Kibana - Nginx 502 Bad Gateway

Elastic Stack Kibana
1

I tried logging into Kibana and was greeted with a 502 Bad Gateway error. Our setup is a single server hosting elastic, logstash and kibana. On the server, I got a 302 redirect when running curl -i http://localhost:5601. When I changed curl -i to curl -iL to follow the redirect, I get the 200 OK message followed by the html.

The /var/log/nginx/kibana.error.log shows "[error] 1862#1862: *815 connect() failed (111: Connection refused) while connecting to upstream" when trying from my system. I'm thinking something is up with nginx but have very little experience with it. Any suggestions to troubleshoot next?

2

FIXED - The config file in /etc/nginx/sites-enabled/default was set to fqdn:5601 and changing it to localhost:5601 allowed the page to load. Not sure why it stopped working other than sometimes ELK likes localhost or fqdn or 127.0.0.1 and now it liked localhost.

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