[CentOS] file permissions and groups [SOLVED]

[Johnny Hughes]

On Mon, 2006-11-20 at 02:47 -0500, Michael Velez wrote:
>  
> > > On 11/19/2006 8:39 PM, Michael Velez wrote:
> > > > 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.
> > > >  
> > > > Am I not getting something?
> > > 
> > > Hi Michael,
> > > 
> > > have you already tried the 'newgrp' command?
> > > cu - Michael
> > > 
> > 
> > When I use the newgrp command, I do change to the apache 
> > group and it works.
> > 
> > Do you mean 'su - Michael'?
> > 
> > su - michael is actually interesting.  Before the su -, the 
> > output of the id command shows that I'm only in group 
> > michael.  After the su -, it shows I'm in both groups michael 
> > and apache.  
> > 
> > Why is it that I'm in both groups after su -, and not while 
> > in a normal xterm logging shell.  Also, I have the same 
> > problem of not being able to access the file through the 
> > gnome desktop using File Browser (even though I'm in group apache).
> > 
> > So, at a login shell doing su - works, both other options 
> > (xterm login shell or desktop) do not.
> > 
> > Michael
> 
> Thinking through the weird behavior from my previous e-mail,  I logged out
> of X and when I logged back in, the id command showed the right output and I
> was able to access the file.
> 
> FYI: I tried this through vnc, as well.  I needed to reboot the vnc server
> to get it work.
> 

Right ... when you make group changes you would need to log out and back
in to see them.

Same for vnc ... the vnc server is logged in as a user, that service
would need to re-login (restarting the service vncserver should do that)
to see changes added for that user.
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