#Minikube

[minhphong306]

[TIL] Fix lỗi khi chạy minikube: Error making standard the default storage class: Error listing StorageClasses

Mình chạy minikube trên Fedora, gặp lỗi này cứ lay hoay mãi Continue reading [TIL] Fix lỗi khi chạy minikube: Error making standard the default storage class: Error listing StorageClasses

[nile-bits]

Jenkins on Kubernetes: Complete Setup and Configuration

Putting Jenkins on Kubernetes may be a game-changer for any development team looking to maximize their pipeline for continuous integration and delivery. Jenkins can manage several builds and tests in parallel by utilizing Kubernetes’ scalability and flexibility, which lowers bottlenecks and speeds up deployment times. You will be guided through every stage of the setup process by this all-inclusive guide, which will guarantee that your Jenkins setup on Kubernetes is reliable and effective...

Learn more here:

https://www.nilebits.com/blog/2024/07/jenkins-kubernetes-configuration/

[virtualizationhowto]

Docker Desktop Alternative: 5 Container Management Solutions Pros and Cons

Docker Desktop Alternative: 5 Container Management Solutions Pros and Cons - Learn about other solutions to managing containers on a desktop platform #docker #dockercontainers #modernapplications #kubernetes #minikube #podman #rancherdesktop #homelab

If you are like me and using containers for more and more solutions, both self-hosting and DevOps processes, I am always on the lookout for better tools and alternatives. Docker Desktop is a solution that many use to run Docker containers on a desktop environment like Windows clients. Let’s look at 5 container solutions that are Docker Desktop alternatives you should consider. Table of…

[kumpulanjurnalmakalah-blog]

[solved] minikube service --url command not working

[solved] minikube service --url command not working

When running a WordPress application on Minikube, the “minikube service –url” command is used to retrieve the URL for the WordPress service running in the cluster. This command is an essential part of the process for accessing the WordPress application, as it provides the application URL that users can use to interact with the application. However, there may be instances where the “minikube…

[jamercado]

Kubernetes: Control Plane and Workers

In Kubernetes, the control plane and worker nodes are two key components that together form the foundation of a Kubernetes cluster. They play distinct roles in managing and running containerized applications. Here’s an explanation of each component along with examples and YAML configurations where relevant: Control Plane The control plane is the brain of the Kubernetes cluster. It manages the…

[devsnews]

Minikube is an excellent tool for Kubernetes development because it allows users to run a single-node Kubernetes cluster locally on their laptops, making development and testing much more accessible. With Minikube, developers can quickly spin up and test Kubernetes applications and services in a local environment with the same configuration as their production clusters. This makes it easy to develop, test, and deploy applications on Kubernetes. Additionally, Minikube is simple to set up and provides a straightforward way to develop and maintain Kubernetes applications.

[techdirectarchive]

(via How to Install and Use Minikube on a Linux System)

[nksistemas]

Instalar minikube en Ubuntu 20/22

Minikube es una herramienta de código abierto que se desarrolló para permitir a los desarrolladores y administradores de sistemas ejecutar un solo clúster de Kubernetes en su máquina local. Minikube inicia un clúster de kubernetes de un solo nodo localmente con una utilización de recursos pequeña. Esto es ideal para pruebas de desarrollo y POC. Vamos a ver como se instala para Ubuntu…

[rwahowa]

Uninstall Minikube from Debian or any Linux distro

Step 1 : Try removing the Minikube binary First try (You try because the binary path may be different on your Linux distro) remove minikube by doing either of the following: sudo rm /usr/bin/minikube #or sudo rm /usr/local/bin/minikube Next : If you get the error cannot remove '/usr/.../minikube': No such file or directory find the correct minikube path and remove it by piping it to xargs as…

[qcs01]

Getting Started with Kubernetes: A Hands-on Guide

Getting Started with Kubernetes: A Hands-on Guide

Kubernetes: A Brief Overview

Kubernetes, often abbreviated as K8s, is a powerful open-source platform designed to automate the deployment, scaling, and management of containerized applications. It1 simplifies the complexities of container orchestration, allowing developers to focus on building and deploying applications without worrying about the underlying infrastructure.2

Key Kubernetes Concepts

Cluster: A group of machines (nodes) working together to run containerized applications.

Node: A physical or virtual machine that runs containerized applications.

Pod: The smallest deployable3 unit of computing, consisting of one or more containers.

Container: A standardized unit of software that packages code and its dependencies.

