[Freeipa-users] Migrate data from OpenLdap to FreeIPA

[Thu Nguyen Thi Anh]

Thanks Rob very much. I will try of course on the test system :)


-----Original Message-----
From: Rob Crittenden [mailto:rcritten at redhat.com]
Sent: Tue 6/30/2009 12:58 AM
To: Thu Nguyen
Cc: freeipa-users at redhat.com
Subject: Re: [Freeipa-users] Migrate data from OpenLdap to FreeIPA
 
Thu Nguyen wrote:
> Dear all,
> 
>  
> 
> I did use OpenLDAP for our system which used to authenticate all web 
> services (bugzilla, svn,..) and mail service (dovecot) . Now I would 
> like to replace it by FreeIPA. Would you please instruct (step-by-step 
> if possible) how to migrate all data/structures from OpenLDAP to FreeIPA?
> 

We don't currently have instructions on how to do this.

Basically what you need to do is:

- install freeIPA
- get an ldif dump of your OpenLDAP server
- remove any unneeded structural and configuration options from the ldif
- convert this ldif to the IPA DIT
- load the ldif

You can see the DIT we use at http://freeipa.org/page/UsingRhdsWithIpa

When converting to our DIT you'll also need to ensure that the user 
entries are set up properly. This means having:

- the krbprincipalname attribute set to <uid>@<REALM>
- update the objectclass list
- set gidnumber to the ipausers group

You'll end up with a bunch of users that will work with simple auth but 
don't have kerberos keys yet so kinit will fail. You'll need to create 
some mechanism where they authenticate using their user password in 
order to get kerberos keys.

And of course, do this on a test system first to make sure I haven't 
missed something :-)

rob



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