Re: Application-specific networking

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On 11/17/20 6:22 PM, Patrick O'Callaghan wrote:
> I've done this successfully using a VM, but not with a container. Can
> you give step-by-step instructions? I'm not very familiar with the
> container stuff other than basic uses of flatpak.

Well there are no specific steps.  It'll all depend on what VPN do you
use and what container engine you use like docker, podman etc.  There's
a whole world when it comes to containerization :) You can search for
fedora & podman tutorials.  There are plenty.

In a nutshell, instead of running a full VM with a VPN just so that you
have a level of isolation (network-wise), which is overkill, you simply
run a small container.

If you could run your VPN within a container (launched via podman) then
you can attach your regular non-containerized applications to the
container's network-namespace.   They'll be just "contained" network-wise.

Again, you'll need to have a basic understanding of how containers work
underneath (the different Linux namespaces etc) in order to play out
with this stuff.

Cheers!

-- 
Jorge
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