Ubuntu Server Device Name

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Thank you Arun!!

I think I understand it better.

Appreciate all your help!!

Keith


On 2024-07-24 11:52, Arun Khan via PLUG-discuss wrote:
> On Tue, Jul 23, 2024 at 3:54 PM Keith Smith via PLUG-discuss
> <plug-discuss at lists.phxlinux.org> wrote:
> 
>> Hi,
>> 
>> I am in the process of installing Ubuntu server 24.04 as a guest
>> using
>> VirtualBox on Win 10. To do so I have to deactivate my access
>> control
>> list on my router.
>> 
>> This guest is in the initial process of being configured.  I an on
>> the
>> very first question that is about the keyboard.
>> 
>> I am looking at my firewall and is showing it has a device name of
>> "UBUNTU-SERVER".  It has an IP that I assume was provided by the
>> router
>> (dhcp).
> 
> That would be correct.
> 
>> Where does this device name of "UBUNTU-SERVER" come from?  I assumed
>> in
>> the past this was the hostname.
> 
> Most installations will give a default hostname in the OS.  Most
> systems, when requesting an IP from a DHCP server, will declare their
> hostname.
> Most likely your Ubuntu Guest OS has the hostname UBUNTU-SERVER.
> Check the BASH prompt.
> DHCP servers can also supply the device it's hostname but I don't
> think that's the case in your setup.
> 
>> In the past when I have configured a guest using Ubuntu 24.04
>> server,
>> after completing the install, the device name in my router says
>> "UNKNOWN".  It does not show the hostname.
> 
> Your router's DHCP server most likely ignores the client hostname.
> 
> Use Wireshark (on your desktop) to capture the DHCP sequence if you
> want to dig deeper into what's going on.
>  --
> 
> --
> 
> Arun Khan
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