Month: September 2025

Following are a number of common PDF processing commands on a Linux box

Convert a series of images to a PDF

convert image-1 image-2 ... images.pdf

convert-im6.q16: attempt to perform an operation not allowed by the security policy `PDF’ @ error/constitute.c/IsCoderAuthorized/426.

ImageMagick, specifically version 6 (im6), is preventing the conversion of PDF files due to a security policy. To address this

1. As root, edit /etc/ImageMagick-6/policy.xml
2. Search for the line <policy domain="coder" rights="none" pattern="PDF" /
3. Update rights="none" to rights="read|write"
4. Save

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