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Search results for: containers

Exploring the Future of Local Cloud Development: Highlights from the Cloud DevXchange Meetup

The recent Cloud DevXchange meetup, organized by LocalStack in collaboration with KonfHub and Collabnix, brought together developers and cloud enthusiasts in Bengaluru for a day of knowledge-sharing...
Ajeet Raina
2 min read

Automating Configuration Updates in Kubernetes with Reloader

Managing and updating application configurations in a Kubernetes environment can be a complex and time-consuming task. Changes to ConfigMaps and Secrets...
Avinash Bendigeri
2 min read

Introducing Karpenter – An Open-Source High-Performance Kubernetes Cluster Autoscaler

Kubernetes has become the de facto standard for managing containerized applications at scale. However, one common challenge is efficiently scaling the...
Karan Singh
10 min read

CI/CD for Docker Using GitHub Actions

Learn how you can use GitHub Actions with Docker containers
Ajeet Raina
2 min read

How to Clear Docker Cache?

Explore how to clean Docker cache to improve performance and optimize disk usage.
Ajeet Raina
2 min read

Is WebAssembly better than JavaScript

The question of whether WebAssembly is better than JavaScript is not straightforward, as both technologies have their strengths and weaknesses. It’s...
Ajeet Raina
4 min read

Applying DevSecOps Practices to Kubernetes

Special thanks to Mewantha Bandara for contributing this tutorial for the Kubelabs repository. There is an exhaustive list of security measures...
Karan Singh
17 min read

Kubestalk: Uncovering Hidden Security Risks in Your Kubernetes Clusters

Kubernetes is a popular container orchestration platform used to deploy, scale and manage containerized applications. Kubestalk is a tool that integrates...
Avinash Bendigeri
4 min read

Wasm: Explained to a 5 years old

WebAssembly (abbreviated Wasm) is like a special language that helps computers understand and run programs really fast on the internet. It’s like...
Ajeet Raina
4 min read

Exploring Cluster Resources with Kubeview: A Visual Approach to Kubernetes Monitoring

Kubeview is a powerful open-source tool that provides a visual representation of your Kubernetes cluster, allowing you to explore resources and...
Ajeet Raina
3 min read

Wasm and Kubernetes – Working Together

WebAssembly is a binary format that allows running code written in multiple languages (C/C++, Rust, Go, etc.) on the web. This...
Ajeet Raina
4 min read

How to Become a DevOps Engineer: A Comprehensive Guide

DevOps is more of a methodology than a profession. Since automation pervades the entire workflow, a DevOps specialist needs to have...
Karan Singh
4 min read

Kubernetes for Python Developers

Kubernetes is a popular container orchestration platform that provides a powerful API for managing containerized applications. The Kubernetes API is a...
Ajeet Raina
3 min read

15 Kubernetes Best Practices Every Developer Should Know

Explore 15 Kubernetes best practices that every developer should know, along with code snippets and YAML examples
Avinash Bendigeri
6 min read

Docker Desktop – Unexpected WSL Error

If you’re using Docker Desktop for Windows and you’re seeing the error message "Docker Desktop Unexpected WSL error," it means that...
Ajeet Raina
4 min read

Error: Docker Failed to Start – Docker Desktop for Windows

Learn how to troubleshoot and fix common issues that cause the "Docker failed to start" error on Windows, such as disabled...
Avinash Bendigeri
4 min read

Getting Started with FastAPI and Docker

The architecture of FastAPI is based on the following key components: The architecture of FastAPI is designed to be fast, easy...
Ajeet Raina
3 min read

Kubernetes Security: 8 Best Practices to Secure Your Cluster

Kubernetes is an open-source platform designed for managing containerized workloads and services. It offers a range of features that make it...
Karan Singh
16 min read

How To Use Traefik v2 as a Reverse Proxy for Docker

Traefik is a powerful and flexible tool for managing traffic and routing requests in modern cloud-native environments. It has become a popular...
Ajeet Raina
3 min read

Kubernetes ReplicaSet: An Introduction

Kubernetes ReplicaSets are a way of ensuring that a specified number of replicas (i.e., identical copies) of a pod are running...
Ajeet Raina
6 min read

How to Build a Docker Extension From the Scratch

As a developer using Docker Desktop, you have access to a powerful tool that can help you build, share, and run...
Ajeet Raina
11 min read

Is it possible to run Docker container on Arduino Uno?

