A Dockerfile is a script that contains a set of instructions for building a Docker image. Docker images are lightweight, standalone, and executable packages that include everything needed to run a piece of software, including the code, runtime, libraries, and system tools. Dockerfiles are used to …

Chronograf Chronograf is the user interface and administrative component of the InfluxDB 1.x platform. Use templates and libraries to rapidly build dashboards with real-time visualizations. Chronograf allows you to quickly see the data that you have stored in InfluxDB so you can build robust queries …

When deploying applications in Kubernetes, exposing your services to external users becomes a key requirement. Two commonly used methods to achieve this are: LoadBalancer Services Ingress Controllers Although both provide access to your Kubernetes applications from outside the cluster, they work in …

This lab will guide you through the steps of setting up Apache Kafka and using it to facilitate centralized logging and real-time monitoring in a DevOps environment. By the end of this lab, you’ll understand how Kafka can be used to enhance communication between microservices, centralize logs, and …

Kubernetes (K8s) is an open-source platform designed to automate deploying, scaling, and managing containerized applications.Instead of running apps directly on servers or VMs, Kubernetes lets you define how apps should run, and it manages them for you—like a smart app babysitter that keeps …

In the ever-evolving world of container orchestration, Kubernetes stands out for its flexibility and power. Among its many resource objects, DaemonSet plays a crucial role in managing background tasks and system-level operations that need to run on every node in the cluster. In this blog post, we’ll …

Setting up the Kubernetes Dashboard is a great way to get a visual interface for managing your cluster. There are few dashboards available online which are also open source like offical kubernetes Dashboard or KubeSphere. Here’s a step-by-step guide to get you going quickly. Kubesphere …

If you’re looking to monitor resource usage at the pod level in Kubernetes, you have a few solid options depending on how deep you want to go — from basic CPU/memory usage to detailed application metrics. Metrics Server kubectl apply -f …

When working with Kubernetes clusters, there are times when you need to perform maintenance on a node — such as upgrading the OS, applying security patches, or troubleshooting hardware issues. But before you do that, it’s crucial to ensure that workloads are not disrupted unexpectedly. Kubernetes …