OpenVPN client connecting to OpenVPN server with 2FA

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New Around Here
Hello folks! I am attempting to connect to an OVPN Server that requires a response to a 2FA challenge using the Asus/Merlin OVPN client. Is this in any way doable? I don't mind dropping into the CLI to start the connection, and I have tried that in the hope that I would get the 2FA challenge but I was not successful. Any suggestions will be greatly appreciated, thanks!
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New Around Here
I have managed to fudge this somewhat, by copying the entire generated setup onto the USB stick and running it manually, thus having a tty available to respond to the 2FA challenge. It would have been nice if a pop-up window or something else was available to feed the challenge into the script but eh!

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