[CentOS] domain name display issue in linux pc

Hi,


Thanks for your response on the kernel switching.I was away and could not reply immediately.


Right now, I am facing a differentissue. I have to set up DNS server using BIND on Centos 4.3. When Itype the hostname on Centos, it shows:
sipserver.vodcalocal.com
But the cli prompt has root at sipserver~ meaning only the sipserver part of the hostname is displayed. whyis this so? What is the actual hostname then? I see in the 
/etc/sysconfig/network that thehostname is sipserver.vodcalocal.com
the /etc/hosts file has the followingcontent:


# Do not remove the following line, orvarious programs
# that require network functionalitywill fail.
127.0.0.1 localhost.localdomain localhost sipserver
192.168.50.51 sipserver.vodcalocal.com


The /etc/sysconfig/network has thefollowing config:


NETWORKING=yes
HOSTNAME=sipserver.vodcalocal.com


I have seen in many forums that the/etc/sysconfig/network file has many other entries like domain name,gateway type, gateway ip etc, which are not present in myconfiguration. 


when i type $ domainname,
i get--
(none)


$ domainname -d
vodcalocal.com


$ domainname -f
sipserver.vodcalocal.com


Why does not the command domainnamelist the domain name? also domainname -f and domainname -d displaydifferent results. can the machine have the domainname and hostnamesame if I am going to run dns server on it?


I run a SIP server on this PC whichneeds the domainname set but whenever I type echo $DOMAIN_NAME, itshows blank and I have to export the path variable DOMAIN NAME andset it. On another screen, I again dont see the domain name set. Howto set the domain name across all terminals and sessions andrestarts?an


Thanks
Padmaja






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