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NordVPN connection setup HOWTO

Revision as of 13:05, October 27, 2019 by Stamasd (talk | contribs)

NordVPN provides apps for Linux, but only for .deb and .rpm-based distributions. To use your NordVPN account in Funtoo, openvpn can be used in CLI mode. Here is a quick guide.

1. If you don't have it already, install openvpn.

user $ sudo emerge net-vpn/openvpn

1a. Verify that you have the necessary network devices installed. Just installing openvpn does not automatically activate the necessary tunnel device.

user $ sudo ls /dev/net/

If instead you get an error "ls: cannot access '/dev/net': No such file or directory" it means you don't have the tun module loaded. You can load it momentarily by issuing

user $ sudo modprobe tun

...and to get it to autoload at boot the next time, create (as root) a file /etc/modules-load.d/tun.conf with the contents


2. Download the NordVPN connection certificates into a directory of your choice. I keep them in my home folder into a ~/vpn directory.

user $ mkdir ~/vpn
user $ cd ~/vpn
user $ wget
user $ unzip

The above will create 2 subfolders inside ~/vpn, ovpn_tcp and ovpn_udp. Each holds the CA certificates as individual files for all NordVPN servers, for using the TCP and UDP protocols respectively.

3. Open in your browser - this will give you the name of the server NordVPN recommends that you connect to at the moment based on load, your geographic location, etc. Note that the recommended server may change from minute to minute.

Also note that on the right side of the page you can select an alternate country, as well as advanced options such as server type, protocol, security etc.

Assume for the following that the recommended server is, for instance,

4. Navigate to the folder containing the certificates for the protocol you want, TCP or UDP (I mostly use TCP) and start the VPN session. You will be prompted 3 times: first for your Funtoo user password (for sudo), next for your NordVPN username, and last for your NordVPN password. The VPN will be then established after you authenticate.

user $ cd ~/vpn/ovpn_tcp
user $ sudo openvpn
Fri Oct 25 07:57:19 2019 OpenVPN 2.4.7 x86_64-pc-linux-gnu [SSL (OpenSSL)] [LZO] [EPOLL] [MH/PKTINFO] [AEAD] built on Oct 24 2019
Fri Oct 25 07:57:19 2019 library versions: OpenSSL 1.1.1b  26 Feb 2019, LZO 2.10
Enter Auth Username:
Enter Auth Password:

(using above the certificate file corresponding to the server recommended in step 3; change as needed)

5. To end the VPN connection, use CTRL-C in the terminal to terminate the openvpn process.