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I have a custom package installed on my Ubuntu 10.10, and trying to remove it, I got:

$ sudo dpkg -r package
sub-process script post-installation installed returne an error state 127

(the message returned from the command was translated from portuguese(br).

So, I noted that on the installation script of this package, what it did was create an entry on my startup, create a folder on /opt and create a user.

I removed all it created. But now, I just want to remove it from dpkg list, because I want to make my linux like if I never installed this package.

How can I do this?

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migrated from stackoverflow.com Jun 10 '11 at 9:00

This question came from our site for professional and enthusiast programmers.

You may need to manually remove the package using:

sudo dpkg --purge --force-all package

Replace package with the name of the package.

Do note: its recommended to report a bug if the package is not yours or is unknown to you what the script does.

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4  
doesn't work when pre-removal script fails, as with xmail. – jcomeau_ictx Jan 18 '15 at 23:04
    
@jcomeau_ictx of course... the question is about post-removal, not about pre. – Braiam Jan 19 '15 at 0:27

trying to remove xmail with dpkg --purge --force-all xmail failed because the pre-removal script was exiting with a failure attempting to stop the xmail daemon. I found the solution here: http://serverfault.com/questions/179570/how-to-remove-a-package-which-post-installation-and-pre-removal-script-fails

specifically, I edited /var/lib/dpkg/info/xmail.prerm and changed || exit $! to || true

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I don't understand the downvote. the other solution doesn't cover all cases, and this provides some help for the remainder. – jcomeau_ictx Apr 7 at 13:47
1  
If I have to guess, you answer "failed because the pre-removal script", this questions is about the "post-installation" script. You aren't answering the currently asked question. – Braiam Apr 7 at 23:34
    
OK, fair enough, thanks. – jcomeau_ictx Apr 8 at 3:01

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