Oliver questions

Oliver answers

• Prometheus only scrapes one pod
• How to secure a Digital Ocean Elasticsearch cluster?
• Update nginx in ubuntu 14.04
• On kubernetes helm how to replace a pod with new config values
• Sending metrics from telegraf to prometheus
• Compound primary key in RethinkDB
• Docker not able to use all of Macbook's CPU cores
• How to connect MongoDB which is running on Kubernetes cluster through UI tools like MongoDB Compass or RoboMongo?
• Query label_values not found in Prometheus [closed]
• UFW firewall is not working on Ubuntu in DigitalOcean