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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
@enriquezrene
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enriquezrene commented Apr 11, 2018

Awesome, thank you

@shi-xiaopeng
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shi-xiaopeng commented Apr 13, 2018

Thank you! It helps a lot

@vfautsch
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vfautsch commented Apr 15, 2018

Great guide, thanks!

@auraz
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auraz commented Apr 20, 2018

Thanks

@grassiricardo
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grassiricardo commented Apr 21, 2018

Tranks

@ArnaldoSena
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ArnaldoSena commented Apr 30, 2018

It's work! Thanks!

@drewdle
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drewdle commented May 18, 2018

Thanks... but for some reason, on my start screen, the Postgres user persists. In the system prefs, the user is not listed at all.

@Marcos-Branquinho
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Marcos-Branquinho commented May 28, 2018

worked for me! Thanks a lot!

@mrioqueiroz
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mrioqueiroz commented Jul 1, 2018

Thanks!

@eeliwan
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eeliwan commented Jul 8, 2018

Thanks!

@frmendez
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frmendez commented Jul 9, 2018

thanks

@celsooliveiraTBDE
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celsooliveiraTBDE commented Jul 15, 2018

Still works like a charm.

@vl4dt
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vl4dt commented Jul 18, 2018

Worked like a charm. very nice!

@kirpheaice
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kirpheaice commented Jul 27, 2018

Thank you very much.

@stella3d
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stella3d commented Aug 17, 2018

thank you, this worked great

@AsyaKarapetyan
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AsyaKarapetyan commented Aug 21, 2018

I was trying to uninstall with Terminal but I was getting error. Then I tried another way to uninstall from this article and it helped

@tsonny
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tsonny commented Aug 27, 2018

TY SOOOOOOOOO MUCH!!!!

@mtazzari
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mtazzari commented Sep 10, 2018

Great checklist!

@kadirmaev
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kadirmaev commented Oct 2, 2018

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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ec-wagner commented Oct 21, 2018

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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kissferenc commented Jan 5, 2019

thx!

@taka2477
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taka2477 commented Feb 11, 2019

Thx a lot!!

@kerimsari
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kerimsari commented Feb 14, 2019

Thank you!! Mille Merci...

@mbifulco
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mbifulco commented Mar 20, 2019

So glad I found this. Thank you!

@Ibrahimahadi
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Ibrahimahadi commented Apr 16, 2019

NICE

@ramsesls
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ramsesls commented May 22, 2019

Thanks!

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