OpenVPN allow you to browse internet securely. All connection from your PC are encrypted.

OpenVPN have two parts

• OpenVPN Server
• OpenVPN Cleint

OpenVPN Server

You need to install this on a dedicated or VPS that is always connected to internet.

You can download OpenVPN server from

http://openvpn.net/index.php/access-server/download-openvpn-as-sw.html

Always download latest software from above link.

For CentOS 7 64 bit, run

wget http://swupdate.openvpn.org/as/openvpn-as-2.0.10-CentOS7.x86_64.rpm
rpm -ivh openvpn-as-2.0.10-CentOS7.x86_64.rpm

For Ubuntu 14.04 64 bit, run

wget http://swupdate.openvpn.org/as/openvpn-as-2.0.10-Ubuntu14.amd_64.deb
dpkg -i openvpn-as-2.0.10-Ubuntu14.amd_64.deb

This will install OpenVPN server.

# rpm -ivh openvpn-as-2.0.10-CentOS6.x86_64.rpm
Preparing...                ########################################### [100%]
   1:openvpn-as             ########################################### [100%]
The Access Server has been successfully installed in /usr/local/openvpn_as
Configuration log file has been written to /usr/local/openvpn_as/init.log
Please enter "passwd openvpn" to set the initial
administrative password, then login as "openvpn" to continue
configuration here: https://144.76.30.176:943/admin
To reconfigure manually, use the /usr/local/openvpn_as/bin/ovpn-init tool.

Access Server web UIs are available here:
Admin  UI: https://YOUR_SERVER_IP:943/admin
Client UI: https://YOUR_SERVER_IP:943/
# 

Now you can start, stop it with command

service openvpn start
service openvpn stop

Access OpenVPN Control Panel

OpenVPN control panels are available at following URL

Admin UI: https://YOUR_SERVER_IP:943/admin
Client UI: https://YOUR_SERVER_IP:943/

Default User Name is openvpn

We need to set password for this account, for this, run

sudo passwd openvpn

Enter password two times.

Getting OpenVPN Configuration

You need to Login to Client UI of OpenVPN at

https://YOUR_SERVER_IP:943/

User: openvpn
Password: you set with “sudo passwd openvpn” command.

Now you can download OpenVPN configration file. The file name is

client.ovpn

Connecting to VPN on Windows

You need to install OpenVPN software on Windows, You will have software download link in Client UI. This software will able to use “client.ovpn” file to connect.

Connecting to VPN from Ubuntu

First you need to install OpenVPN software, this can be done with

sudo apt-get install openvpn

Now to connect, run

sudo openvpn --config client.ovpn

Run above command on the folder where you downloaded client.ovpn file.

To connect to OpenVPN using GUI you need to install

sudo apt-get install network-manager-openvpn

By default, ubuntu 14.04 won’t import client.ovpn file, hope they will fix it soon. For now you need to follow instructions at

http://tech.vg.no/2014/02/28/openvpn-configuration-files-ubuntus-network-manager/