[Samba] samba-tool domain backup offline fails

L.P.H. van Belle belle at bazuin.nl
Wed Apr 7 09:01:44 UTC 2021


it this also know, i you already have authenticated with kerberos, you need to re-enter the smb password.  

kinit Administrator 
samba-tool domain backup online --server=dc1.$(hostname -d) \
 --targetdir=/root/samba-backup -k yes

That runs but ... Also has a small error. :-(  ... this.. 
This comes later on.. 

Backing up sysvol files (via SMB)...
Password for [Administrator at REALM_HERE]:

since i authenticatied with kerberos already, i would not have expected an password question here. :-/ 



> -----Oorspronkelijk bericht-----
> Van: samba [mailto:samba-bounces at lists.samba.org] Namens Rowland penny via
> samba
> Verzonden: woensdag 7 april 2021 10:53
> Aan: samba at lists.samba.org
> Onderwerp: Re: [Samba] samba-tool domain backup offline fails
> On 07/04/2021 09:22, Stefan Bellon via samba wrote:
> > Hi all,
> >
> > I'm about to set up disaster recovery for the domain and followed
> > https://wiki.samba.org/index.php/Back_up_and_Restoring_a_Samba_AD_DC
> > (as I am using Samba 4.13.5).
> >
> > First I went for the online backup (which works), but AFAICS it requires
> > administrator authentication and is thus not really suited for
> > automated backups via a cronjob.
> >
> > When I tried "samba-tool domain backup offline" however, this fails:
> You have hit a known bug, which has just been fixed, so it should be in
> the next releases of 4.13 and 4.14.
> You can use the online backup from cron, just create a script (If you
> cannot, talk nicely and I will give you a copy of mine) , basically it
> boils down to using kerberos and adding '-N' to the command.
> Rowland
> --
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