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Re: [Samba] run script on domain join




On Wed, 23 May 2018 09:36:48 +0200
Arnaud FLORENT via samba <samba@xxxxxxxxxxxxxxx> wrote:

> the host has first an address in dhcp pool between 192.168.1.100-200
> (it is not known by dhcpd with a fixed ip address)
> 
> 
> i would like to add a dhcpd record to provide always same ip to host
> (ie fixed-address 192.168.1.1)
> 
> when host is joined to my samba domain
> 
> 
> in NT PDC, i can do that with  "add machine script" in smb.conf
> 
> but in AD DC, this script is not run
> 
> 
> so i m searching another way to run a script when a computer join the
> AD DC domain
> 

Why do you feel the computers must have a fixed ipaddress ?

But if you must give them a fixed ipaddress, you may be able to do this
with a variation on this:

https://wiki.samba.org/index.php/Configure_DHCP_to_update_DNS_records_with_BIND9

That just updates a computers records in AD after a lease is granted,
but I think you should be able to use this as a basis to do what you
want.

Your script would have to check that /etc/dhcp/dhcpd.conf doesn't
already contain the computers MAC and if not add something like this:

host <shorthostname of client> {
           next-server dc.your-domain.com;
           hardware ethernet 00:02:c3:d0:e5:83; < MAC address of client
           fixed-address 192.168.1.1; < IP you require
}

It will probably be a bit more complex than this and I say it 'may'
work, because I have never tried it.

Rowland



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