After enabling SuExec on server most users getting “500 Internal Server Error” at that time refer following steps.
1st) Correct cPanel users files/directories ownership.
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for i in `cat /etc/trueuserdomains | awk ‘{print $2}’`
do
chown $i.$i /home/$i -R;
chown $i.mail /home/$i/etc -R;
chown $i.nobody /home/$i/public_html;
done;
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2nd) Correct permission for files and directories for cPanel users from shell but make sure that you logged in as root user and running following command in /home partition.
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find . -type d -perm 777 -exec chmod 755 {} \;
find . -type f -perm 644 -exec chmod 755 {} \;
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