Rkhunter is a tool that scans for rootkits, backdoors, and other security issues on Linux systems. It does this by examining your files and comparing the hashes against known values of trusted software and malware. In this tutorial, we will install and set up rkhunter on a Debian 10 Vultr instance. * Follow our [best practices guide](https://docs.vultr.com/how-to-update-a-vultr-cloud-server#how-to-update-debian--ubuntu) to update your Debian system. * Create a [non-root sudo user](https://docs......