#kubectl

[dgruploads]

AWS EKS | Episode 12 | Minikube and Kubectl | Introduction | Setup | hands-on demo

[sapientsapiens]

Just wrapped up the assignments on the final chapter of the #mlzoomcamp on model deployment in Kubernetes clusters. Got foundational hands-on experience with Tensorflow Serving, gRPC, Protobuf data format, docker compose, kubectl, kind and actual Kubernetes clusters on EKS.

[techdirectarchive]

How to Install Kubectl on Windows 11

Kubernetes is an open-source system for automating containerized application deployment, scaling, and management. You can run commands against Kubernetes clusters using the kubectl command-line tool. kubectl can be used to deploy applications, inspect and manage cluster resources, and inspect logs. You can install Kubectl on various Linux platforms, macOS, and Windows. The choice of your…

[aravikumar48]

PODs in Kubernetes Explained | Tech Arkit

In Kubernetes, a pod is the smallest and simplest unit in the deployment model. It represents a single instance of a running process in a cluster and is the basic building block for deploying and managing containerized applications. A pod encapsulates one or more containers, storage resources, a unique network IP, and configuration options. The primary purpose of using pods is to provide a logical and cohesive unit for application deployment and scaling.

[datamattsson]

He'll never learn.

[virtualizationhowto]

Meet kubectl-ai: Google Just Delivered the Best Tool for Kubernetes Management #kubernetes #kubectlai #homelab #homeserver

[foundationsofdecay]

frantic google search how to explain that despite you blacking out working so intensely on something at work for well over 12hrs and not only have nothing to show but have somehow made your entire system messed up

frantic google search best climbing routes to get out of DevOps hell and back into purgatory where I was quite enjoying myself

[nksistemas]

Instalar kubectl y kubecolor en Debian 12

En esta guía, te mostraré cómo instalar kubectl y kubecolor en Debian 12. kubectl es una herramienta de línea de comandos para interactuar con Kubernetes, y kubecolor es una extensión que agrega colores a la salida de kubectl para mejorar la legibilidad. Kubectl 1- Paquetes necesarios sudo apt-get install -y apt-transport-https ca-certificates curl 2- Descargamos las llaves curl -fsSL…

[govindhtech]

What is Argo CD? And When Was Argo CD Established?

What Is Argo CD?

Argo CD is declarative Kubernetes GitOps continuous delivery.

In DevOps, ArgoCD is a Continuous Delivery (CD) technology that has become well-liked for delivering applications to Kubernetes. It is based on the GitOps deployment methodology.

When was Argo CD Established?

Argo CD was created at Intuit and made publicly available following Applatix’s 2018 acquisition by Intuit. The founding developers of Applatix, Hong Wang, Jesse Suen, and Alexander Matyushentsev, made the Argo project open-source in 2017.

Why Argo CD?

Declarative and version-controlled application definitions, configurations, and environments are ideal. Automated, auditable, and easily comprehensible application deployment and lifecycle management are essential.

Getting Started

Quick Start

kubectl create namespace argocd kubectl apply -n argocd -f https://raw.githubusercontent.com/argoproj/argo-cd/stable/manifests/install.yaml

For some features, more user-friendly documentation is offered. Refer to the upgrade guide if you want to upgrade your Argo CD. Those interested in creating third-party connectors can access developer-oriented resources.

How it works

Argo CD defines the intended application state by employing Git repositories as the source of truth, in accordance with the GitOps pattern. There are various approaches to specify Kubernetes manifests:

Applications for Customization

Helm charts

JSONNET files

Simple YAML/JSON manifest directory

Any custom configuration management tool that is set up as a plugin

The deployment of the intended application states in the designated target settings is automated by Argo CD. Deployments of applications can monitor changes to branches, tags, or pinned to a particular manifest version at a Git commit.

Architecture

The implementation of Argo CD is a Kubernetes controller that continually observes active apps and contrasts their present, live state with the target state (as defined in the Git repository). Out Of Sync is the term used to describe a deployed application whose live state differs from the target state. In addition to reporting and visualizing the differences, Argo CD offers the ability to manually or automatically sync the current state back to the intended goal state. The designated target environments can automatically apply and reflect any changes made to the intended target state in the Git repository.

