Stake pool node - cardano-node & Cardano-cli command not found

no - just copy-pasted the instructions from the guide.
to be honest I am not familiar with that guide and there is a bug, so I also recommend to use the official one:
https://docs.cardano.org/projects/cardano-node/en/latest/getting-started/install.html

but yes, that does not contain for example run the node as a service, but good to have both…