[ILUG] Some questions about uname, hostname

[Conor Wynne]

ollie at eillo.org wrote:
> Hello Everyone,
>
> I have some questions about uname, hostname and /etc/hosts
>
> on a Linux box output of the commadn uname -a is:
>
> Linux one04 2.6.16.54 . . . . . .  #Im not typing the whole thing
Copy paste :-)
>
> What exactly is dub04 and where does it come from?
Probably dhcp.
>
> On the same box the output of the command "hostname" is "two04"
>
> In /etc/hosts only "two04" is present.
Check /etc/sysconfig/network as there may be a different hostname
defined in there.
>
>  - The names are made up but correspond to the situation im seeing.
>  - This is some kind of Hi Availability system - im not sure what.
>
> In this case where could "two04" coming from and why is it different
> to what I see in uname -a?
You can use hostname to change the, er, hostname ;-0
>
> Im just trying to satisfy my curiosity :)
>
> Best Regards,
>
> Oliver.

Conor.