Components

API Server

The Web UI, CLI, and CI/CD systems use the API, which is exposed by the gRPC/REST server. Its duties include the following:

Status reporting and application management

Launching application functions (such as rollback, sync, and user-defined actions)

Cluster credential management and repository (k8s secrets)

RBAC enforcement

Authentication, and auth delegation to outside identity providers

Git webhook event listener/forwarder

Repository Server

An internal service called the repository server keeps a local cache of the Git repository containing the application manifests. When given the following inputs, it is in charge of creating and returning the Kubernetes manifests:

URL of the repository

Revision (tag, branch, commit)

Path of the application

Template-specific configurations: helm values.yaml, parameters

A Kubernetes controller known as the application controller keeps an eye on all active apps and contrasts their actual, live state with the intended target state as defined in the repository. When it identifies an Out Of Sync application state, it may take remedial action. It is in charge of calling any user-specified hooks for lifecycle events (Sync, PostSync, and PreSync).

Features

Applications are automatically deployed to designated target environments.

Multiple configuration management/templating tools (Kustomize, Helm, Jsonnet, and plain-YAML) are supported.

Capacity to oversee and implement across several clusters

Integration of SSO (OIDC, OAuth2, LDAP, SAML 2.0, Microsoft, LinkedIn, GitHub, GitLab)

RBAC and multi-tenancy authorization policies

Rollback/Roll-anywhere to any Git repository-committed application configuration

Analysis of the application resources’ health state

Automated visualization and detection of configuration drift

Applications can be synced manually or automatically to their desired state.

Web user interface that shows program activity in real time

CLI for CI integration and automation

Integration of webhooks (GitHub, BitBucket, GitLab)

Tokens of access for automation

Hooks for PreSync, Sync, and PostSync to facilitate intricate application rollouts (such as canary and blue/green upgrades)

Application event and API call audit trails

Prometheus measurements

To override helm parameters in Git, use parameter overrides.

Read more on Govindhtech.com

[sylvanas-girlkisser]

After 2 and a half years as a professional web developer, I've realized it's only a matter of time before:

I'm gonna see some website or another be down

Go "oh right!" out loud

Open terminal

"kubectl portforward"

And then wonder why that didn't fix it

[waytoeasylearn]

Kubernetes Tutorials | Waytoeasylearn

Learn how to become a Certified Kubernetes Administrator (CKA) with this all-in-one Kubernetes course. It is suitable for complete beginners as well as experienced DevOps engineers. This practical, hands-on class will teach you how to understand Kubernetes architecture, deploy and manage applications, scale services, troubleshoot issues, and perform admin tasks. It covers everything you need to confidently pass the CKA exam and run containerized apps in production.

Learn Kubernetes the easy way! 🚀 Best tutorials at Waytoeasylearn for mastering Kubernetes and cloud computing efficiently.➡️ Learn Now

Whether you are studying for the CKA exam or want to become a Kubernetes expert, this course offers step-by-step lessons, real-life examples, and labs focused on exam topics. You will learn from Kubernetes professionals and gain skills that employers are looking for.

Key Learning Outcomes: Understand Kubernetes architecture, components, and key ideas. Deploy, scale, and manage containerized apps on Kubernetes clusters. Learn to use kubectl, YAML files, and troubleshoot clusters. Get familiar with pods, services, deployments, volumes, namespaces, and RBAC. Set up and run production-ready Kubernetes clusters using kubeadm. Explore advanced topics like rolling updates, autoscaling, and networking. Build confidence with real-world labs and practice exams. Prepare for the CKA exam with helpful tips, checklists, and practice scenarios.

Who Should Take This Course: Aspiring CKA candidates. DevOps engineers, cloud engineers, and system admins. Software developers moving into cloud-native work. Anyone who wants to master Kubernetes for real jobs.

[hawkstack]

Mastering OpenShift at Scale: Red Hat OpenShift Administration III (DO380)

In today’s cloud-native world, organizations are increasingly adopting Kubernetes and Red Hat OpenShift to power their modern applications. As these environments scale, so do the challenges of managing complex workloads, automating operations, and ensuring reliability. That’s where Red Hat OpenShift Administration III: Scaling Kubernetes Workloads (DO380) steps in.

What is DO380?

DO380 is an advanced-level training course offered by Red Hat that focuses on scaling, performance tuning, and managing containerized applications in production using Red Hat OpenShift Container Platform. It is designed for experienced OpenShift administrators and DevOps professionals who want to deepen their knowledge of Kubernetes-based platform operations.

Who Should Take DO380?

