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[linux-help] Re: $HOSTNAME

[linux-help] Re: $HOSTNAME

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To: <linux-help@xxxxxxxxx>
Subject: [linux-help] Re: $HOSTNAME
From: "Adam M. Sennott" <kryste01@xxxxxxx>
Date: Sun, 19 May 2002 23:06:47 -0700
Reply-to: linux-help@xxxxxxxxx

Jeff Vian wrote:
> The other file,
> /etc/hosts
>     stores name/address mappings so your pc does not have to do a DNS
> lookup for those hosts you choose to put in it.
>     This file MUST contain the ip address and name of the local host
> (whatever the hostname and domain is), and the default for the
> localhost and localhost.localdomain. If it does not at least contain
> those, MANY things will not work, such as Xwindows.

Here is where my lack of professional networking experience cases me a bit
of confusion.

I don't know what my host name is....I know I am a part of the
domain, but do I need to call my ISP to get my host name?

When I was using windows, I didn't need it because I just made up a NetBIOS
name which was whatever I wanted it to be.

I don't have a file /etc/hostname, and under /etc/hosts all I have is:            localhost.localdomain        localhost

I don't have any trouble running KDE, sending mail from KDE with KMail,
running other processes, etc, but when it comes to sending mail from the
command line with sendmail I constantly get MAILER-DAEMON letters to root
saying I can't send mail because "" is not a legitimate fully
qualified domain name, where "xxx" is whatever name I chose for my host.

Maybe I need to call the ISP.

Adam S.

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