The short answer is “No, you cannot run Docker containers directly on an Arduino Uno R3 board as it does not...
Ajeet Raina
2 min read

Kubernetes StatefulSets and Its Best Practices

Kubernetes StatefulSets are a type of controller in Kubernetes that manage the deployment and scaling of stateful applications. Stateful applications are...
Ajeet Raina
2 min read

Run And Configure Grafana Docker Image

Grafana provides a comprehensive solution for data visualization, exploration, and monitoring, helping organizations make better decisions by providing them with a...
Ajeet Raina
5 min read

Integrating Slurm with Kubernetes for Scalable Machine Learning Workloads

Machine learning workloads have gained immense popularity in recent years, due to their ability to process and analyze large amounts of...
Karan Singh
3 min read

Top 10 Kubernetes YAML Tips and Tricks

Due to its popularity in the DevOps and container orchestration communities, many organisations and developers who use tools like Kubernetes, Ansible,...
Ajeet Raina
2 min read

How to Run Microsoft SQL in minutes using Docker Desktop

Docker Desktop for Windows is a Windows-based application that provides a user-friendly interface for developers to build, package, and ship applications...
Ajeet Raina
2 min read

How Docker Desktop for Windows works under the Hood?

Docker Desktop for Windows is a version of the Docker platform that is designed to work on Windows operating systems. It...
Ajeet Raina
4 min read

Can ChatGPT Debug and Fix all of your Docker and Kubernetes Issues?

The short answer is “not 100%”. Here’s the reason why? ChatGPT can provide general information and guidance on Docker issues, but...
Ajeet Raina
4 min read

Getting Started with Rust and Docker

Rust has consistently been one of the most loved programming languages in the Stack Overflow Developer Survey. Rust tops StackOverflow Survey...
Ajeet Raina
6 min read

5 Benefits of Docker for the Healthcare Industry

Docker containers have rapidly become a popular technology in the healthcare industry, providing a number of benefits to healthcare providers, researchers,...
Karan Singh
6 min read

How to run Oracle Database in a Docker Container using Docker Compose

Oracle Container Registry (OCR) is a private container registry provided by Oracle Corporation that allows users to store, distribute, and manage container...
Ajeet Raina
2 min read

How to deploy a static site using Mkdocs and Netlify

MkDocs is an open-source static site generator that is used to create documentation websites. It is written in Python and is built...
Ajeet Raina
6 min read

Running ChatGPT Client locally on Kubernetes Cluster using Docker Desktop

Join our Discord Server Pre-requisite Step 1. Install Docker Desktop Step 2. Enable Kubernetes Step 3. Writing the Dockerfile This Dockerfile...
Ajeet Raina
5 min read

A Beginner’s Guide to Docker Networking

For Docker containers to communicate with each other and the outside world via the host machine, there has to be a...
Ajeet Raina
13 min read

5 Minutes to Memgraph using Docker Extension

Memgraph is a high-performance, distributed in-memory graph database. It is designed to handle large volumes of data and complex queries, making...
Ajeet Raina
4 min read

What’s New in Docker Desktop 4.15?

Docker Desktop 4.15 is now available for all platforms – Linux, Windows and macOS. It comes with Docker Compose v2.13.0, Containerd v1.6.10 and Docker Hub...
Ajeet Raina
1 min read

How to Build & Push Helm Chart to Docker Hub flawlessly

Learn how to build and push Helm Chart to Docker Hub using Docker Desktop
Ajeet Raina
4 min read

Install and Configure GitLab Runner on Kubernetes using Helm

GitLab Runner is a tool that helps run jobs and send the results back to GitLab. It is often used in...
Ajeet Raina
7 min read

HubScraper: A Docker Hub Scraper Tool built using Python, Selenium and Docker

  Web scraping has become increasingly popular in recent years, as businesses try to stay competitive and relevant in the ever-changing...
Ajeet Raina
9 min read

9 Best Docker and Kubernetes Resources for All Levels

If you’re a developer hunting for Docker and Kubernetes-related resources, then you have finally arrived at the right place. Docker is a...
Ajeet Raina
5 min read