This course is ideal for:

✅ System Administrators managing large-scale containerized environments

✅ DevOps Engineers working with CI/CD pipelines and automation

✅ Platform Engineers responsible for OpenShift clusters

✅ RHCEs or OpenShift Certified Administrators (EX280 holders) aiming to level up

Key Skills You Will Learn

Here’s what you’ll master in DO380:

🔧 Advanced Cluster Management

Configure and manage OpenShift clusters for performance and scalability.

📈 Monitoring & Tuning

Use tools like Prometheus, Grafana, and the OpenShift Console to monitor system health, tune workloads, and troubleshoot performance issues.

📦 Autoscaling & Load Management

Configure Horizontal Pod Autoscaling (HPA), Cluster Autoscaler, and manage workloads efficiently with resource quotas and limits.

🔐 Security & Compliance

Implement security policies, use node taints/tolerations, and manage namespaces for better isolation and governance.

🧪 CI/CD Pipeline Integration

Automate application delivery using Tekton pipelines and manage GitOps workflows with ArgoCD.

Course Prerequisites

Before enrolling in DO380, you should be familiar with:

Red Hat OpenShift Administration I (DO180)

Red Hat OpenShift Administration II (DO280)

Kubernetes fundamentals (kubectl, deployments, pods, services)

Certification Path

DO380 also helps you prepare for the Red Hat Certified Specialist in OpenShift Scaling and Performance (EX380) exam, which counts towards the Red Hat Certified Architect (RHCA) credential.

Why DO380 Matters

With enterprise workloads becoming more dynamic and resource-intensive, scaling OpenShift effectively is not just a bonus — it’s a necessity. DO380 equips you with the skills to:

✅ Maximize infrastructure efficiency

✅ Ensure high availability

✅ Automate operations

✅ Improve DevOps productivity

Conclusion

Whether you're looking to enhance your career, improve your organization's cloud-native capabilities, or take the next step in your Red Hat certification journey — Red Hat OpenShift Administration III (DO380) is your gateway to mastering OpenShift at scale.

Ready to elevate your OpenShift expertise?

Explore DO380 training options with HawkStack Technologies and get hands-on with real-world OpenShift scaling scenarios.

For more details www.hawkstack.com

[coredgeblogs]

Getting Started with Kubeflow: Machine Learning on Kubernetes Made Easy

In today’s data-driven world, organizations are increasingly investing in scalable, reproducible, and automated machine learning (ML) workflows. But deploying ML models from research to production remains a complex, resource-intensive challenge. Enter Kubeflow, a powerful open-source platform designed to streamline machine learning operations (MLOps) on Kubernetes. Kubeflow abstracts much of the complexity involved in orchestrating ML workflows, bringing DevOps best practices to the ML lifecycle.

Whether you're a data scientist, ML engineer, or DevOps professional, this guide will help you understand Kubeflow’s architecture, key components, and how to get started.

What is Kubeflow?

Kubeflow is an end-to-end machine learning toolkit built on top of Kubernetes, the de facto container orchestration system. Originally developed by Google, Kubeflow was designed to support ML workflows that run on Kubernetes, making it easy to deploy scalable and portable ML pipelines.

At its core, Kubeflow offers a collection of interoperable components covering the full ML lifecycle:

Data exploration

Model training and tuning

Pipeline orchestration

Model serving

Monitoring and metadata tracking

By leveraging Kubernetes, Kubeflow ensures your ML workloads are portable, scalable, and cloud-agnostic.

Why Use Kubeflow?

Traditional ML workflows often involve disparate tools and manual handoffs, making them hard to scale, reproduce, or deploy. Kubeflow simplifies this by:

Standardizing ML workflows across teams

Automating pipeline execution and parameter tuning

Scaling training jobs dynamically on Kubernetes clusters

Monitoring model performance with integrated logging and metrics

Supporting hybrid and multi-cloud environments

Essentially, Kubeflow brings the principles of CI/CD and infrastructure-as-code into the ML domain—enabling robust MLOps.

Key Components of Kubeflow

Kubeflow’s modular architecture allows you to use only the components you need. Here are the most critical ones to know:

1. Kubeflow Pipelines

This is the heart of Kubeflow. It allows you to define, schedule, and monitor complex ML workflows as Directed Acyclic Graphs (DAGs). Pipelines support versioning, experiment tracking, and visualization of workflow runs.

2. Katib

An AutoML component that handles hyperparameter tuning using state-of-the-art algorithms like Bayesian optimization, grid search, and more. Katib can run large-scale tuning jobs across clusters.

