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

Datadog vs. Splunk: Which Is the Better Observability Solution [2024 Comparison]

Datadog and Splunk are among the most popular performance monitoring tools available on the market. If you’re looking for such a solution and looking to scratch one off your shortlist,

Datadog vs. New Relic: Which One Is Better [2024 Comparison]

Choosing an excellent application performance monitoring tool is a challenging task. Nowadays, there are dozens of instruments, and it can be problematic to pick the right one. However, when looking into

Prometheus vs Datadog: Comparing Differences & Features [2023]

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

10 Best Datadog Competitors & Alternatives [2024 Comparison]

Several years ago, there was little choice among performance monitoring tools. You had to deal with what the market offers. Datadog is one of the oldest solutions available and, thus,

How to reindex your Elasticsearch data

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

Avoid common mistakes when assigning Elasticsearch Mappings in your cluster

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

15 Best Ubuntu Monitoring Tools (Free & Paid) in 2025

Ubuntu is a …just kidding. Let’s skip over the preamble and jump right in. Why Monitor Ubuntu Systems Monitoring Ubuntu systems is essential to maintaining optimal performance and reliability. It

How to Find and Fix Elasticsearch Unassigned Shards

When a data index is created in Elasticsearch, the data is divided into shards for horizontal scaling across multiple nodes. These shards are small pieces of data that make up

When and How to Delete an Elasticsearch Index?

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: A field is mapped as

10 Best Tools to Monitor SSL Certificate Expiry, Validity & Change [2023 Comparison]

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

OpenSearch vs Elasticsearch: Which One Is Better to Use?

Whenever we start a search consulting project from scratch, the obvious question is: which search engine to use? We’ve talked about Elasticsearch vs Solr before, but here we’ll compare Elasticsearch

Server Health and Performance Monitoring Best Practices

Businesses that have mission-critical applications deployed on servers often have operations teams dedicated to monitoring, maintaining, and ensuring the health and performance of these servers. Having a server monitoring system

Key Elastic Dev Commands for Troubleshooting Disk Issues

Disk-related issues with Elasticsearch can present themselves through various symptoms. It is important to understand their root causes and know how to deal with them when they arise. As an

What To Do When Elasticsearch Data Is Not Spreading Equally Between Nodes

Elasticsearch (ES) is a powerful tool offering multiple search, content, and analytics capabilities. You can extend its capacity and relatively quickly horizontally scale the cluster by adding more nodes. When

Java Logging Frameworks Comparison: SLF4j vs Log4j vs Logback vs Log4j2 [Differences]

Any software application or a system can have bugs and issues in testing or production environments. Therefore, logging is essential to help troubleshoot issues easily and introduce fixes on time.

10+ Best Status Page Tools: Free, Open source & Paid [2023 Comparison]

Communication with our users is very important. You want them to be aware of the new features that your platform exposes, exciting news about the company, but also about the

Python Logging Tutorial: How-To, Basic Examples & Best Practices

Logging is the process of keeping records of activities and data of a software program. It is an important aspect of developing, debugging, and running software solutions as it helps

10 Best Apache Log Analyzers: Free & Paid Tools [2023 Comparison]

Apache is the second most popular web server, after …., with its roots and official release going back as far as 1995. Throughout the years, it gained features, including HTTP/2,