Re: HOstname - LInux - postfix

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On 11/26/06, Matthew Saltzman <mjs@xxxxxxxxxxxxxxx> wrote:
On Sun, 26 Nov 2006, Guillermo Garron wrote:

> On 11/25/06, Maillist-Norm <maillist@xxxxxxx> wrote:
>> Guillermo Garron wrote:
>> > Hi,
>> >
>> > I have this problem
>> >
>> > my email server's DNS name is
>> >
>> > ns1.mydomain.com, and it is registered in the reverse DNS also with
>> > that name, when i installed my server at the hostname i entered
>> >
>> > centos-server.mydomain.com
>> >
>> > when i tried to send an email from the root console with
>> >
>> > # mail root
>> >
>> > the email is returned saying that
>> >
>> > root@xxxxxxxxxxxxxxxxxxxxxxxxxx, could not be verified
>> >
>> > i used the command
>> > # hostname ns1.mydomain.com
>> > and also edited the file.
>> >
>> > /etc/hosts,
>> > but i have the same result, the hostname did not change, i even
>> > restart my server with no luck.
>> >
>> > what am I missing?
>> >
>> > regards,
>> >
>> > Guillermo.
>> >
>> >
>> The only way I have been able to get a name change to stick is to boot
>> into level 3 and edit  etc/sysconfig/network.
>> Norm
> Thanks Norm,
>
> this really worked!

The same effect can be had by changing the hostname in the DNS tab of
system-config-network.  Contents of /etc/hosts can be edited from the
Hosts tab.
I did that, but it only really worked when i made what Norm said.

seems like /etc/sysconfig/network can only be changed by editing it by
hand, I had to restart the server in order to have the changes
applied.

Guillermo.

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