3. KFServing (now KServe)

A robust model serving component for deploying trained models with support for REST/gRPC, autoscaling (including scale-to-zero), and multi-framework compatibility (TensorFlow, PyTorch, ONNX, XGBoost, etc.).

4. JupyterHub

Provides multi-user Jupyter notebooks directly within your Kubernetes environment. Great for data exploration, feature engineering, and prototyping.

5. ML Metadata (MLMD)

Tracks lineage and metadata about datasets, models, pipeline runs, and experiments, enabling reproducibility and governance.

Setting Up Kubeflow: A High-Level Walkthrough

Getting Kubeflow up and running can be daunting due to its complexity and the requirements of Kubernetes infrastructure. Here’s a high-level roadmap to guide your setup.

Step 1: Prepare Your Kubernetes Cluster

Kubeflow runs on Kubernetes, so you’ll need a Kubernetes cluster ready—either locally (via Minikube or KIND), on-premises, or in the cloud (GKE, EKS, AKS, etc.). Ensure you have:

Kubernetes ≥ v1.21

Sufficient CPU/memory resources

kubectl CLI configured

Step 2: Choose a Kubeflow Distribution

You can install Kubeflow using one of the following options:

Kubeflow Manifests: Official YAML manifests for production-grade installs

MiniKF: A local, single-node VM version ideal for development

Kfctl: Deprecated but still used in legacy environments

Kubeflow Operator: For declarative installs using CRDs

For most users, Kubeflow Manifests or MiniKF are the best starting points.

Step 3: Deploy Kubeflow

Assuming you’re using Kubeflow Manifests:

# Clone the manifests repo

git clone https://github.com/kubeflow/manifests.git

cd manifests

# Deploy using kustomize

while ! kustomize build example | kubectl apply -f -; do echo "Retrying to apply resources"; sleep 10; done

The installation process may take several minutes. Once complete, access the dashboard via a port-forward or ingress route.

The installation process may take several minutes. Once complete, access the dashboard via a port-forward or ingress route.

Step 4: Access the Kubeflow Central Dashboard

You can now access the Kubeflow UI, where you can create experiments, launch notebooks, manage pipelines, and deploy models—all from a unified interface.

Best Practices for Working with Kubeflow

To make the most of Kubeflow in production, consider the following:

Namespace Isolation: Use namespaces to separate teams and workflows securely.

Pipeline Versioning: Always version your pipeline components for reproducibility.

Storage Integration: Integrate with cloud-native or on-prem storage solutions (e.g., S3, GCS, NFS).

Security: Configure Role-Based Access Control (RBAC) and authentication using Istio and Dex.

Monitoring: Use Prometheus, Grafana, and ELK for observability and logging.

Common Challenges and How to Overcome Them

Kubeflow is powerful, but it comes with its share of complexity:

Challenge

Solution

Steep learning curve

Start with MiniKF or managed services like GCP Vertex AI Pipelines

Complex deployment

Use Helm charts or managed Kubernetes to abstract infra setup

RBAC and security

Leverage Kubeflow Profiles and Istio AuthPolicies for fine-grained control

Storage configuration

Use pre-integrated cloud-native storage classes or persistent volumes

Final Thoughts

Kubeflow brings enterprise-grade scalability, reproducibility, and automation to the machine learning lifecycle by marrying ML workflows with Kubernetes infrastructure. While it can be challenging to deploy and manage, the long-term benefits for production-grade MLOps are substantial.

For teams serious about operationalizing machine learning, Kubeflow is not just a tool—it’s a paradigm shift.

[generativeinai]

Top 10 Ways Generative AI in IT Workspace Is Redefining DevOps, Infrastructure Management, and IT Operations

Generative AI is no longer just a buzzword in enterprise IT — it’s a force multiplier. As businesses strive for faster delivery, resilient infrastructure, and autonomous IT operations, generative AI is becoming the secret weapon behind the scenes. From automating code to predicting outages before they happen, generative AI is transforming how DevOps teams, system admins, and IT managers operate daily.

In this blog, we’ll explore the top 10 real-world ways generative AI is redefining the IT workspace—specifically in the areas of DevOps, infrastructure management, and IT operations.

1. AI-Generated Infrastructure as Code (IaC)

Generative AI can automatically create, test, and optimize infrastructure-as-code templates based on user input or workload requirements.

Instead of manually writing Terraform or CloudFormation scripts, engineers can describe their desired setup in plain English.

