I just upgraded to the latest LTS version 22.04.1. Everything went smoothly and I was asked to reboot the server to finish the upgrade. Post this, when I try to access my webserver, I see the error 502 Bad Gateway nginx/1.18.0 (Ubuntu).
From the error logs, I see this: [notice] 50936#50936: using inherited sockets from "7;8;"
Both the nginx and the mysql servers are active and running. How do I fix this?