2012/2/8 Earl Ramirez <earlaramirez@xxxxxxxxx>:
> On Wed, Feb 8, 2012 at 5:52 PM, Chris <xchris89x@xxxxxxxxxxxxxx> wrote:
>
>> 2012/2/8 Tony Schreiner <anthony.schreiner@xxxxxx>:
>> >
>> > 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?
>>
>> I have 5 systems with the same DNS configuration. (name servers in
>> /etc/resolv.conf)
>>
>> It seems that /etc/hosts is ignored.. on this system only. But I do
>> not know why :(
>>
>> --
>> Chris
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>>
>
> Chris,
>
> verify the config in your /etc/nsswitch.conf
Yes, default config. Without any changes...
--
Chris
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