How to deploy an application on Kubernetes using Dashboard? “Minikube“ is one of the Kubernetes’s variant to experience on a desktop/laptop. This article will walk through how to create deploy a new application on Kubernetes cluster. We could deploy a containerized applications on top of Kubernetes cluster using the various method. In this example, we […]
Kubernetes /Minikube – Enable Dashboard – RHEL 7 / CentOS 7
Are you missing Kubenertes Dashboard on Minikube deployment? This article will walk through how to enable the dashboard on Minikube deployment on localhost and remote client. The dashboard is a web-based user interface for Kubernetes. Web-UI is useful to deploy containerized applications in Kubernetes cluster and manage the cluster resources. It could also help to […]
How to Deploy Kubernetes ? Minikube on RHEL/CentOS
How to create a Kubernetes’s sandbox environment?. How to experience Kubernetes in Laptop/Desktop? MiniQube is developed for desktop/Laptop environment to experience the Kubernetes cluster. “Minikube” runs a single-node Kubernetes cluster inside the Virtual Machine on Laptop/Desktop with help of virtualization technology (Virtual Box, KVM, VMware Fusion). This article will walk through the deployment of Minikube […]
RHEL 7 / Cent OS 7 – “fwupdate-efi” conflicts with “grub2-common”
Have you got the package conflict error while installing the specific package on RHEL 7 /CentOS 7? Frequently, “fwupdate-efi” package conflicts with the “grub2-common” package in RHEL 7 / CentOS 7 environment. This article will provide the step by step procedure to resolve package conflict errors. In general, if you get such error, you must […]
Kubernetes – Overview of Pod and Service
This article will give a high-level view of Kubernetes Pods and Services. Kubernetes runs containers but always inside the pods. You can’t directly deploy container without pods in Kubernetes. The shared context of the pod is a set of Linux namespaces, cgroups, and other facets of isolation. Docker container does the same but the application gets the further sub-isolation since […]
Ansible – Reboot Server Using Playbook and Wait for come back
Ansible is a simple configuration management tool. Open source community keeps trying to make the code much simpler on the newer version. Prior to Ansible engine 2.7, To reboot the target hosts, we need to define a block of code to reboot the server and wait until the hosts to come back. Most of the time. making the configuration changes or installing […]
How to pass variable from one playbook to another playbook ? Ansible
In Ansible, passing a variable from one playbook to another playbook is not a straight forward. (If the target hosts are different). We might need to get the variable value from one host and use that value against another host in some cases. This article will provide a solution to overcome this kind of tricky situation in Ansible. Here are the scenarios […]
How Kubernetes works ? – Core Components and Architecture
Kubernetes is an open-source generic multi-container management software which offers deployment, scaling, descaling & load balancing. It’s an orchestrator for microservices applications. Kubernetes would make us see the whole data center as a computer. Kubernetes can manage any type of containers which follows OCI standards. ( Docker or Core OS’s rkt or any ). Kubernetes […]
What is Kubernetes – Good to Know – An Overview
Kubernetes is a leading container orchestration platform for automating application deployment, scaling, and management. Container brings a lot of scalability challenges. But Kubernetes can take over the challenges and lets you concentrate only on deployments. Its platform agnostic. Kubernetes is most often used to manage the Docker. But it can also work with any container […]
VMware vSphere – Build VM using Terraform – Cent OS/RHEL (Redhat Linux)
This article will provide step by step procedure for building “CentOS” /”Redhat Linux” Virtual Machine using Terraform tool on the VMware vSphere environment. Terraform is an excellent tool to build VM’s on VMware vSphere environment. Terraform doesn’t require any dedicated host. You could download an opensource/free version of Terraform on your laptop or desktop and […]