Setting Up a Kubernetes Environment

To start your Kubernetes journey, you can set up a local development environment using minikube. Minikube creates a single-node Kubernetes cluster on your local machine.

Install minikube: Follow the instructions for your operating system on the minikube website.

Start the minikube cluster: Bashminikube start

Configure kubectl: Bashminikube config --default-context

Interacting with Kubernetes: Using kubectl

kubectl is the command-line tool used to interact with Kubernetes clusters. Here are some basic commands:

Get information about nodes: Bashkubectl get nodes

Get information about pods: Bashkubectl get pods

Create a deployment: Bashkubectl create deployment my-deployment --image=nginx

Expose a service: Bashkubectl expose deployment my-deployment --type=NodePort

Your First Kubernetes Application

Create a simple Dockerfile: DockerfileFROM nginx:alpine COPY index.html /usr/share/nginx/html/

Build the Docker image: Bashdocker build -t my-nginx .

Push the image to a registry (e.g., Docker Hub): Bashdocker push your-username/my-nginx

Create a Kubernetes Deployment: Bashkubectl create deployment my-nginx --image=your-username/my-nginx

Expose the deployment as a service: Bashkubectl expose deployment my-nginx --type=NodePort

Access the application: Use the NodePort exposed by the service to access the application in your browser.

Conclusion

Kubernetes offers a powerful and flexible platform for managing containerized applications. By understanding the core concepts and mastering the kubectl tool, you can efficiently deploy, scale, and manage your applications.

Keywords: Kubernetes, container orchestration, minikube, kubectl, deployment, scaling, pods, services, Docker, Dockerfile

[sandeep2363]

Chapter 2: Setting Up Your Kubernetes Cluster

In this chapter, we’ll cover the step-by-step process to set up Kubernetes using Minikube. You’ll learn how to install and configure Minikube, explore essential kubectl commands, and navigate the Kubernetes Dashboard. Each section includes detailed commands, live examples, and insights to simulate production-like environments. 1. Installing and Configuring Minikube Minikube creates a…

[codezup]

Deploy Node.js Apps on Kubernetes with Minikube - Easy Guide

Deploying Node.js Applications on Kubernetes with Minikube Introduction Deploying Node.js applications on Kubernetes with Minikube is a crucial skill for any developer working on cloud-native applications. Kubernetes is a container orchestration system for automating the deployment, scaling, and management of containerized applications. Minikube is a tool that runs a single-node Kubernetes…

[internsipgate]

Top 7 Essential DevOps Tools Every Intern Should Know for Success

In the fast-paced world of software development, DevOps is a crucial bridge between development and operations. As an intern diving into this field, learning the right tools can give you a competitive edge, boost your productivity, and help you stand out. Whether you're collaborating with teams, automating tasks, or ensuring smooth deployments, understanding DevOps tools is essential.

Here, we’ll break down the top 7 DevOps tools every intern should know. These tools cover everything from continuous integration and deployment to infrastructure management and monitoring. Let's get started!https://internshipgate.com

1. Git: Version Control Done Right

Git is the backbone of version control systems. It allows multiple developers to work on the same project, track changes, and manage code versions efficiently.

Why You Need Git: As an intern, you’ll need to collaborate with others, and Git helps maintain order in a project's history by allowing you to revert to earlier versions when necessary.

Key Features: Branching, merging, commit history, and pull requests.

How to Get Started: Tools like GitHub or GitLab provide a user-friendly interface for Git, offering repositories to store your code, collaborate, and manage projects.

2. Jenkins: Automate Your Workflow

Jenkins is one of the most popular automation tools for continuous integration and continuous delivery (CI/CD). It automates repetitive tasks, such as building, testing, and deploying applications.

Why You Need Jenkins: Automation is at the heart of DevOps. Jenkins allows you to automate the testing and deployment process, reducing human errors and ensuring faster releases.

Key Features: Plugin support, pipeline as code, and easy configuration.

How to Get Started: As an intern, start by setting up simple pipelines and exploring Jenkins plugins to automate various development processes.

3. Docker: Containerization Made Simple

Docker enables developers to package applications into containers—standardized units that contain everything the application needs to run. This ensures consistency across environments, whether it's on your laptop or in production.

Why You Need Docker: Containerization simplifies the deployment process by eliminating the classic "it works on my machine" problem. You'll ensure consistency from development through to production.

Key Features: Lightweight containers, easy scaling, and isolation.

How to Get Started: Experiment by creating a Dockerfile for your project, building containers, and deploying them to services like Docker Hub or Kubernetes.

