh commented Oct 25, 2018

Thank you !!!!!!!!!!!!!!

@sugarac
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sugarac commented Oct 31, 2018

shit. useless

@kissferenc
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thx!

@taka2477
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Thx a lot!!

@kerimsari
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Thank you!! Mille Merci...

@mbifulco
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So glad I found this. Thank you!

@Ibrahimahadi
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NICE

@rlscode
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rlscode commented May 22, 2019

Thanks!

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