AI tools like GitHub Copilot or bespoke enterprise copilots generate IaC snippets on demand, reducing human error and speeding up cloud provisioning.

Impact: Saves hours of setup time, increases reproducibility, and enforces security-compliant defaults.

2. Predictive Incident Management and Self-Healing Systems

Generative AI models trained on historical incident logs can predict recurring issues and suggest preventive measures in real-time.

Integrated into observability platforms, AI can flag anomalies before they impact end users.

When tied into automation workflows (e.g., via ServiceNow or PagerDuty), it can trigger remediation scripts, effectively enabling self-healing infrastructure.

Impact: Reduces MTTR (Mean Time to Resolve), enhances uptime, and frees up SRE teams from firefighting.

3. Automated Code Review and Deployment Optimization

Generative AI assists in reviewing code commits with suggestions for performance, security, and best practices.

AI bots can flag problematic code patterns, auto-suggest fixes, and even optimize CI/CD pipelines.

In DevOps, AI tools can recommend the best deployment strategy (blue-green, canary, etc.) based on application type and past deployment metrics.

Impact: Speeds up release cycles while reducing bugs and deployment risks.

4. Natural Language Interfaces for DevOps Tools

Generative AI turns complex CLI and scripting tasks into simple prompts.

Instead of memorizing kubectl commands or writing bash scripts, developers can just ask: “Scale my pod to 5 instances and restart the deployment.”

AI interprets the intent and executes the backend commands accordingly.

Impact: Democratizes access to DevOps tools for non-experts and accelerates operations.

5. Dynamic Knowledge Management and Documentation

Keeping IT documentation up to date is painful — generative AI changes that.

It auto-generates technical documentation based on system changes, deployment logs, and config files.

Integrated with enterprise wikis or GitHub repositories, AI ensures every process is captured in real time.

Impact: Saves time, ensures compliance, and keeps institutional knowledge fresh.

6. Smart Capacity Planning and Resource Optimization

AI-powered models predict workload trends and auto-scale infrastructure accordingly.

Generative AI can simulate future demand scenarios, suggesting cost-saving measures like right-sizing or moving workloads to spot instances.

In Kubernetes environments, AI can recommend pod-level resource adjustments.

Impact: Cuts infrastructure costs and ensures optimal performance during traffic spikes.

7. Personalized IT Assistant for Developers and Admins

Think of this as a ChatGPT specifically trained on your IT stack.

Developers can ask, “Why did the build fail yesterday at 3 PM?” or “How do I restart the staging DB?”

The AI assistant fetches logs, searches through config files, and provides contextual answers.

Impact: Reduces dependency on IT support, accelerates troubleshooting, and enhances developer autonomy.

8. AI-Augmented Threat Detection and Security Auditing

Generative AI scans code, configs, and network activity to detect vulnerabilities.

It can generate risk reports, simulate attack vectors, and recommend patching sequences.

Integrated into DevSecOps workflows, it ensures security is not bolted on, but baked in.

Impact: Proactively secures the IT environment without slowing down innovation.

9. Cross-Platform Automation of Repetitive IT Tasks

Routine tasks like server patching, log rotation, or service restarts can be automated through generative scripts.

AI can orchestrate cross-platform operations involving AWS, Azure, GCP, and on-prem servers from a single interface.

It also ensures proper logging and alerting are in place for all automated actions.

Impact: Enhances operational efficiency and reduces human toil.

10. Continuous Learning from Logs and Feedback Loops

Generative AI models improve over time by learning from logs, performance metrics, and operator feedback.

Each remediation or change adds to the AI’s knowledge base, making it smarter with every iteration.

This creates a virtuous cycle of continuous improvement across the IT workspace.

Impact: Builds an adaptive IT environment that evolves with business needs.

Final Thoughts: The AI-Augmented Future of IT Is Here

Generative AI isn’t replacing IT teams — it’s amplifying their capabilities. Whether you're a DevOps engineer deploying daily, an SRE managing thousands of endpoints, or an IT manager overseeing compliance and uptime, generative AI offers tools to automate, accelerate, and augment your workflows.

As we move toward hyper-automation, the organizations that succeed will be those that integrate Generative AI in the IT workspace strategically and securely.

[aravikumar48]

Production Kubernetes Cluster Setup | kubeadm cluster | Tech Arkit Production Kubernetes cluster installation and configuration step by step guide. #kubernetes #kubeadm #kubelet #kubectl #techarkit