[Samba] PDC migration from suse 8.2 - samba 2.2.7 ldap - to latest versions on ubuntu 8.04

Vladimir Psenicka vladimir.psenicka at prodeco.cz
Thu Mar 25 02:33:04 MDT 2010

What about Debian Stable with Sernet samba repo, where you can choose
Samba 3.4.x or 3.5.x

My hints on migrating to new server:

1. install new server (Samba,ldap etc.)
2. set same hostname on new server
3. export ldap data from old server and import them to new server
4. export SID (net getlocalsid) and set it on new server (net
setlocalsid oldsid)
5. configure samba on new server as PDC with ldap and shares in smb.conf
from old samba smb.conf (check with testparm)
6. stop samba on old server
7. copy all data (with perms) and netlogon share to new server
8. stop old server
9. start samba on new server a check everything is working fine (domain
logon from windows box, shares and perms)

This can be done best when no users are logged in samba (maybe at weekend?)

P.S. We have ubuntu 8.04 as PDC and Windows 7 can't join to domain

Dne 25.3.2010 01:05, GG napsal(a):
> Hello Vladimir and hi all,
> Thanks very much for replying!
> Any suggested os? I'd go for debian or what advised, I just happen to
> know ubuntu more...
> Any strategy or hint on migrating from ancient ldap + samba to a new server?
> Already tried rsyncing (using all options to keep perms and attributes
> grp  own mod etc) on a twin v-machine but server starts and the ldap
> auth fails to work :-(
> I'm a bit stuck at the moment :-( and I have posponed the problem for
> too long grrr
> Giorgio
> On Wed, Mar 24, 2010 at 9:20 AM, Vladimir Psenicka
> <vladimir.psenicka at prodeco.cz> wrote:
>> Dne 23.3.2010 15:48, Giorgio napsal(a):
>>> Hello,
>>> Hopefully I'm in the right place asking for help :-)
>>> I need to move from an old physical Suse 8.2 - samba 2.2.7 + ldap - to
>>> latest samba versions, I would like to use an ubuntu 8.04 virtual machine.
>>> The domain is in production on the physical server, to be dismissed after
>>> migration. It is also the file server!!! so /DATA/ has all shared and
>>> permission driven file access..
>>> I was following https://help.ubuntu.com/8.10/serverguide/C/samba-dc.html but
>>> I realize I am in a different scenario...
>>> Production so no errors are admitted :-(, migration to new os and versions..
>>> all at once?
>>> I have a dump of the physical server (dd sda mbr and single partitions :)
>>> plus an rsync with all permissions daily backup, just to be safe ;)
>>> What would you guru's suggest as a strategy?
>>> Can I create a new server and add it as secondary domain controller and then
>>> once the replica is up? I'd feel quite comfortable with this method.
>>> BTW I need a new version of samba as they have already bought Windows 7
>>> boxes (without asking if they were supported arrgh).
>>> Thanks to all of you who read or answered :-)
>>> Gio
>> Hi.
>> Ubuntu 8.10 is bad idea if you will be connecting Windows 7 into domain,
>> because of old Samba version. Samba 3.4.x or 3.5.x is recommended for
>> Win7. Wait for Ubuntu 10.04 LTS (next month) if you want Ubuntu.
>> --
>> Vladimir Psenicka
>> --
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Vladimir Psenicka
IT system engineer
Tel.: 417 633 762

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