SerwerWeb.pl

To install openvpn does not need to perform special steps.
The following description of the instant installation

We update our system:
apt-get update
apt-get upgrade

Then grab a package from the openvpn:
https://openvpn.net/index.php/access-server/download-openvpn-as-sw.html

Select appropriate for your operating system, This example will demonstrate Debian 9

wget https://swupdate.openvpn.net/beta-downloads/as-2.5/openvpn-as-2.5.beta3-Debian9.amd_64.deb

Then we unpack it and install:

dpkg -i openvpn-as-2.5.beta3-Debian9.amd_64.deb

After unpacking and installing we should get a similar result in the console:

Please enter "passwd openvpn" to set the initial
administrative password, then login as "openvpn" to continue
configuration here: https://94.130.246.172:943/admin

To reconfigure manually, use the /usr/local/openvpn_as/bin/ovpn-init tool.

+++++++++++++++++++++++++++++++++++++++++++++++
Access Server Web UIs are available here:
Admin  UI: https://94.130.246.172:943/admin
Client UI: https://94.130.246.172:943/
+++++++++++++++++++++++++++++++++++++++++++++++

Where Admin UI is the address of the administrative panel and the Client UI is a link to the client through which we can connect and download the program to your computer.

The last is the need to give the password for the administrator created your login:openvpn

following command in the console:

passwd openvpn

and we give a new password which will be able to log on to both the admin and client.

important!
The server must be enabled modules TUN / TAP
No problem after the service account should be given the option to enable.