4. Kubernetes: Orchestrating Containers

Once you understand Docker, the next step is Kubernetes, a powerful orchestration tool that manages containerized applications across multiple hosts.

Why You Need Kubernetes: For large-scale projects, simply running containers isn’t enough. Kubernetes automates the deployment, scaling, and management of containerized applications, ensuring high availability.

Key Features: Load balancing, self-healing, and auto-scaling.

How to Get Started: Start by deploying a small application on a local Kubernetes cluster using Minikube and scaling it as you go.

5. Ansible: Automate Infrastructure Management

Ansible is a popular tool for automating infrastructure tasks. It simplifies complex tasks like application deployment, configuration management, and orchestration.

Why You Need Ansible: Ansible uses a simple, human-readable language (YAML) to automate repetitive tasks. For interns, it’s a great tool to learn how infrastructure is managed.

Key Features: Agentless, idempotent, and easy to learn.

How to Get Started: Set up basic Ansible playbooks to automate tasks like server setup or application deployment.

6. Terraform: Infrastructure as Code (IaC)

Terraform is a tool for creating, managing, and deploying infrastructure resources using a declarative configuration language.

Why You Need Terraform: With Terraform, you can automate infrastructure provisioning, ensuring that environments are consistent, scalable, and repeatable. It’s a key tool in DevOps for managing cloud resources.

Key Features: Cross-platform support, infrastructure state management, and modularity.

How to Get Started: Start by writing simple Terraform scripts to provision cloud resources like virtual machines or storage on platforms like AWS or Google Cloud.

7. Prometheus and Grafana: Monitoring and Visualization

DevOps is not just about deployment; it’s also about maintaining and monitoring the health of your applications and infrastructure. Prometheus and Grafana are the go-to tools for monitoring and visualization.

Why You Need Prometheus and Grafana: Monitoring ensures that you catch issues before they affect users. Prometheus collects metrics from your systems, while Grafana visualizes them, providing insights into system performance.

Key Features: Time-series data collection (Prometheus) and customizable dashboards (Grafana).

How to Get Started: Start with setting up Prometheus to collect basic metrics and use Grafana to create dashboards for visualizing CPU usage, memory, and request rates.

FAQs

What is the difference between Docker and Kubernetes? Docker is used for creating containers, which are lightweight and portable environments for running applications. Kubernetes, on the other hand, manages and orchestrates those containers across multiple machines, handling tasks like load balancing, scaling, and self-healing.

Why is version control important in DevOps? Version control, like Git, allows multiple developers to work on the same codebase without conflicting changes. It tracks changes, facilitates collaboration, and helps revert to previous versions if necessary, ensuring a smooth workflow.

How does Jenkins improve software development? Jenkins automates repetitive tasks such as testing and deployment, reducing manual effort, minimizing errors, and speeding up the release process through continuous integration and delivery (CI/CD).

Is Ansible better than Terraform for infrastructure management? Ansible and Terraform serve different purposes. Ansible is better for configuration management and automation, while Terraform excels in infrastructure provisioning and management. Many DevOps teams use both together.

Can I use Prometheus without Grafana? Yes, Prometheus can be used without Grafana, but it is often paired with Grafana for better visualization. Prometheus collects the metrics, and Grafana helps you analyze them with interactive dashboards.

How can interns start learning these DevOps tools? Start small by experimenting with free tutorials, hands-on labs, and online courses. Use cloud-based platforms like GitHub, AWS, or Google Cloud to practice with these tools in real-world scenarios.

Conclusion

Mastering these essential DevOps tools will set you up for success in your DevOps journey. As an intern, focusing on learning these tools will not only enhance your technical skills but also improve your ability to collaborate with teams and manage complex systems. Whether it's automating workflows with Jenkins or orchestrating containers with Kubernetes, each tool plays a critical role in modern software development and operations.https://internshipgate.com

[exhydra]

X Exiting due to GUEST_MISSING_CONNTRACK: Sorry, Kubernetes 1.31.0 requires conntrack to be installed in root's path

root@kishan-VirtualBox:~# minikube start --driver=none * minikube v1.34.0 on Ubuntu 24.04 (vbox/amd64) * Using the none driver based on user configuration X Exiting due to GUEST_MISSING_CONNTRACK: Sorry, Kubernetes 1.31.0 requires conntrack to be installed in root's path root@kishan-VirtualBox:~# sudo apt install conntrack Reading package lists... Done Building dependency tree... Done Reading…