For virtualbox i tend to start here
https://www.virtualbox.org/wiki/Linux_Downloads

but .deb is a native debian, and therefore ubuntu package type. and you can
usually just doublecliock on your (hopefully trustworthy) deb package.

On Wed, Nov 9, 2022 at 8:09 PM Keith Smith via PLUG-discuss <
plug-discuss@lists.phxlinux.org> wrote:

>
> Hi,
>
> I have installed Kubuntu 22.04 and an getting familiar with it and have
> some questions.
>
> I was researching how to install Oracle's VirtualBox and the way is to
> go to the K-Menu and do a search.  It comers up with a .deb package.  I
> was able to install it no problem and I can launch it from the K-Menu.
>
> 1) Is the .deb a different repository?  When I do a package upgrade does
> it get upgraded?  How do I uninstall if I want?
>
> 2) I want to install the Extension, as suggested.  The docs I am
> following says click File > Preferences > Extensions > Add a new
> package.
>
> I do not have extensions in the menu.
>
> Any help much appreciated,
>
> Keith
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-- 
A mouse trap, placed on top of your alarm clock, will prevent you from
rolling over and going back to sleep after you hit the snooze button.

Stephen