[CentOS] Reg. setting Domain name on Cento 5 pc
Johnny Hughes
johnny at centos.org
Thu Jun 12 11:32:53 UTC 2008
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
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