CentOS - Apr 2016 - How to set hostname and domainnmae in CentOS 7?

We can permanently set hostname using  hostnamectl set-hostname. How can we
permanently set *domain name* in CentOS 7?
I found an article
<http://unix.stackexchange.com/questions/239920/how-to-set-the-fully-qualified-hostname-on-centos-7-0>
that recommended setting FQDN using hostnamectl. Is that the right way to
set hostname and domainname at the same time using *hostnamectl
set-hostname* command?

 Running *hostnamectl set-hostname* will set the hostname in* /etc/hostname*
but it doesn't change */etc/hosts*. What's the proper way of adding
hostname and FQDN to */etc/hosts *in CentOS 7?

Thanks,

Joe

vi or your text editor of choice. Though there should be a 'domainname'
command to set it as well, though I just prefer editing /etc/hosts directly.



On Tue, Apr 5, 2016 at 3:24 PM, Joe Smithian <joe.smithian at gmail.com>
wrote:
> We can permanently set hostname using  hostnamectl set-hostname. How can we
> permanently set *domain name* in CentOS 7?
> I found an article
> <
>
http://unix.stackexchange.com/questions/239920/how-to-set-the-fully-qualified-hostname-on-centos-7-0
> >
> that recommended setting FQDN using hostnamectl. Is that the right way to
> set hostname and domainname at the same time using *hostnamectl
> set-hostname* command?
>
>  Running *hostnamectl set-hostname* will set the hostname in*
> /etc/hostname*
> but it doesn't change */etc/hosts*. What's the proper way of adding
> hostname and FQDN to */etc/hosts *in CentOS 7?
>
> Thanks,
>
> Joe
> _______________________________________________
> CentOS mailing list
> CentOS at centos.org
> https://lists.centos.org/mailman/listinfo/centos
>


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On 5 April 2016 at 20:24, Joe Smithian <joe.smithian at gmail.com> wrote:
> We can permanently set hostname using  hostnamectl set-hostname. How can we
> permanently set *domain name* in CentOS 7?
> I found an article
> <
>
http://unix.stackexchange.com/questions/239920/how-to-set-the-fully-qualified-hostname-on-centos-7-0
> >
> that recommended setting FQDN using hostnamectl. Is that the right way to
> set hostname and domainname at the same time using *hostnamectl
> set-hostname* command?
>
>  Running *hostnamectl set-hostname* will set the hostname in*
> /etc/hostname*
> but it doesn't change */etc/hosts*. What's the proper way of adding
> hostname and FQDN to */etc/hosts *in CentOS 7?
>
>
Technically speaking one shouldn't put the hostname in /etc/hosts as
it's
not required so long as your DNS is working ... which it should be ...

Not sure about everyone else, but I always put my hostname in /etc/hosts.
Maybe that's from years of not always having DNS available back when the
earth was cooling.


On Apr 5, 2016 16:30, "James Hogarth" <james.hogarth at
gmail.com> wrote:
> On 5 April 2016 at 20:24, Joe Smithian <joe.smithian at gmail.com>
wrote:
>
> > We can permanently set hostname using  hostnamectl set-hostname. How
can
> we
> > permanently set *domain name* in CentOS 7?
> > I found an article
> > <
> >
>
http://unix.stackexchange.com/questions/239920/how-to-set-the-fully-qualified-hostname-on-centos-7-0
> > >
> > that recommended setting FQDN using hostnamectl. Is that the right way
to
> > set hostname and domainname at the same time using *hostnamectl
> > set-hostname* command?
> >
> >  Running *hostnamectl set-hostname* will set the hostname in*
> > /etc/hostname*
> > but it doesn't change */etc/hosts*. What's the proper way of
adding
> > hostname and FQDN to */etc/hosts *in CentOS 7?
> >
> >
> Technically speaking one shouldn't put the hostname in /etc/hosts as
it's
> not required so long as your DNS is working ... which it should be ...
> _______________________________________________
> CentOS mailing list
> CentOS at centos.org
> https://lists.centos.org/mailman/listinfo/centos
>

We can permanently set hostname using??hostnamectl set-hostname. How
can we
permanently set *domain name* in CentOS 7?
I found an article
<http://unix.stackexchange.com/questions/239920/how-to-set-the-fully-qu
alified-hostname-on-centos-7-0>
that recommended setting FQDN using hostnamectl. Is that the right way
to
set hostname and domainname at the same time using *hostnamectl
set-hostname* command?

?Running *hostnamectl set-hostname* will set the hostname in*
/etc/hostname*
but it doesn't change */etc/hosts*. What's the proper way of adding
hostname and FQDN to */etc/hosts *in CentOS 7?

Thanks,

Joe
_______________________________________________

Joe,

I used the following command in the /etc/rc.d/rc.local file which is
used at boot time.

/bin/domainname Domain.com

Make sure you also use :

chmod +x /etc/rc.d/rc.local

to make sure the file is executable.

Greg