ubuntu apt repository on an external disk

[Antony Gelberg]

Rakotomandimby Mihamina wrote:
> Hi,
> I have a computer, not connected to the net at home.
> It has a fresh 5.10 install.
> At work, I can download whatever I need and I have a big (200GB) USB
> external drive.
> I would like to mirror up to date binaries on it then use it as a local
> source on the non-connected-to-the-net computer (at home)
> What'is the way to do it?
> I would like to have all the repos (universe, multiverse,...)
> Thank you.
> 

What OS does your work machine run?  If Debian or a derivative, aptitude 
show debmirror.