PX-Essential - ERROR: License is expired, PX-Central server not reachable

@darioneto The Portworx endpoint is setup such that you cannot reach the head URL. To check the health you can run the following curl from your setup
curl -k https://pxessentials.portworx.com/osb/ping
As of writing this post the service is running and serving requests. Please update with the output of the above ping.
Also, what is the output of
pxctl alert show