[CentOS] file permissions and groups

[Barry Brimer]

> I have a file owned by apache:apache with permissions of 640.
>
> I have added myself to the apache group using usermod -G (and I can verify
> that using the groups command) but I still can't read the abovementioned
> file.

What are the permissions of the directories from the root of the 
filesystem up top the directory that the file is in?

Is there any useful information in your apache logs?

Barry