Getting Started with Docker and Kubernetes on Raspberry Pi

Raspberry Pi OS (previously called Raspbian) is an official operating system for all models of the Raspberry Pi. We will be...
Ajeet Raina
3 min read

Integrated Search Capability in Docker Desktop to accelerate the Modern Application Development

MongoDB is a popular document-oriented database used to store and process data in the form of documents. In my last blog post,...
Ajeet Raina
3 min read

Using Blockchain to Drive Supply Chain Management System

It really is an exaggeration to say that blockchain was among the most emerging technologies yet devised. Any business can benefit...
Avinash Bendigeri
9 min read

A First Look at Docker Desktop for Linux

Download Docker Desktop for Linux
Ajeet Raina
4 min read

What is Helm?

Ajeet Raina
11 min read

Top 50 Essential Docker Developer Tools You Must be Aware Of

Access to Docker Developer Tools
Ajeet Raina
3 min read

How To Secure Kubernetes Clusters In 7 Steps

Kubernetes is now the most widely used container and container orchestration platform. With the growing adoption of container and container orchestrator...
Korra Shailaja
5 min read

How To Use & Manage Kubernetes DaemonSets? – KubeLabs Glossary

  Join Collabnix Community Slack
Ajeet Raina
3 min read

How to Connect to Remote Docker using docker context CLI

Listing the container Switching to the new context Listing the overall context
Ajeet Raina
2 min read

Dockerize an API based Flask App and Redis using Docker Desktop

If you’re a developer looking out for a lightweight but robust framework that can help you in web development with fewer...
Avinash Bendigeri
2 min read

Unveiling Docker: The Revolutionary Tech Ruling the Digital World

Docker: Unleashing the Digital Titan of the Tech World
Ajeet Raina
3 min read

How to Copy files from Docker container to the Host machine?

By utilizing DockerLabs, you can acquire knowledge on Docker and gain entry to over 300 tutorials on Docker designed for novices,...
Avinash Bendigeri
2 min read

Awesome-Compose: What It is and Why You Should Really Care About It

With over 14,700 stars, 2,000 forks, awesome-compose is a popular Docker repository that contains a curated list of Docker Compose samples. It helps...
Ajeet Raina
3 min read

Top Kubernetes Tools You Need for 2022 – Popeye

Thanks to Collabnix community members Abhinav Dubey and Ashutosh Kale for all the collaboration and contribution towards this blog post series....
Ajeet Raina
3 min read

Demystifying Kubernetes in less than 100 slides

Did you know? There are 5.6 million developers using Kubernetes worldwide, representing 31% of all backend developers. 2022 will be an...
Ajeet Raina
25 sec read

How to Deploy a Stateful Application using Kubernetes? – KubeLabs Glossary

A StatefulSet is a Kubernetes controller that is used to manage and maintain one or more Pods. However, so do other controllers like...
Ajeet Raina
5 min read

What are Kubernetes Replicasets? – KubeLabs Glossary

How can you ensure that there are 3 Pods instances which are always available and running at one point in time?...
Ajeet Raina
7 min read

Top 6 Docker Security Scanning Practices

When it comes to running containers and using Kubernetes, it’s important to make security just as much of a priority as...
Ajeet Raina
3 min read

Shipa Vs OpenShift: A Comparative Guide

With the advent of a popular PaaS like Red Hat OpenShift, developers are able to focus on delivering value via their...
Ajeet Raina
6 min read

Top 5 Docker Myths and Facts That You Should be Aware of

  Today, every fast-growing business enterprise has to deploy new features of their app rapidly if they really want to survive...
Ajeet Raina
5 min read

What is Kubernetes Scheduler and why do you need it? – KubeLabs Glossary

If you are keen to understand why Kubernetes Pods are placed onto a particular cluster node, then you have come to...
Ajeet Raina
5 min read

How to build and run a Python app in a container – Docker Python Tutorial

In May 2021, over 80,000 developers participated in StackOverFlow Annual Developer survey. Python traded places with SQL to become the third...
Ajeet Raina
5 min read

