#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…

[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…

[korshubudemycoursesblog]

Kubernetes with HELM: Kubernetes for Absolute Beginners

Welcome to the world of Kubernetes with HELM: Kubernetes for Absolute Beginners! If you're new to Kubernetes, Helm, or both, you’re in the right place. Kubernetes, often referred to as K8s, is a game-changer in the tech world. It helps automate the deployment, scaling, and management of containerized applications. Meanwhile, Helm, often called the "Kubernetes Package Manager," simplifies your life by making it easier to manage Kubernetes applications. Together, these tools provide a powerful foundation for building, deploying, and managing modern applications.

But don’t worry if all of this sounds a bit overwhelming right now! This blog is designed for absolute beginners, so we’ll break everything down in simple, easy-to-understand terms.

What is Kubernetes?

In simple words, Kubernetes is an open-source platform that automates the deployment and scaling of containerized applications. Think of it as an organizer for your containers. When you have an app that’s broken down into multiple containers, Kubernetes takes care of how they’re connected, how they communicate, and how they scale.

Imagine you have a business with multiple stores (containers). Kubernetes makes sure that each store operates efficiently, knows how to communicate with others, and can expand or reduce operations based on customer demand, without needing constant manual attention. That’s the kind of magic Kubernetes brings to the world of software.

What is Helm?

Now that we’ve introduced Kubernetes, let’s talk about Helm. In the simplest terms, Helm is a package manager for Kubernetes. It’s like a toolbox that helps you manage your Kubernetes applications more easily.

Helm uses something called "charts." These Helm charts are basically packages that contain all the configuration files you need to run an application in Kubernetes. With Helm, you can deploy applications with just a few commands, manage upgrades, and even roll back to previous versions if something goes wrong. It’s like hitting the "easy button" for Kubernetes.

Why Use Kubernetes with Helm?

You might be wondering, why use Kubernetes with HELM: Kubernetes for Absolute Beginners? Why not just stick with Kubernetes alone? Well, Helm makes using Kubernetes far easier, especially when you’re dealing with complex applications that have many components. Helm helps simplify the deployment process, reduces manual errors, and makes scaling a breeze.

Here are a few reasons why Kubernetes with Helm is a great combo:

Simplified Deployment: With Helm, you don’t need to worry about manually configuring each component of your application. Helm’s "charts" allow you to deploy everything with just one command.

Easy Management: Need to upgrade your app? No problem. Helm can handle that too with a simple command.

Rollback Capabilities: If something breaks after an update, Helm makes it easy to roll back to a previous version.

Consistency: Helm ensures that every deployment is consistent across your environments, which is essential for avoiding bugs and downtime.

Setting Up Kubernetes and Helm

To get started with Kubernetes with HELM: Kubernetes for Absolute Beginners, you’ll first need to set up both Kubernetes and Helm. Let’s break this down step by step.

1. Set Up Kubernetes

The first step is setting up a Kubernetes cluster. There are various ways to do this:

Minikube: If you’re just getting started, Minikube is a great option. It lets you create a local Kubernetes cluster on your computer, which is perfect for learning and development.

Managed Kubernetes Services: If you prefer not to manage your own Kubernetes infrastructure, many cloud providers offer managed Kubernetes services, such as Google Kubernetes Engine (GKE), Amazon Elastic Kubernetes Service (EKS), and Azure Kubernetes Service (AKS).

2. Install Helm

Once you have Kubernetes set up, it’s time to install Helm.

Download Helm from the official website.

Install Helm using your package manager (like Homebrew on macOS or Chocolatey on Windows).

Initialize Helm in your Kubernetes cluster.

It’s that simple! You’re now ready to use Helm with Kubernetes.

Deploying Your First Application with Helm

Now that you have both Kubernetes and Helm set up, it’s time to deploy your first application.

Choose a Helm Chart: Helm charts are packages that define the Kubernetes resources for an application. You can either use pre-built charts or create your own.

