cardano node resources

Author: 0xBora

docs/get-started/technical-concepts/consensus-staking.md

@@ -1,11 +1,13 @@
 ---
 id: consensus-staking
 title: Consensus & Staking
-sidebar_label: Consensus & Staking
+sidebar_label: (Re)introduction to Cardano
 description: Learn about consensus and staking on Cardano including the Ouroboros protocol, stake pools, and block production.
 image: /img/og/og-getstarted-technical-concepts.png
 ---
 
+<iframe width="100%" height="325" src="https://www.youtube-nocookie.com/embed/zJUJG6V0Y1o" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
+
 ### Understanding Consensus
 
 Consensus is the process by which a majority opinion is reached by everyone who is involved in running the blockchain. Agreement must be made on which blocks to produce, which chain to adopt, and to determine the single state of the network. The consensus protocol determines how individual nodes assess the current state of the ledger system and reach a consensus. It has three main responsibilities; to perform a leader check and decide if a block should be produced, to handle chain selection, and to verify blocks that are produced.

docs/operate-a-stake-pool/node-operations/installing-cardano-node.md

@@ -17,6 +17,10 @@ Binaries for the **latest** version of the node may be downloaded from the [card
 
 Alternatively, one can build `cardano-node` from source code locally.
 
+:::tip Cardano Node Course
+For a comprehensive video course on using the Cardano Node and Cardano-CLI as an end user, stake pool operator, and governance actor, check out the [Cardano Node Course](https://www.youtube.com/playlist?list=PLNEK_Ejlx3x2ut-Pq-hi0NFVsgKB3EddR) video series.
+:::
+
 ## Building from source
 
 The preferred way of building `cardano-node` is via Nix, but the node is

docs/operate-a-stake-pool/overview.md

@@ -39,7 +39,7 @@ Best practices should always be a key consideration when running a stake pool. S
 The basic category starts with learning about [relay and block producer topology](stake-pool-networking), what the [hardware requirements](hardware-requirements) are, which [keys are available](cardano-key-pairs), which are hot and sensitive, and which you should never save on a server, no matter how convenient it is.  
 
 :::tip info
-If you would like to do a deep dive on technical concepts please visit [Consensus](docs/get-started/technical-concepts/consensus-staking.md) and [Network & Communication](docs/get-started/technical-concepts/network-communication.md)
+If you would like to do a deep dive on technical concepts please visit [Consensus & Staking](../get-started/technical-concepts/consensus-staking) and [Core Concepts](../get-started/technical-concepts/)
 :::
 
 ## Stake pool operator resources