[Samba] Cannot contact any KDC for realm

[Alfonso Conner]

Hi Louis,

Well noted.
Thanks for the pointers.

Regards
Alfonso

On Wed, Aug 12, 2020 at 4:21 PM L.P.H. van Belle via samba <
samba at lists.samba.org> wrote:

> If this is a new setup.
>
> And if this reflex your primary dns domain for your AD-DC.
>         realm = EXAMPLE.COM
>
> Then i hope your really good with DNS setups, to easy to make errors here.
> Cannot contact any KDC for realm can be one of them.
>
> My advice use something like :
> realm = INTERNAL.EXAMPLE.COM
>
>
> Greetz,
>
> Louis
>
> > -----Oorspronkelijk bericht-----
> > Van: samba [mailto:samba-bounces at lists.samba.org] Namens
> > Alfonso Conner via samba
> > Verzonden: woensdag 12 augustus 2020 9:25
> > Aan: Rowland penny
> > CC: samba at lists.samba.org
> > Onderwerp: Re: [Samba] Cannot contact any KDC for realm
> >
> > Hi Rowland,
> >
> > Sorry I missed out on the OS.
> >
> > CentOS Linux release 7.6.1810 (Core)
> >
> > smb.conf
> > # Global parameters
> > [global]
> >         bind interfaces only = Yes
> >         interfaces = lo ens192
> >         netbios name = SERVER1
> >         realm = EXAMPLE.COM
> >         server role = active directory domain controller
> >         workgroup = WORKGROUP
> >         idmap_ldb:use rfc2307  = yes
> >         ldap server require strong auth = no
> >         template shell = /bin/bash
> >         template homedir = /home/%U
> >         time server = yes
> >
> > [netlogon]
> >         path = /usr/local/samba/var/locks/sysvol/example.com/scripts
> >         read only = No
> >
> > [sysvol]
> >         path = /usr/local/samba/var/locks/sysvol
> >         read only = No
> >
> > Regards
> > Alfonso
> >
> > On Wed, Aug 12, 2020 at 3:04 PM Rowland penny via samba <
> > samba at lists.samba.org> wrote:
> >
> > > On 12/08/2020 02:28, Alfonso Conner via samba wrote:
> > > > Hello Samba Community,
> > > >
> > > > I would like to seek advice as my Samba AD tends to
> > consume high memory
> > > > usage caused by KDC service.
> > > > This issue will always come back within a couple of days
> > after I restart
> > > > samba-ad-dc service.
> > > > It does not help by increasing memory.
> > > >
> > > >  From message log:
> > > > kernel: Out of memory: Kill process 14527 (samba) score
> > 873 or sacrifice
> > > > child
> > > >
> > > > Identified pid 14527 belongs to kdc_server:
> > > > kdc_server             14527
> > > >
> > > > Samba installed version: 4.9.11 (dns backend using Samba_Internal)
> > > >
> > > > Configured memory:
> > > > Mem: 6GB
> > > > Swap: 4GB
> > > >
> > > > Appreciate any advice provided.
> > > > Thank you.
> > > >
> > > > Regards
> > > > Alfonso
> > >
> > > Hi, can you give us a bit more info ?
> > >
> > > OS, smb.conf etc
> > >
> > > Rowland
> > >
> > >
> > >
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