[CentOS] Reg. setting Domain name on Cento 5 pc

Padmaja R urvthme at gmail.com
Thu Jun 12 13:16:57 UTC 2008


On Thu, Jun 12, 2008 at 5:02 PM, Johnny Hughes <johnny at centos.org> wrote:

> Padmaja R wrote:
>
>> Hi,
>> thanks for the reply, I sometime back changed the hostname using the
>> /etc/sysconfig/network only. However, that only has 2 lines in it-
>> Networking=Yes, Hostname=sipx.com
>>
>> Where can I edit the dnsdomainname and domainname variables? I do not see
>> those variables in /etc/hosts or /etc/sysconfig/network.
>>
>> Thank You
>>
>>
>>
>> On Thu, Jun 12, 2008 at 1:41 PM, mkn0014 <mkn0014 at gmail.com> wrote:
>>
>>  Padmaja R wrote:
>>>
>>>  Hi all,
>>>>
>>>> I am running centos 5.1 and I wish to change the domain name and
>>>> dnsdomainname of my PC. currently the settings are--
>>>>
>>>> $ hostname
>>>> sipx.com <http://sipx.com>
>>>> $ hostname --fqdn
>>>> sipx.com <http://sipx.com>
>>>> $ domainname
>>>> (none)
>>>> $ dnsdomainname
>>>> com
>>>>
>>>> I have searched in the net for tips but everywhere only the hostname
>>>> change is provided. I need to change/set the domain name and the
>>>> dnsdomain
>>>> name on my pc to sipx.com <http://sipx.com> and this should be a
>>>> permanent one across system reboots. Please let me know how to do this.
>>>>  The
>>>> domain name settings are required for a networking/ SIP telephony
>>>> applications that I am running but it is internally in the LAN, so I
>>>> think
>>>> the name sipx.com <http://sipx.com> if chosen as my pc's domain name
>>>> will
>>>> not cause any conflict with the external domain names in the Internet.
>>>>
>>>> Thank You
>>>>
>>>>  Edit /etc/sysconfig/network
>>> Restart
>>>
>>
> IF you have 3 names in your host name it will work ... it will not work
> with just 2 names.
>
> you need host.domain.com
>
> right now, your host is sipx ... you have NO DOMAIN NAME except .com
>
> you can easily then also set and alias in /etc/hosts to sipx.com ... and
> also use an alias in apache as well.
>
> If you use a proper FQDN with 3 names then everything will "JUST WORK" ....
>
> Take this name that I use:  myth.home.local
>
> $ hostname
> myth.home.local
>
> $ hostname --fqdn
> myth.home.local
>
> $ dnsdomainname
> home.local
>
> Note:  use also used the domainname command, that command has nothing to do
> with dns names, but with "the system's NIS/YP domain name".
>
> Thanks,
> Johnny Hughes
>



Hi all,
Thanks for the replies with the dnsdomainname settings, it works fine now,
I would however, like to set the domainname (not the dnsdomainname) as well
which is also called the NIS/YP domainname. Please let me know how.

Thanks,
Padmaja
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