Came across this for one of my WordPress sites. I tried to stop and restart and service. And still can’t reconnect to my server. I ended up creating a new server and tried to recover from an earlier copy. The WordPress site ended up completely broken and it took me five hours to reinstall everything.
It turned out I gave up earlier on the original server. I thought that it must have been hacked somehow (it happened before but it didn’t get as bad as can’t connect afterward). It turned out that just the IP has changed and my own script using ssh didn’t change the IP. And I still don’t know why it can’t connect with the ec2 interface. But it wasted me a day trying to fix something that doesn’t need to be fixed.
And I used to use dropbox to backup my WordPress server. For some reason, dropbox breaks completely and it just used up all CPU uscd age whenever it starts.