Re: fqdn hostname fails after reboot

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On Feb 8, 2012, at 4:22 PM, Chris wrote:

> Hi,
> 
> I have several machines running CentOS 6.2 and a strange problem with
> the hostname of one machine... After every reboot it loses the fqdn
> hostname.
> 
> Here is my confguration:
> 
> ifconfig | grep "inet addr"
>          inet addr:10.0.0.12  Bcast:10.0.0.255  Mask:255.255.255.0
>          inet addr:127.0.0.1  Mask:255.0.0.0
> 
> /etc/sysconfig/network
> 
> NETWORKING=yes
> HOSTNAME=x800.mydomain.local
> GATEWAY=10.0.0.1
> 
> 127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4
> ::1         localhost localhost.localdomain localhost6 localhost6.localdomain6
> 10.0.0.12   x800.mydomain.local   x800
> 
> ... after a reboot:
> 
> hostname
> x800.mydomain.local             < OK
> 
> hostname -f
> hostname: Unknown host       < NOT OK
> 
> dnsdomainname
> dnsdomainname: Unknown host      < NOT OK
> 
> If I set the hostname manually:
> 
> hostname x800.mydomain.local
> 
> hostname -f
> x800.mydomain.local    < OK
> 
> dnsdomainname
> mydomain.local    < OK
> 
> Everything is okay ...
> 
> Something I've never experienced before. Does anyone have an idea?
> 
> thx
> 
> --
> Chris

When I strace hostname -f  I see it checking with my name server.
Are your 2 systems set up differently with respect to name resolution and/or DNS?

Tony

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