Let’s Encrypt has announced that it will no longer send certificate expiration notification emails. What now?

Resources

High-quality resources to help you get started, or progress.

Docker Swarm Cheat Sheet

How is this helpful? This Docker Swarm Cheat Sheet covers all you need to know from initializing a swarm, listing and describing services, to creating and removing networks, monitoring services,

Docker Commands Cheat Sheet

How is this helpful? Evaluating docker for a future log management or monitoring project? This Docker cheat sheet covers all you need to know from creating and starting a container

Kubernetes Cheat Sheet

How is this helpful? This Kubernetes Cheat Sheet puts all key Kubernetes commands (think kubectl) at your fingertips.  Organized in logical groups from resource management (e.g. creating or listing pods,

Solr API Metrics Cheat Sheet

How is this helpful? This Solr / SolrCloud Metrics API Cheat Sheet shows you how to access all the new Solr metrics - Jetty Metrics, JVM Metrics, Solr Node Metrics,

Solr Cheat Sheet

How is this helpful? This Solr / SolrCloud Cheat Sheet shows you how to access all the new Solr features - Running​ ​ Solr, Data​ ​ Manipulation, Searching, Faceting, Streaming​

Elasticsearch Developer Cheat Sheet

How is this helpful? This Elasticsearch Developer Cheat Sheet provides a comprehensive list of key Elasticsearch operations every developer needs – index creation, deletion, mapping manipulation, indexing API, ingestion API,

Elasticsearch DevOps Cheat Sheet

How is this helpful? If you manage Elasticsearch clusters you'll find this cheat sheet created by Sematext Elasticsearch experts very handy. In it you will find a comprehensive list of copy-paste