Let's Chat is a free, open-source application that provides self-hosted messaging to small teams. In this article, we will install Let's Chat on a Debian 10 (Buster) Vultr instance. * A fresh Debian 10 Vultr instance [with the latest updates](https://docs.vultr.com/how-to-update-a-vultr-cloud-server#how-to-update-debian--ubuntu). * Make a sudo user named **letschat**. Follow the Vultr [best practices guide](https://docs.vultr.com/how-to-use-sudo-on-a-vultr-cloud-server#create-a-sudo-user-on-deb......