[CentOS] fqdn hostname fails after reboot
Tony Schreiner
anthony.schreiner at bc.edu
Wed Feb 8 21:37:01 UTC 2012
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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