ImageMagick Configuration

/etc/ImageMagick-6/policy.xml:

<policy domain="coder" rights="read | write" pattern="PDF" />
<policy domain="resource" name="disk" value="250GiB"/>
<policy domain="resource" name="file" value="3000"/>
<policy domain="resource" name="width" value="16KP"/>
<policy domain="resource" name="height" value="16KP"/>

bash

export MAGICK_TEMPORARY_PATH = some_dir
echo fs.file-max = 3000 >> /etc/sysctl.conf

Modify this line in /etc/systemd/system.conf

#DefaultLimitNOFILE=8192:524288