Install the Chart: Once you have your chart, installing it is as easy as running a single command. Helm will handle the rest.

Manage and Monitor: Helm makes it easy to monitor your app, make updates, and roll back changes if necessary.

For example, you can deploy a simple web server using a Helm chart by typing:

bash

Copy code

helm install my-nginx bitnami/nginx

With that one command, you’ll have a fully functioning Nginx web server running in Kubernetes!

Free AI Tools for Kubernetes Beginners

One of the coolest things about getting into Kubernetes with HELM: Kubernetes for Absolute Beginners is that you don’t need to tackle everything by yourself. There are free AI tools that can help you automate various tasks and make the learning process much easier.

For instance, AI can assist you in:

Optimizing Kubernetes configurations: AI can analyze your cluster and recommend settings for performance and efficiency.

Automating monitoring and alerts: You can use AI-driven tools like Prometheus and Grafana to set up smart monitoring systems that alert you when something goes wrong.

Troubleshooting issues: AI-based platforms can even help you troubleshoot errors by suggesting fixes based on common patterns.

Some popular AI tools include KubeFlow, which helps with machine learning workflows in Kubernetes, and K9s, which provides a simplified interface for interacting with Kubernetes.

Benefits of Using Kubernetes with Helm for Beginners

If you're still wondering whether Kubernetes with HELM: Kubernetes for Absolute Beginners is the right path for you, let’s dive into the key benefits that can fast-track your learning journey:

1. Ease of Use

Starting with Kubernetes alone can feel like a steep learning curve, but Helm helps smoothen the path. By using pre-packaged charts, you’re not worrying about configuring everything manually.

2. Scalability

Even as a beginner, it’s important to consider the future scalability of your projects. Both Kubernetes and Helm are designed to handle applications at scale. Whether you have one container or hundreds, these tools are ready to grow with you.

3. Strong Community Support

One of the best things about Kubernetes with Helm is the strong support from the developer community. There are countless forums, guides, and resources that can help you troubleshoot and learn as you go. Tools like Kubectl, Kustomize, and Lens come highly recommended and can further streamline your experience.

4. Seamless Cloud Integration

Most of today’s major cloud providers (Google Cloud, AWS, Azure) offer services that integrate seamlessly with Kubernetes with HELM. This means that as you gain more confidence, you can start building cloud-native applications with ease.

Tips for Success: Learning Kubernetes with Helm

As you continue your journey into Kubernetes with HELM: Kubernetes for Absolute Beginners, here are some tips to ensure your success:

Start Small: Don’t try to deploy complex applications right away. Start with simple applications, like a web server, and gradually move to more complex ones.

Leverage Pre-built Helm Charts: Use pre-built Helm charts to get started quickly. There’s no need to reinvent the wheel.

Experiment: Don’t be afraid to experiment with different configurations and features in Kubernetes. The more you play around, the more comfortable you’ll become.

Join Communities: The Kubernetes community is vast and supportive. Join forums like StackOverflow or Kubernetes Slack channels to ask questions and learn from others.

Conclusion

In the world of modern application development, mastering Kubernetes with HELM: Kubernetes for Absolute Beginners is a valuable skill. With Kubernetes managing your containers and Helm simplifying your deployments, you’ll be able to build, scale, and manage your applications with confidence.

By starting small, leveraging the free AI tools available, and joining the community, you'll be well on your way to becoming proficient with these powerful technologies. Remember, Kubernetes with Helm isn't just for advanced developers—it's for everyone, and you're never too much of a beginner to start learning today!

[jamercado]

GitOps: Argo cd and application deployment demo - Part I

Deploy your GitOps tool to empower the development team! Part I

Hello Friends, today I share a beautiful GitOps tool, for deployment applications in Kubernetes environments. This tool is essential for developers that creates code for microservices solutions and need take the control of releases were deployed. It’s necessary some requisites: Kubernetes Cluster o minikube environment ( non production solution, only local development for learning.) Git…