Link to supported OSes (dotnet#8423)

Fixes dotnet#8421

aspnetcore/host-and-deploy/linux-nginx.md

@@ -13,6 +13,8 @@ By [Sourabh Shirhatti](https://twitter.com/sshirhatti)
 
 This guide explains setting up a production-ready ASP.NET Core environment on an Ubuntu 16.04 server. These instructions likely work with newer versions of Ubuntu, but the instructions haven't been tested with newer versions.
 
+For information on other Linux distributions supported by ASP.NET Core, see [Prerequisites for .NET Core on Linux](/dotnet/core/linux-prerequisites).
+
 > [!NOTE]
 > For Ubuntu 14.04, *supervisord* is recommended as a solution for monitoring the Kestrel process. *systemd* isn't available on Ubuntu 14.04. For Ubuntu 14.04 instructions, see the [previous version of this topic](https://github.com/aspnet/Docs/blob/e9c1419175c4dd7e152df3746ba1df5935aaafd5/aspnetcore/publishing/linuxproduction.md).
 
@@ -377,6 +379,7 @@ Add the line `add_header X-Content-Type-Options "nosniff";` and save the file, t
 
 ## Additional resources
 
+* [Prerequisites for .NET Core on Linux](/dotnet/core/linux-prerequisites)
 * [Nginx: Binary Releases: Official Debian/Ubuntu packages](https://www.nginx.com/resources/wiki/start/topics/tutorials/install/#official-debian-ubuntu-packages)
 * [Configure ASP.NET Core to work with proxy servers and load balancers](xref:host-and-deploy/proxy-load-balancer)
 * [NGINX: Using the Forwarded header](https://www.nginx.com/resources/wiki/start/topics/examples/forwarded/)