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Omid
Asked: 2016-06-20 23:56:16 +0800 CST

Failed to stop postfix.service: Unit postfix.service not loaded

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When I try to remove postfix I get this error:

Removing postfix (3.1.0-3) ...
Failed to stop postfix.service: Unit postfix.service not loaded.
invoke-rc.d: initscript postfix, action "stop" failed.
dpkg: error processing package postfix (--remove):
 subprocess installed pre-removal script returned error exit status 5
Processing triggers for libc-bin (2.23-0ubuntu3) ...
Errors were encountered while processing:
 postfix
E: Sub-process /usr/bin/dpkg returned an error code (1)
apt

2 Answers

  1. This Worked for me:

    After creating a postfix file, run this command:

    sudo apt-get purge postfix

    And then reinstall postfix: 

    sudo apt-get --reinstall install postfix
    • 2

  2. The reason was because /etc/init.d/postfix did not exist.

    I created a blank /etc/init.d/postfix file and made it executable using sudo chmod +x /etc/init.d/postfix, then problem solved.

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