2012/2/8 Earl Ramirez <earlaramirez at gmail.com>: > On Wed, Feb 8, 2012 at 5:52 PM, Chris <xchris89x at googlemail.com> wrote: > >> 2012/2/8 Tony Schreiner <anthony.schreiner at bc.edu>: >> > >> > 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 >> _______________________________________________ >> CentOS mailing list >> CentOS at centos.org >> http://lists.centos.org/mailman/listinfo/centos >> > > Chris, > > verify the config in your /etc/nsswitch.conf Yes, default config. Without any changes... -- Chris