Fresh install of WHMCS on fresh install of Fedora 25 - issue

[omaticon]

I am running into an issue in which the WHMCS installer insists that the necessary files/directories are not r/w when I have even made them world r/w.  I've restarted the installer, restarted apache, re-uploaded the source, examined the apache php config.  No issues were found and none of the actions have resolved the issue.  Has anyone else ran into a similar situation or have a helpful suggestion?