DevOps teams and security engineers use monitoring tools like Prometheus and Datadog to search for bugs and find any issues that might put an app or the entire IT infrastructure at risk. Better monitoring capabilities and aspects like event monitoring mean users can log data more effectively and engage in data collection leading to data visualization. These actions lead to infrastructure metrics, which allow experts to conduct timely analysis and prevent an app from crashing.

Elasticsearch is a search and analytics engine that allows for complex searches on large datasets of different types and formats. Elasticsearch mappings are the blueprints that define how data is indexed and searched to support these data-related features. Understanding how Elasticsearch mappings work is essential to an effective Elasticsearch deployment. In this article, we’ll explore the key concepts of Elasticsearch mappings and common Elasticsearch mapping pitfalls to avoid.

The Elasticsearch reindex API copies data from one index to another. You can use reindex to change the index mapping, copy data to another cluster, or copy only a subset of data to another index. For example, suppose you want to reindex all the data in index1 into index2. In that case, you run the following example in Kibana dev tools: In this article, we dive into some common issues solved by reindexing as well as troubleshooting issues with reindexing itself.

Ubuntu is a Linux distribution based on Debian Linux that’s mostly composed of open-source and free software. Released in three options – servers, desktop computers and Internet of Things devices. Ubuntu is highly popular, reliable and updated every 6 months, with a long-term support version released every two years. Multiple Ubuntu versions allow users to choose whether to stick with the long-term support version or the recently updated one.

Webmasters always have their hands full with everything from user experience, search engine optimization and last but not least, SSL certificates. While some may not prioritize SSL certificates, they are still critical to the correct operation of your websites. Because Secure Layer Certificates are so important, monitoring them is a must! To help you get started, we’ve compiled a list of the top 10 best tools for monitoring SSL certificates for validity, expiry, and change.

As an Elasticsearch administrator, you will inevitably have to delete an index at some point. There could be several reasons why this might be necessary: This article provides an overview of available methods to back up and restore an Elasticsearch index in the event of deletion.