/etc/hosts and system entries

[Tomas Mraz]

On Thu, 2007-09-27 at 10:07 -0400, Simo Sorce wrote:
> On Thu, 2007-09-27 at 09:59 -0400, Harry Hoffman wrote:
> > Hi,
> > 
> > So, /etc/hosts comes setup by default (i.e. after kickstart install)
> > 
> > # Do not remove the following line, or various programs
> > # that require network functionality will fail.
> > 127.0.0.1               localhost.localdomain localhost
> > 
> > I'm fairly certain to not too long ago (redhat-9 perhaps) the hostname 
> > of the system was also added to the localhost entry:
> > 
> > 127.0.0.1  my.host.com my localhost.localdomain localhost
> > 
> > 
> > This had the distinct advantage that when apps (i.e. yum-updatesd) sent 
> > mail from the system via a mail host then address would appear as:
> > root at my.host.com  instead of root at localhost.com
> 
> But breaks miserably in other situations when you wanto to resolve the
> ip address of your machine. A typical example is kerberos and winbindd
> (also using kerberos).
> 
> > Am I remembering correctly, in terms of how I believe it used to be? If 
> > so, anyone know why it changed?
> 
> Breaks stuff.

Yes, it also causes this problem:
https://bugzilla.redhat.com/show_bug.cgi?id=217925

-- 
Tomas Mraz
No matter how far down the wrong road you've gone, turn back.
                                              Turkish proverb