host.conf problem

[Fred Grant]

On Thu, 2005-09-01 at 11:21, Rick Stevens wrote:
> Fred Grant wrote:
> > On Tue, 2005-08-30 at 20:23, Rick Stevens wrote:
> > 
> >>Bob McClure Jr wrote:
> >>
> >>>On Tue, Aug 30, 2005 at 06:24:55PM -0500, Fred Grant wrote:
> >>>
> >>>
> >>>>On Mon, 2005-08-29 at 18:18, Bob McClure Jr wrote:
> >>>>
> >>>>
> >>>>>On Mon, Aug 29, 2005 at 06:06:20PM -0500, Fred Grant wrote:
> >>>>>
> >>>>>
> >>>>>>On log-in, I periodically and sporadically get a message that the system
> >>>>>>can't determine the host for Internet use.  When I check the host.conf
> >>>>>>folder it is missing the "localhost.localdomain" info.
> >>>>>
> >>>>>That does not compute.  /etc/host.conf (a file, not a folder) normally
> >>>>>contains
> >>>>>
> >>>>> order hosts,bind
> >>>>>
> >>>>>and that's all.  Perhaps you're thinking of /etc/hosts, which should
> >>>>>have something like (mine as an example):
> >>>>>
> >>>>>127.0.0.1       localhost.localdomain   localhost
> >>>>>192.168.2.2     bobcat.bobcatos.com     bobcat
> >>>>>
> >>>>>
> >>>>>
> >>>>>>I can fix it by (as root) copying hosts.bak to this folder but it is
> >>>>>>kind of a pain.
> >>>>>>
> >>>>>>Any ideas as to why this periodically drops out?  I'm using FC2.
> >>>>>>
> >>>>>>Thanks
> >>>>>
> >>>>>Cheers,
> >>>>
> >>>>You are right Bob, it's /etc/hosts that loses the localhost.localdomain
> >>>>info.  I wonder if I could incorporate  copying of this info into the
> >>>>daily cron job?  Seems funny that the info periodically gets lost.
> >>>
> >>>
> >>>No, that's a band-aid.  Something else is wrong that needs to be fixed.
> >>>
> >>>Look in /etc/sysconfig/networking/profiles/default/hosts and see what
> >>>it looks like.  It it's improper, fix it and see if the problem
> >>>doesn't go away.
> >>>
> >>>No, I don't know how that gets into the game.  Rick probably does.
> >>
> >>Er, it could be the DHCP client requesting it from the DHCP server and
> >>gronking it.  I'd have to look.
> > 
> > 
> >>Is that something the ISP does?
> 
> Well, whoever your DHCP service is.  If you use a cable or DSL modem
> via ethernet, it'd be the modem.  If you have a router betwixt the
> modem and your machine, it'd probably be the router.  If you use a
> direct modem via the PCI bus or serial port, it'd be your ISP.
> 
> As Bob said, check /etc/sysconfig/networking/profiles/default/hosts
> and verify that it's correct.  You can then also check
> /etc/dhclient-script to see if it's stomping on it.
> ----------------------------------------------------------------------

Here is the content of /etc/sysconfig/...
> 127.0.0.1	localhost
Does it seem OK to you?