Author: Rajesh Kumar

Dynatrace USQL is a powerful query language that allows you to analyze your Dynatrace data in depth. It is a SQL-like language that can be used to query data from…

Digital marketing software is essential for several reasons, as it helps businesses effectively manage, optimize, and streamline their digital marketing efforts in today’s digital age. Here are key reasons why…

Wizbrand.com Wizbrand is a powerful digital marketing software platform that helps businesses of all sizes manage and grow their online presence. It offers a wide range of features and tools…

In the fast-paced world of digital marketing and SEO, staying ahead of the curve is crucial. With a myriad of tools and strategies at your disposal, choosing the right platform…

RookCeph, Longhorn, and OpenEBS are all popular containerized storage orchestration solutions for Kubernetes. They are all easy to use, scalable, and reliable. However, there are some key differences between them….

Here is a list of some popular containerized storage orchestration solutions for Kubernetes, along with a short explanation of each:

eBPF, which stands for “extended Berkeley Packet Filter,” is a powerful and flexible technology used in modern Linux kernels for various purposes, including networking, monitoring, and security. Originally inspired by…

Troubleshooting networking in Kubernetes can sometimes be complex due to the distributed nature of containerized applications. Below is a list of commands with explanations to help troubleshoot networking issues in…

CRI plugins, or Container Runtime Interface plugins, are a set of tools that allow you to use different container runtimes with Kubernetes. By default, Kubernetes uses the Docker container runtime….

CSI plugins, or Container Storage Interface plugins, are a set of tools that allow you to expose storage systems to Kubernetes applications. They are used to provide persistent storage for…

CNI plugins, or Container Network Interface plugins, are a set of tools that allow you to customize the networking of your Kubernetes cluster. They are used to create and manage…

What is k3s? K3s is a lightweight and easy-to-install Kubernetes distribution designed for use in resource-constrained environments, edge computing, and development scenarios. It’s a simplified version of Kubernetes that retains…

Logging Operator EFK(Elasticsearch, Fluentd, and Kibana) Logging Operator is an operator created in Golang to set up and manage EFK(Elasticsearch, Fluentd, and Kibana) cluster inside Kubernetes and Openshift environment. This…

Log monitoring in Kubernetes is the process of collecting, storing, and analyzing logs from Kubernetes nodes, pods, and applications. This can be done to identify potential problems, such as errors,…

Tigera Calico Troubleshooting and diagnostics Tigera Calico Component logs

Open source Ingress controllers NGINX Ingress Controller: The NGINX Ingress Controller is the most popular Ingress controller for Kubernetes. It is based on the NGINX web server and is easy…

Pods can have startup and runtime errors. Startup errors include: ✅ ImagePullBackoff✅ ImageInspectError✅ ErrImagePull✅ ErrImageNeverPull✅ RegistryUnavailable✅ InvalidImageName Runtime errors include: 📌 ✅ CrashLoopBackOff✅ RunContainerError✅ KillContainerError✅ VerifyNonRootError✅ RunInitContainerError✅ CreatePodSandboxError✅ ConfigPodSandboxError✅ KillPodSandboxError✅…

The “pause container” is a special, internal container created and managed by Kubernetes within each pod. Its primary purpose is to serve as a placeholder for the network namespace and…

crictl and ctr are both command-line tools for managing containers in Kubernetes. However, they have different purposes and use cases. crictl is a tool for managing containers through the Container…

Static Pods are a special type of Pod in Kubernetes that are managed directly by the kubelet daemon on a specific node, without the API server observing them. This means…

A Kubernetes Pod disruption budget (PDB) is a policy that defines the minimum number of pods that must be available at any given time for a particular workload. This helps…

A PriorityClass in Kubernetes is a non-namespaced object that defines a mapping from a priority class name to an integer value of the priority. The higher the value, the higher…

Here is a list of some of the most popular CNI plugins used in Kubernetes: Other popular CNI plugins include: Container Network Interface (CNI) is an open standard for configuring…

Here is a list of Ingress controllers for Kubernetes: NGINX Ingress Controller: The NGINX Ingress Controller is a widely used and battle-tested solution for managing external access to services within…

Feature Calico Flannel Weave Cilium Networking model Layer 3 Layer 3 overlay Layer 2 mesh eBPF Performance High Good Good High Scalability High High High High Security features Advanced Basic…

USING Application detection rules Step 1 – Access Web on Dynatrace App Step 2 – Click on “Edit detection Rules” Step 3 – Click on “Add Item” Step 4 –…