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Open Source

Open Source Automation Tools: The Most Popular Options + How to Choose

When looking at the broad landscape of IT automation tools, you’ll find dozens of tools that seem like viable solutions to your automation needs. Almost all of those tools can be broken down into two categories: Open source automation tools and commercial automation tools. (Open source automation tools with a commercial offering are still considered open source, even if the commercial version has a price tag.)

Explore Apache Kafka Tiered Storage

Get an introduction to Apache Kafka® Tiered Storage which enables more effective data management by utilizing two different storage types—local disk and remote cloud storage solutions such as Amazon S3, Google Cloud Storage, and Azure Blob Storage. This feature offers a tailored approach to data storage, allowing you to allocate frequently accessed data to high-speed local disks while offloading less critical or infrequently accessed data to more cost-effective remote storage solutions. Tiered storage enables you to indefinitely store data on specific topics without running out of space. Once enabled, it is configured per topic, giving you granular control over data storage needs.

Monitoring Pi-hole using Pi-hole Exporter and OpenTelemetry: A Comprehensive Guide

Pi-hole is a fantastic open-source DNS-based ad blocker that enhances your online experience by blocking unwanted ads and trackers network-wide. Monitoring the performance and status of your Pi-hole setup is essential to ensure its effectiveness. Next, we'll explore how to use a Prometheus exporter to expose metrics from Pi-hole and have the OpenTelemetry collector scrape the metrics and send them to Splunk Observability Cloud.

How to securely query AWS S3 from ClickHouse

ClickHouse is a powerful analytical database, loading data from an AWS S3 bucket allows you to quickly start analyzing the data without having to download and upload them manually in the database. Writing data to S3 allows you to offload some cold data, while keeping all the hot data in ClickHouse and, with the usage of federated queries, being able to query both hot and cold data at the same time.

Aiven workshop: Data Persistence 101: Spring Boot and MySQL Edition

✨What's Cooking in Our Workshop✨ Persisting data is a crucial part of any application that you build. It’s not always easy to map your business objects with your relational database. One of the tools that can help you with this is called Hibernate ORM (for Object Relational Mapping). Join us in this workshop where we will learn the basics of Hibernate combined with the most popular Java App framework : Spring Boot and MySQL as a database.

Open source log monitoring: The concise guide to Grafana Loki

Five years ago today, Grafana Loki was introduced to the world on the KubeconNA 2018 stage when David Kaltschmidt, now a Senior Director of Engineering at Grafana Labs, clicked the button to make the Loki repo public live in front of the sold-out crowd. At the time, Loki was a prototype: We bolted together Grafana as a UI, Cortex internals, and Prometheus labels to find out if there was a need for a new open source tool to manage logs.