Using pre-existing OpenVPN server certificates on new server

fxfxfx

I have a backup copy of ca.crt, ca.key, crl.pem, dh.pem, server.conf, server.crt and server.key from my now deleted VPS hosting my OpenVPN server. The VPS was lost. Now I have a fresh VPS running Ubuntu 14.04.4 (again).

My goal: To reinstall the backup files on a freshly installed OpenVPN server (using Nyr's script for basic setup and modify it from there), so the clients can continue accesing the OpenVPN server without installing new profiles on all clients.

Is this possible - and how? Which directories do I need to copy the files to?

I already tried copying them to each and every location I found them existing on a fresh install and overwrote them, of course. Did not work.

I have done this on routers, where I find it quite easy, of course, since it's UI-based with copy/paste.

The OpenVPN server installation is not part of what I seek assistance for. It is only for configuring it with the existing files from the previous server, if possible.

Any helpful input is appreciated.

Thanks in advance.

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fxfxfx wroteIs this possible

Yes

fxfxfx wroteWhich directories do I need to copy the files to?

Where ever you configure openvpn to load them from ..

fxfxfx wroteVPS running Ubuntu 14.04.4

Typically you would have the files somewhere like /etc/openvpn/server/pki/*.*

However, you will need your entire backup from the easyrsa folders that you created your PKI to use easyrsa with them again.