link to ubuntu guide

docs/the_nimbus_book/src/.medalla-troubleshooting.md

@@ -1 +0,0 @@
-# Troubleshooting Medalla

docs/the_nimbus_book/src/advanced.md

@@ -1,7 +1,19 @@
 # Advanced Usage for Developers
 
-Latest updates happen in the `devel` branch which is merged into `master` every week on Tuesday before deploying a new testnets
-The following sections explain how to setup your build environment on your platform.
+Latest updates happen in the `devel` branch which is merged into `master` every week on Tuesday.
+
+This page contains tips and tricks for developers, further resources, along with information on how to set up your build environment on your platform.
+
+### Ubuntu guide
+
+See [this excellent resource](https://medium.com/@SomerEsat/guide-to-staking-on-ethereum-2-0-ubuntu-medalla-nimbus-5f4b2b0f2d7c) for detailed step-by-step guide on how to stake on eth2 with Ubuntu.
+
+It contains instructions on how to:
+
+- Configure a newly running Ubuntu server instance
+- Configure and run an eth1 node as a service
+- Compile and configure the Nimbus client for eth 2, phase 0 (Medalla testnet)
+- Install and configure [Prometheus](https://prometheus.io/) metrics and set up a [Grafana](https://grafana.com/) dashboard
 
 ### Windows dev environment
 

docs/the_nimbus_book/src/medalla.md

@@ -6,6 +6,8 @@ If you generated your signing key using the [eth2 launchpad](https://medalla.lau
 
 > If you haven't created your validator key yet, we recommend you do so using the [launchpad](https://medalla.launchpad.ethereum.org/). If you're not sure what the eth2 launchpad is, we recommend reading this [introductory post](https://blog.ethereum.org/2020/07/27/eth2-validator-launchpad/) first.
 
+> If you're an advanced user running Ubuntu, we recommend you check out this [excellent and complementary guide](https://medium.com/@SomerEsat/guide-to-staking-on-ethereum-2-0-ubuntu-medalla-nimbus-5f4b2b0f2d7c).
+
 
 ## Prerequisites