Fwd: Error start bind9 samba4 BIND9_DLZ

Taylor, Jonn jonnt at taylortelephone.com
Tue Sep 24 16:59:49 CEST 2013


On 09/24/2013 09:58 AM, Jacó Ramos wrote:
> Bind9 is finding sam.ldb in /usr/local/samba/private/dns but file is 
> in /usr/local/samba/private.
>
> Grato.
> Jacó Ramos
>
>
>
>
> 2013/9/24 Taylor, Jonn <jonnt at taylortelephone.com 
> <mailto:jonnt at taylortelephone.com>>
>
>     On 09/24/2013 09:11 AM, Daniele Dario wrote:
>
>         On Tue, 2013-09-24 at 08:10 -0300, Jacó Ramos wrote:
>
>             When run :
>
>
>             samba-upgradedns --dns-backend=BIND9_DLZ
>             Cannot create AD based DNS for OS Level < 2003
>             and now ?
>
>             Grato.
>
>             Jacó Ramos
>             2013/9/24 Rowland Penny <repenny241155 at gmail.com
>             <mailto:repenny241155 at gmail.com>>
>                      On 24/09/13 11:38, Jacó Ramos wrote:
>                              Hi Dario,
>                                               cp
>             /usr/local/samba/private/sam.ldb /usr/local/samba/private/dns
>                              cp /usr/local/samba/private/sam.ldb.d
>             /usr/local/samba/private/dns
>              and
>                                               chmod 777
>             /usr/local/samba/private/dns/*
>                                               and dns works fine!
>                                               Grato.
>                              Jacó Ramos
>                                                        Hi, sorry but
>             you have got it wrong, it needs to be hard
>                      linked, see here:
>             https://wiki.samba.org/index.php/Samba4/HOWTO/Join_a_domain_as_a_DC
>                               and here:
>             https://wiki.samba.org/index.php/Dns-backend_bind#New_added_DNS_entries_are_not_resolvable
>                               Rowland
>
>         Hi Jacó,
>         could it be that your domain/forest level is < 2003?
>
>         try to run
>         # samba-tool domain level show
>         to see the domain/forest levels.
>
>         Did you provision the domain on samba AD DC or did you join it
>         to an
>         existing domain?
>
>         BTW as Rowland said the private/dns content has to be hard
>         linked and
>         not a simple copy. Samba updates it's private/sam.ldb and
>         private/sam.ldb.d/* files. Files on private/dns won't be
>         updated that's
>         why they have to be links to the original ones.
>
>         A side note about permissions: it would be safer to restrict
>         permissions
>         to bind/named so as stated in the wiki you can
>
>         # chown named:named /usr/local/samba/private/dns
>         # chgrp named /usr/local/samba/private/dns.keytab
>         # chmod g+r /usr/local/samba/private/dns.keytab
>         # chmod 775 /usr/local/samba/private/dns
>
>         Daniele.
>
>
>     If your domain level is 2003 you will not be able to join samba4
>     with bind backend. There is a bug open for this. It duplicates
>     your dns zone and bind will not start.
>
>     https://bugzilla.samba.org/show_bug.cgi?id=9210
>
>     Jonn
>
>
>
>
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>
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Did you create the links as per the wiki?

Jonn



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