Re: Reg. setting Domain name on Cento 5 pc

[Johnny Hughes <johnny@xxxxxxxxxx>]

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@xxxxxxxxx> 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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