Running Automated Tasks with a CronJob over Kubernetes running on Docker Desktop

Docker Desktop 4.1.1 got released last week. This latest version support Kubernetes 1.21.5 that was made available recently by the Kubernetes...
Ajeet Raina
3 min read

Top Kubernetes Tools You Need for 2022- Devtron

Thanks to Collabnix community members Abhinav Dubey, Ashutosh Kale and Vinodkumar Mandalapu for all the collaboration and contribution towards these blog post series. What’s the biggest benefit you’ve...
Ajeet Raina
4 min read

Top Kubernetes Tools You Need for 2021 – K3d and Portainer

Thanks to Collabnix community members Abhinav Dubey, Ashutosh Kale and Vinodkumar Mandalapu for all the collaboration and contribution towards this blog post series. In the last...
Ajeet Raina
6 min read

Getting Started with Docker and AI workloads on NVIDIA Jetson AGX Xavier Developer Platform

If you’re an IoT Edge developer and looking out to build and deploy the production-grade end-to-end AI robotics applications, then check...
Ajeet Raina
7 min read

Building a Real-Time Crowd Face Mask Detection System using Docker on NVIDIA Jetson Nano

Did you know? Around 94% of AI Adopters are using or plan to use containers within 1 year time. Containers are...
Ajeet Raina
5 min read

Getting Started with Shipa

Are you frustrated with how much time it takes to create, deploy and manage an application on Kubernetes? Wouldn’t it be...
Ajeet Raina
12 min read

A First Look at Dev Environments Feature under Docker Desktop 3.5.0

Starting Docker Desktop 3.5.0, Docker introduced the Dev Environments feature for the first time. The Dev Environments feature is the foundation...
Ajeet Raina
3 min read

Building Your First Jetson Container

The NVIDIA Jetson Nano 2GB Developer Kit is the ideal platform for teaching, learning, and developing AI and robotics applications. It...
Ajeet Raina
7 min read

What You Should Expect From Collabnix Joint Meetup with JFrog & Docker Bangalore Event?

This June 19th, 2021, the Collabnix community is coming together with JFrog & Docker Bangalore Meetup Group to conduct a meetup...
Ajeet Raina
1 min read

Kubectl for Docker Beginners

Kubectl is a command-line interface for running commands against Kubernetes clusters. kubectl looks for a file named config in the $HOME/.kube directory. You can specify...
Ajeet Raina
3 min read

Running RedisInsight Docker container in a rootless mode

On a typical installation, the Docker daemon manages all the containers. The Docker daemon controls every aspect of the container lifecycle....
Ajeet Raina
4 min read

Docker Compose now shipped with Docker CLI by default

Last year, Dockercon attracted 78,000 registrants, 21,000 conversations across 193 countries. This year, it was an even much bigger event attracting...
Ajeet Raina
3 min read

What are Kubernetes Pods? | KubeLabs Glossary

Kubernetes (commonly referred to as K8s) is an orchestration engine for container technologies such as Docker and rkt that is taking...
Ajeet Raina
9 min read

Running a Web Browser in a Docker container

Are you still looking out for a solution that allows you to open multiple web browsers in Docker containers at the...
Ajeet Raina
1 min read

Running Minecraft in Rootless Mode under Docker 20.10.6

Rootless mode was introduced in Docker Engine v19.03 as an experimental feature for the first time. Rootless mode graduated from experimental...
Ajeet Raina
5 min read

Running RedisInsight using Docker Compose

RedisInsight is an intuitive and efficient GUI for Redis, allowing you to interact with your databases and manage your data—with built-in...
Ajeet Raina
2 min read

Portainer Vs Rancher

According to Gartner “By 2024, low-code application development will be responsible for more than 65% of application development activity.” Low code...
Ajeet Raina
4 min read

Getting Started with NVIDIA Jetson Nano From Scratch

The NVIDIA Jetson Nano 2GB Developer Kit is the ideal platform for teaching, learning, and developing AI and robotics applications. It...
Ajeet Raina
1 min read

Running Redis on Multi-Node Kubernetes Cluster in 5 Minutes

Redis is a very popular open-source project with more than 47,200 GitHub stars, 18,700 forks, and 440+ contributors.  Stack Overflow’s annual...
Ajeet Raina
1 min read

