Hosts file

[Aaron Konstam]

On Sat, 2007-10-13 at 21:34 +0200, antonio montagnani wrote:
> 2007/10/13, Tim <ignored_mailbox at yahoo.com.au>:
> > On Sat, 2007-10-13 at 06:22 -0500, Aaron Konstam wrote:
> > > But you reason for changing the host file makes no sense to me. TThe
> > > hostname yes but not the hosts file. The hosts file contains machine
> > > names you will use for outbound traffic and that should remain
> > > unchanged.
> >
> > The hosts file does *more* than that, that's why you're not seeing the
> > reason.
> >
> > The machine can also use it to work out its own addresses.  A DHCP
> > server can change YOUR addresses, and hostname.  Modifying the hosts
> > file and resolv.conf file, amongst other files that could be changed,
> > *can* be done to ensure that your machine can work its own addresses
> > out, without needing an external DNS server.
> >
> > A DHCP server can also tell you other addresses to use, such as NTP,
> > NNTP, SMTP servers, and so on.  Those addresses could also be added to a
> > hosts file, dynamically, if it were to be beneficial.
> >
> > --
> > (This box runs FC7, my others run FC4, FC5 & FC6, in case that's
> >  important to the thread.)
> >
> > Don't send private replies to my address, the mailbox is ignored.
> > I read messages from the public lists.
> >
> >
> > --
> > fedora-list mailing list
> > fedora-list at redhat.com
> > To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list
> >
> 
> I am learning a lot from this thread.
> I have only one question: if hosts file can be emptied by any DHCP
> server (maybe what happened in my case, I can't check because my
> server is sleeping in the office until monday...), I don' understand
> why an empty file can prevent from logging into the machine (that is
> what I experienced on my laptop..)
> -- 
I suspect because login in requires at least a definition of localhost
in the hosts file.
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Aaron Konstam telephone: (210) 656-0355 e-mail: akonstam at sbcglobal.net