Set up OpenVPN connection on Ubuntu with DNS solving

2020-07-11

Part 1. Set up OpenVPN

Install OpenVPN:

sudo apt install openvpn

Write down your configuration:

sudo vim /etc/openvpn/client.conf

Example:

client
proto udp
dev tun
remote ovpn.myvpnserver.net
nobind
persist-key
persist-tun
comp-lzo
script-security 2
up /etc/openvpn/update-resolv-conf
down /etc/openvpn/update-resolv-conf

Download update-resolv-conf script:

sudo wget -O /etc/openvpn/update-resolv-conf https://raw.githubusercontent.com/alfredopalhares/openvpn-update-resolv-conf/master/update-resolv-conf.sh
sudo chmod +x /etc/openvpn/update-resolv-conf

Part 2. Set up DNS solving

Way 1. Via resolvconf

Set up resolvconf package so it will manage DNS settings

sudo apt install resolvconf

Create symlink to resolv.conf

sudo ln -s /run/resolvconf/resolv.conf /etc/resolv.conf

Way 2. Via NetworkManager

Described here https://www.comss.ru/page.php?id=6994

Part 3. Connect OpenVPN

sudo service openvpn start