A First Look at PineBook Pro – A 14” ARM Linux Laptop For Just $200

If you’re a FOSS enthusiast and looking out for a powerful little ARM laptop, PineBook Pro is what you need. The...
Ajeet Raina
3 min read

Introducing 2GB NVIDIA Jetson Nano: An Affordable Yet Powerful $59 AI Computer

Today at GPU Technology Conference(GTC) 2020, NVIDIA announced a new 2GB Nvidia Jetson Nano for the first time. Last year, during...
Ajeet Raina
2 min read

Running Docker Compose on NVIDIA Jetson Nano in 5 Minutes

Starting with v4.2.1, NVIDIA JetPack includes a beta version of NVIDIA Container Runtime with Docker integration for the Jetson platform. This...
Ajeet Raina
2 min read

5 Minutes to Kubernetes Architecture

Kubernetes (a.k.a K8s) is an open-source container-orchestration system which manages the containerised applications and takes care of the automated deployment, storage,...
Ajeet Raina
2 min read

Interview with Docker Captain Ajeet Singh Raina

This article was originally published in the leading Open Source India magazine Ajeet Singh Raina’s journey as a community leader began...
Avinash Bendigeri
6 min read

A First Look at Portainer 2.0 CE – Now with Kubernetes Support

Irrespective of the immaturity of the container ecosystem and lack of best practices, the adoption of Kubernetes is massively growing for...
Ajeet Raina
6 min read

Deploy your AWS EKS cluster with Terraform in 5 Minutes

Amazon Elastic Kubernetes Service (a.k.a Amazon EKS) is a fully managed service that helps make it easier to run Kubernetes on...
Ajeet Raina
4 min read

Getting Started with Jenkins X in 5 Minutes

Jenkins works perfectly well as a stand-alone open source tool but with the shift to Cloud native and Kubernetes, it invites...
Ajeet Raina
11 min read

The Rise of Shipa – A Continuous Operation Platform

Cloud native microservices have undergone an exciting architectural evolution. 4 years back, the industry was busy talking about the rise of...
Ajeet Raina
16 min read

Monitoring Multi-Node K3s Cluster running on IoT using Datadog – Part 1

The rapid adoption of cloud-based solutions in the IT industry is acting as the key driver for the growth of the...
Ajeet Raina
4 min read

The Ultimate Docker Tutorial for Automation Testing

If you’re looking out for a $0 cloud-based, SaaS test automation development framework designed for your agile team, TestProject is the right...
Ajeet Raina
57 sec read

Building Your First Certified Kubernetes Cluster On-Premises, Part 2: – iSCSI Support

In my first post, I discussed how to build your first certified on-premises Kubernetes cluster using Docker Enterprise 3.0. In this...
Ajeet Raina
9 min read

Top 50 Kubernetes Interview Questions For You

Kubernetes provides a container-centric management environment. It orchestrates computing, networking, and storage infrastructure on behalf of user workloads. This provides much...
Ajeet Raina
31 min read

5 Minutes to RedisInsight running on Single Node Kubernetes Cluster on Docker Desktop for Mac

If you are looking out for a tool which can inspect your Redis data, monitor health, and perform runtime server configuration...
Ajeet Raina
3 min read

Visualize Redis Open Source using Rebrow

If you are serious about monitoring your cluster health with real-time alerts, analyzing your cluster configuration, rebalance as necessary, managing addition...
Ajeet Raina
4 min read

5 Minutes to Multi-Node Redis Cluster running on Google Cloud Kubernetes Engine using Docker Desktop for Windows

If you are looking out for the easiest way to create Redis Cluster on remote Cloud Platform like Google Cloud Platform...
Ajeet Raina
6 min read

Building 3-Node Active-Active Redis Enterprise Cluster for Developers using Docker Desktop for Mac

Redis Enterprise Software (RS) offers Redis Cluster. RS Cluster is just a set of Redis nodes (OS with Redis installed). It...
Ajeet Raina
6 min read

Running Redis Enterprise inside Docker Container in 5 Minutes

Redis Enterprise Software (earlier known as “Redis Labs Enterprise Cluster”) is a robust in-memory but persistent on disk database . Redis...
Ajeet Raina
2 min read

