localhost hostname problem

[fedora]

Did you enter a FQDN (Fully Qualified Domain Name) at start of install ?
eg. red.teach.net

Anyway, to change Hostname-

System Settings > Network > DNS > Hostname:
at this point, enter a FQDN eg. red.teach.net
On closing gui, you'll be asked "Do you want to save changes?"
You say "YES"

then:
/etc/init.d/network restart

that should do it...

>now instead of being
>localhost at login, I'm x1-6-04-4f-00 or something like that, which
>happens to be the hw addy of the eth0.  How do I change this, or at
>least nickname it, to get back to localhost?

hth
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