The following instructions outline the setup process for Stunnel + OpenVPN connections on Ubuntu 18.04:

1.   Open the Terminal

2.  To install the OpenVPN software on your system. Type

sudo apt update
sudo apt install network-manager-openvpn-gnome
sudo apt install stunnel4

Enter your password and press "Enter". Wait about 1-5 minutes, depending on speed  of your network and computer hardware.

3.   Download Stunnel configuration files here

4.   Right-click the downloaded file and select "Extract here"

5.   Edit one line in Stunnel config by changing "options = NO_SSLv2" to "options = NO_SSLv3" same as on the picture below. 

Then run Stunnel via Terminal by typing: 

sudo stunnel4 /path_to_file/server.conf

        where path_to_file is path to your stunnel configuration file

        and server.conf is the server configuration file you wish to connect to. 

        No message will be displayed. 

    IMPORTANT NOTE: Names with spaces should be included into single quotes ' '

6.   To run OpenVPN type: 

sudo openvpn /path_to_file/localhost.ovpn

where path_to_file is path to localhost.ovpn file,located inside files you extracted in step 4

Enter Auth Username: Your VPNTunnel user name

Enter Auth Password: Your VPNTunnel password

7.    If you have entered the correct login information, you will see  message 

        "Initialization sequence completed"

All of your online activities are now 100% secure and anonymous while  connected to VPNTunnel.

If you have any questions, or experience any issues while installing and setting up 

your Ubuntu device to connect to the VPNTunnel servers - please contact our Support Team anytime.