[CentOS] Really changing the hostname

Thu Feb 14 18:18:29 UTC 2013
Les Mikesell <lesmikesell at gmail.com>

On Thu, Feb 14, 2013 at 12:15 PM, Digimer <lists at alteeve.ca> wrote:
> On 02/14/2013 01:13 PM, Digimer wrote:
>> On 02/14/2013 01:11 PM, Robert Moskowitz wrote:
>>> I need to change the host name on a test server, and in the past when I
>>> used hostname to change the hostname, it did not seem to change it
>>> everywhere.
>>>
>>> I really don't want to do a rebuild just yet, but I have to feel
>>> confident that hostname is really changed (reboot is not too much of an
>>> issue).
>>>
>>> What is the recommened practice?  Other than get it right the first time.
>>
>> To make the change permanent, edit /etc/ssyconfig/network and set the
>> desired hostname after HOSTNAME=.
>>
>
> Sorry, I typo'd that;
>
> # cat /etc/sysconfig/network
> NETWORKING=yes
> HOSTNAME=<your.new.hostname>


This will get picked up on the next reboot.  You will have to use the
hostname command to make it take effect immediately, but some
applications only pick it up when they start so things like your login
prompt won't change until the next login.

-- 
   Les Mikesell
     lesmikesell at gmail.com