Cumulus NetQ 2.0.x, 2.1.x, and 2.2.0 can be upgraded to the newest NetQ 2.2.x release. Cumulus NetQ 1.x versions require a new install.
If you are upgrading from NetQ 2.x software installed on your own hardware server, please follow the instructions in Upgrade NetQ Software on Your Server.
If you are upgrading the NetQ Appliance or the NetQ Cloud Appliance, please follow the instructions in Upgrade Your NetQ or NetQ Cloud Appliance.
If you are installing Cumulus NetQ software for the first time or are upgrading from NetQ 1.4.x, please follow the instructions in Install NetQ