apt install sql server

1sudo apt-get update
2sudo apt-get install -y mssql-server
3

1wget -qO- https://packages.microsoft.com/keys/microsoft.asc | sudo apt-key add -
2

1sudo add-apt-repository "$(wget -qO- https://packages.microsoft.com/config/ubuntu/18.04/mssql-server-2019.list)"
2

1sudo /opt/mssql/bin/mssql-conf setup
2

1sudo add-apt-repository "$(wget -qO- https://packages.microsoft.com/config/ubuntu/20.04/mssql-server-2019.list)"
2

1systemctl status mssql-server --no-pager
2

1sudo add-apt-repository "$(wget -qO- https://packages.microsoft.com/config/ubuntu/16.04/mssql-server-2019.list)"
2