no www after yum update

[script]

--- David Cary Hart <Fedora at TQMcube.com> wrote:
> DNS issues. Have you installed NetworkManager?
> 
> Check /etc/resolv.conf.


yes, i did this.  and i put in the dns addresses that
were auto assigned to my router.  but i've never had
to do this before.  and if my isp changes the dns
server address, then i'm screwed again.  why is this
suddenly an issue?  how was it auto detected before
and not now?

what is NetworkManager?

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