As of the 2017 Edition of SQL Server we have been able to install SQL Server on Linux. Linux will likely be more of an unfamiliar environment for traditional Microsoft SQL DBAs.
A post on installing SQL Server on Linux, following the Microsoft SQL Server 2019 Guide (Red Hat). # Install SQL Server.# Install the SQL Server Command-Line Tools.# Connect to SQL Server Locally.# Connect to SQL Server Remotely.
This post contains installation notes for installing Firewalld on an Amazon Linux 2 EC2 instance. Firewalld is a Linux firewall tool that makes it easy to create custom firewall rules.