Re: hostname issue

[john doe <johndoe65534@mail.com>]

On 1/15/2018 4:10 PM, Adam Weremczuk wrote:
> Hi all,
>
> Today when I logged into my Debian 9.2 VM I noticed that the hostname 
> has changed to the first block of the IP address I was accessing this VM 
> from last:
>
> root@83:~#

The hostname is displayed by the PS* variables.

https://www.cyberciti.biz/tips/howto-linux-unix-bash-shell-setup-prompt.html

> "hostname" command was returning the full IP address 83.xxx.xxx.xxx
>
> Cat /etc/hostname was still showing the correct name.
>
> After apt-get update, ap-get upgrade (to 9.3) and reboot things went 
> back to normal.
>
> Is it a known bug?
>
> Has anybody seen anything like this before?

For some reasons your hostname was change (dhcp).
This isn't a bug! :)

--
John Doe