This article introduces how to install ExpressVPN on Ubuntu. Download the deb package with wget, install it with dpkg, then authenticate the serial key with expressvpn activate, and establish VPN access to any location.
cd /tmp/
wget https://download.expressvpn.xyz/clients/linux/expressvpn_1.4.5_amd64.deb
sudo dpkg -i ./expressvpn_1.4.5_amd64.deb
expressvpn activate
expressvpn connect "Singapore"
expressvpn status