Added notice about not working on old ubuntus

README.md

@@ -62,6 +62,8 @@ Repeat step 3 for more servers on one machine. You should be able to find its po
 
 #Ubuntu setup
 
+NodeJS does not support EOL ubuntu releases. Make sure you are on the most recent LTS release or newer.
+
 Master and all slaves:
 
     sudo curl -sL https://deb.nodesource.com/setup_7.x | sudo -E bash - && sudo apt install -y git nodejs && git clone https://github.com/Danielv123/factorioClusterio.git && cd factorioClusterio && npm install && curl -o factorio.tar.gz -L https://www.factorio.com/get-download/latest/headless/linux64 && tar -xvzf factorio.tar.gz
@@ -74,4 +76,8 @@ downloads and installs nodejs, git and clusterio. To specify a version, change "
     
 **Slave**
     
+To download the mod for all its non vanilla features and items, (optional)
+
+    node client.js download
+    
     node client.js start [instancename]