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For over 4 years, I have been successfully using the Askubuntu method:

How can I export a PDF from GIMP with each layer on a new page

on LTS 14.04 to export an mng file and then convert to pdf. However, as of sometime between Sep. 19 and Oct. 26, the convert part no longer work and produces an error message that I do not understand:

drrm@drrmlinux2:~/Downloads$ convert vt-02017_markup.mng vt-02017_markup.pdf

convert.im6: not authorized `vt-02017_markup.pdf' @ error/constitute.c/WriteImage/1072.

Can anyone help?

You'reAGitForNotUsingGit
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user292599
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1 Answers1

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I find an anser at the step 4 of this tutorial https://www.alanreed.org/2019/07/11/edit-and-export-multi-page-pdfs-with-gimp-2019/
It look be cause by a security setting, to disable it rename the file /etc/ImageMagick-6/policy.xml by /etc/ImageMagick-6/policy.xmlout for exemple.
Then you can convert your file.

clovis
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    Welcome to Ask Ubuntu! Whilst this may theoretically answer the question, it would be preferable to include the essential parts of the answer here, and provide the link for reference. – Kevin Bowen Aug 31 '20 at 18:11
  • Thanks clovis, I'll try that the next time. What I have been doing in the meantime is to use an on-line utility at https://convertio.co/ – user292599 Sep 01 '20 at 14:54
  • Doesn't work - Step 4 produces an error and

    sudo mv /etc/ImageMagick-6/policy.xml /etc/ImageMagick-6/policy.xmlout

    gives

    mv: cannot stat ‘/etc/ImageMagick-6/policy.xml’: No such file or directory

     – user292599 Sep 15 '20 at 15:18