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I noticed recently that my tmp directory is starting to fill up and it seems that it is filling up with file that start with dompdf_img_*. Whatever program that is creating these files is not cleaning them up or not cleaning them up as often as I would like. Does anyone know what program creates these files and if there is a way regulate how long they are kept on the server?

Using CENTOS 6.2 x86_64 and WHM 11.30.6

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3 Answers

Seems to be related to the dompdf library. Since you seem unaware it's even on your site, it's probably being used as a library by some utility or plugin for a CMS, for example. Does your site offer a feature to download a given page as a PDF? That would be the first place to look.

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Dompdf is a html to PDF converter, it has a PHP rendering engine and reads in external style sheets.

The project lives at http://code.google.com/p/dompdf/ I'm sure they have a support channel that might be able to help get the cleanup correct.

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Find out what part of your site generates PDF files, as they said in other answers it's part of the Dompdf php library.

You could use a shell script to clear your tmp folder and set a cron job to run as often as you'd like

#!/bin/bash 
rm -rf /tmp/* 
rm -rf/var/tmp/* 
fsck -A
exit
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