Kubernetes: How to assign a namespace to a specific pod
Introduction In Kubernetes, namespaces provide a mechanism for isolating groups of resources within a single cluster. Namespaces are intended for use in environments with many users spread across…
How to Balance Throughput with Latency in Kafka
Introduction Kafka, a powerful distributed event streaming platform, plays a critical role in modern data architectures. It efficiently processes large streams of data in real-time. However, configuring Kafka…
How to Use Kafka Connect: Tutorial & Examples
Introduction Apache Kafka has become the backbone of real-time data processing for many organizations, offering robust distributed streaming capabilities. Kafka Connect is a component of Apache Kafka that…
How to Use Volumes for State Persistence in Kubernetes
Introduction One of the core principles of containerized applications is their ephemeral and stateless nature. However, most real-world applications have state—data that persists across sessions and restarts. In…
cURL: How to Send API key and Auth Credentials in Requests
Introduction cURL is a powerful command-line tool used to transfer data to or from a server. While using APIs, it’s essential to know how to include authentication credentials…
cURL: How to Add Headers and Params When Making HTTP Requests
Introduction cURL is a versatile tool and library (libcurl) that is used to transfer data with URLs. It supports a variety of protocols, including HTTP, HTTPS, FTP, and…
cURL: How to send POST requests and upload files
Introduction For many developers and system administrators, cURL is an invaluable tool for testing HTTP requests, including POST requests, and for uploading files to a server. cURL, which…
Making GET requests with cURL: A practical guide (with examples)
Overview If you’ve ever needed to interact with APIs or fetch resources over the web from a command line or a script, you’re likely familiar with cURL. cURL…
Deploying and Scaling Databases with StatefulSets in Kubernetes
Introduction Deploying databases within a containerized environment, such as Kubernetes, requires careful consideration of persistence, consistency, and scalability. Unlike stateless deployments where containers can be destroyed and recreated…
Kubernetes: Handling Persistent Storage in StatefulSets
Introduction Kubernetes, also known as K8s, is a powerful orchestration tool for managing containerized applications at scale. When dealing with stateful applications that require persistent storage, such as…