Changing Host Name

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John J. Boyer

7 Jul 2011 7 Jul '11

4:06 a.m.

Thanks to all of you who are answering my dumb questions about my new CentOS instgallation.

I modified /etc/hosts, as the hostname man page seemed to suggest, and rebooted. The hostname is still localhost. I want to change it to jjb-centos. I also want to change the domain name to abilitiessoft.com

Thanks, John

-- John J. Boyer; President, Chief Software Developer Abilitiessoft, Inc. http://www.abilitiessoft.com Madison, Wisconsin USA Developing software for people with disabilities

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Andrew Harley

7 Jul 7 Jul

4:08 a.m.

On Thu, 7 Jul 2011 12:06:31 PM John J. Boyer wrote:

...

Thanks to all of you who are answering my dumb questions about my new CentOS instgallation.

I modified /etc/hosts, as the hostname man page seemed to suggest, and rebooted. The hostname is still localhost. I want to change it to jjb-centos. I also want to change the domain name to abilitiessoft.com

Thanks, John

Hi John,

Hostname will need to be changed under /etc/sysconfig/network to be retained upon startup. The hostname command should change the hostname immediately iirc.

Cheers,

Andy

Earl Ramirez

4:09 a.m.

On Wed, Jul 6, 2011 at 10:06 PM, John J. Boyer <john.boyer@abilitiessoft.com

...

wrote:

...

Thanks to all of you who are answering my dumb questions about my new CentOS instgallation.

I modified /etc/hosts, as the hostname man page seemed to suggest, and rebooted. The hostname is still localhost. I want to change it to jjb-centos. I also want to change the domain name to abilitiessoft.com

Thanks, John

-- John J. Boyer; President, Chief Software Developer Abilitiessoft, Inc. http://www.abilitiessoft.com Madison, Wisconsin USA Developing software for people with disabilities

CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

You can change the host name by modifying the /etc/sysconfig/network

-- Kind Regards Earl Ramirez

Michael Gliwinski

1:28 p.m.

On Thursday 07 Jul 2011 03:06:31 John J. Boyer wrote:

...

I also want to change the domain name to abilitiessoft.com

Put:

<YOUR_IP> jjb-centos.abilitiessoft.com jjb-centos

into /etc/hosts. But that will only define the domain from the perspective of this host itself. You'll also need to add this host's address to DNS for abilitiessoft.com

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Harry Sukumar

8 Jul 8 Jul

2:43 a.m.

Hi John,

You have to also change this file

/etc/sysconfig/network

in the HOSTNAME field change it to your desired name

Regards

Harry Sukumar

.-. /v\ L I N U X // \ >Phear the Penguin< /( )\ ^^-^^

John J. Boyer wrote:

...

Thanks to all of you who are answering my dumb questions about my new CentOS instgallation.

I modified /etc/hosts, as the hostname man page seemed to suggest, and rebooted. The hostname is still localhost. I want to change it to jjb-centos. I also want to change the domain name to abilitiessoft.com

Thanks, John

Simon Matter

9:15 a.m.

...

Hi John,

You have to also change this file

/etc/sysconfig/network

in the HOSTNAME field change it to your desired name

And if you configure interfaces using DHCP, you may also check /etc/sysconfig/network-scripts/ifcfg-eth? for DHCP_HOSTNAME (or something similar) and change it.

Simon

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participants (6)

Andrew Harley
Earl Ramirez
Harry Sukumar
John J. Boyer
Michael Gliwinski
Simon Matter