On Tue, 2011-11-15 at 08:33 -0500, Dan Scott wrote:
> Hi,
> 
> On Tue, Nov 15, 2011 at 07:07, Natxo Asenjo <natxo.ase...@gmail.com> wrote:
> > On Tue, Nov 15, 2011 at 12:40 AM, Dan Scott <danieljamessc...@gmail.com> 
> > wrote:
> >> Hi,
> >>
> >> Is there a 'nice' way to reinstall a host? i.e. The host has already
> >> been installed in FreeIPA and for whatever reason I need to reinstall
> >> the OS, so I have a clean system and the host is already enrolled on
> >> the server.
> >>
> >> ipa-client-install fails with "Host already enrolled" and I have to
> >> connect to an enrolled client, remove the host, and then return to
> >> install the client.
> >>
> >> Would it be possible to have a '--reinstall' option to
> >> ipa-client-install? It wouldn't have to add the host into IPA, just
> >> configure the files and get the keytab.
> >
> > If I understand it correctly, this could overwrite hosts passwords
> > which is probably not what you want with a kerberos realm.
> 
> So *getting* a new keytab would overwrite host passwords? Why wouldn't
> I want that, if I'm reinstalling a host?
> 
> > You should manually remove the host first from the realm and then rejoin it.

No, actually if the host offers services you probably prefer rejoining
in a way that keeps the original keys in the keytab and the new keys get
a new kvno. This way clients that obtained a ticket before the
re-install can still use them.

> Why? I'd much rather have the ipa-client-install script do the removal
> for me.... if it actually requires removal and re-addition.
> 
> Do I really have to remove and re-add? Why can't I just re-provision?

You should be able to. See other mails in this thread.

Simo.

-- 
Simo Sorce * Red Hat, Inc * New York

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