I've a VM that has been running until today without issues. On this VM there is installed a web app with its DB with a web app we use for internal management purpose.
Suddenly I received an error from the webapp saying that the database connection could not be estabilished (the DB as said is local to the VM).
I've then restarted the VM, the dashboard after restart was saying that the VM was running, but the monitor was totally clean (so no coloured draws regarding cpu usage, network, etc). I've restarted the VM again a couple of times and now, at least, the monitor says that the VM is alive but I cannot reach it from the internet: all the attempts go in connection timed out (ssh, browsing the homepage of my webapp, the ping, telnetting on 80, 22 or 8080 ports - of course paying attention to the IP that changed after each restart). All the port are opened with endpoints, of course. I ve also tried to cancel and re-create the endpoints.
What else can I do? How can I solve it? any idea?
Alexio