On Friday 19 March 2004 18:10, Craig White wrote:
> On Fri, 2004-03-19 at 15:43, Ed Skinner wrote:
> > On Friday 19 March 2004 14:47, Jeremy C. Reed wrote:
> > > On Fri, 19 Mar 2004, Ed Skinner wrote:
> > > > The problem also manifested itself as certain X programs that
> > > > took an inordinately long time (some multiple of 2 minutes, again) to
> > > > launch.
> > > >
> > > > I've included the "slow" and "fast" contents below but, basically,
> > > > the answer was to add ".localdomain" to all the entries (in my local
> > > > domain).
> > >
> > > I don't think the problem is in your hosts file, but in whatever place
> > > where you have chose to use ".localdomain" as part of the hostnames.
> > >
> > > Jeremy C. Reed
> > > http://bsd.reedmedia.net/
> >
> > I haven't *intentionally* coded a ".localdomain" anywhere that I can
> > think of but perhaps it's something that is preconfigured (by Red Hat?)
> > into the distribution.
>
> ---
> # hostname
> lin-workstation.azapple.com
> [root@lin-workstation root]# cat /etc/hosts
> # Do not remove the following line, or various programs
> # that require network functionality will fail.
> 127.0.0.1 localhost.localdomain localhost
> 192.168.2.10 lin-workstation.azapple.com lin-workstation
> # cat /etc/sysconfig/network
> NETWORKING=yes
> HOSTNAME=lin-workstation.azapple.com
>
>
> -
> The important thing is that the result from the command hostname is
> within /etc/hosts (as in very very near the top).
> On RH systems (I cannot speak for all others), the hostname is obtained
> from /etc/sysconfig/network (hence the reason I used the cat command).
> This hostname also matches up on the ip address for my NIC
> (192.168.2.10) - They must exactly match.
> the command 'hostname' merely prints whatever it obtained from
> /etc/sysconfig/network and any subsequent operations that might change
> that such as settings in /etc/sysconfig/network-scripts/ifcfg-eth0 or
> commands such as 'hostname newhostname' but this last type of
> modification is lost on next boot.
> Thus it isn't about having coded .localdomain, but rather about a FQDN
> (fully qualified domain name) and whether this fqdn matches the value
> returned by the command hostname.
> Craig
Well, sorry but I have to take issue with one small point in what you say
because, omitting the domain name portion in BOTH /etc/hosts and in
/etc/sysconfig/network makes the names match exactly, but that is exactly the
configuration that was causing me so much grief.
With non-qualified (i.e., missing the domain portion) names in BOTH
places, *ALMOST* everything works fine. But, with that setting, sendmail's
startup is VERY slow (some multiple of 2 minutes).
Adding the actual domain in both places is one solution, but that forces
my system into a specific domain which causes problems when I'm travelling
and sitting on someone else's network. Instead, I omit the domain portion of
the name.
And, apparently in consequence of that omission, I need the
".localdomain" in /etc/hosts.
Perhaps because of my travel requirements, I guess my configuration is
somewhat unique.
To wrap up, my /etc/sysconfig/network is:
NETWORKING=yes
HOSTNAME=bobby
And my /etc/sysconfig/network-scripts/ifcfg-eth0 is:
DEVICE=eth0
ONBOOT=yes
BOOTPROTO=dhcp
And, finally, my /etc/hosts is:
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