Configure an Ubuntu 20.04 Server on ECS

This lab describes how to configure an Ubuntu 20.04 server on Alibaba Cloud Elastic Compute Service (ECS). Compared with traditional physical servers, Alibaba Cloud ECS provides a faster and stronger running method for cloud applications. ECS enables you to use the newest-generation CPU to implement more features and protect your server instances from Distributed Denial of Service (DDoS) and Trojan horse attacks. This lab describes common configurations of the Ubuntu 20.04 server r