DigitalOcean – A Perfect Docker Developer’s Cloud

DigitalOcean (sweetly called “DO”) is “Docker Developer’s Platform”. If you’re a developer & looking out for speedy way to spin up...
Ajeet Raina
3 min read

Object Detection with Yolo Made Simple using Docker on NVIDIA Jetson Nano

If you are looking out for the most effective real-time object detection algorithm which is open source and free to use,...
Ajeet Raina
11 min read

Pico goes Cloudless: Running RTMP & Nginx for Video Streaming using Docker on Jetson Nano locally

I conducted Pico workshop for University students (Vellore Institute of Technology, Vellore & the University of Petroleum & Energy Studies, Dehradun)...
Ajeet Raina
3 min read

Running Redis on 5-Node Docker Swarm Cluster in 2 Minutes

Redis refers to REmote DIctionary Server. It is an open source, in-memory Data Structure Store, used as a database, a caching...
Ajeet Raina
7 min read

The Rise of Pico: At the Grace Hopper Celebration India

The Grace Hopper Celebration of Women in Computing (GHC) is a series of conferences designed to bring the research and career...
Ajeet Raina
2 min read

Multi-Node K3s Cluster on NVIDIA Jetson Nano in 5 Minutes

If you are looking out for lightweight Kubernetes which is easy to install and perfect for Edge, IoT, CI and ARM,...
Ajeet Raina
6 min read

Docker workshop on Raspberry Pi – University of Petroleum and Energy Studies, Dehradun

On the 3rd of October, I travelled to UPES Dehradun(around 1500 miles) for 1 day session on ” The Pico project”...
Ajeet Raina
1 min read

Building Your First Certified Kubernetes Cluster On-Premises (Part 3) – Support of Kubernetes on Windows

In Part 1 of this blog series, I demonstrated how to deploy a certified Kubernetes cluster on-premises using Docker Enterprise 3.0....
Ajeet Raina
3 min read

Docker 19.03 comes to NVIDIA Jetson Nano

Did you know? In the latest Docker 19.03 Release, a new flag –gpus have been added for docker run which allows...
Ajeet Raina
6 min read

Installing Docker Engine 19.03 on Raspberry Pi 3 in 2 Minutes

Docker is officially supported both on Raspberry Pi 3 and 4. Installing Docker is just a matter of single-liner command. All...
Ajeet Raina
5 min read

A Complete Guide to build Certified Kubernetes Cluster using Docker Enterprise 3.0 on Bare Metal System – Part-I

Did you know? Over 800+ enterprise organizations use Docker Enterprise for everything from modernizing traditional applications to microservices and data science....
Ajeet Raina
14 min read

Kubernetes Cluster on Bare Metal System Made Possible using MetalLB

If you try to setup Kubernetes cluster on bare metal system, you will notice that Load-Balancer always remain in the “pending”...
Ajeet Raina
9 min read

Top 5 Cool Projects around Docker, Raspberry Pi & Blinkt! ~ Monitoring Docker Swarm using LEDs – Part I

Two week back, I travelled to Jaipur, around 1000+ miles from Bangalore for delivering one of Docker Session. I was invited...
Ajeet Raina
3 min read

Docker Enterprise 3.0: Now with New Built-in Docker cluster CLI Plugin

Last Dockercon, dozens of new Docker CLI Plugin were introduced. All of these CLI plugins will be available in upcoming Docker...
Ajeet Raina
6 min read

How to Deploy Apache Kafka on AWS Platform using Docker Swarm Mode?

I am thrilled and excited to start a new open source project called “Pico”. Pico is a beta project which is...
Ajeet Raina
5 min read

How to create a Local Private Docker Registry on Play with Docker in 5 Minutes?

DockerHub is a service provided by Docker for finding and sharing container images with your team. It is the world’s largest...
Ajeet Raina
4 min read

How I built ARM based Docker Images for Raspberry Pi using buildx CLI Plugin on Docker Desktop?

2 weeks back in Dockercon 2019 San Francisco, Docker & ARM demonstrated the integration of ARM capabilities into Docker Desktop Community...
Ajeet Raina
10 min read

New Docker CLI API Support for NVIDIA GPUs under Docker Engine 19.03.0 Pre-Release

Let’s talk about Docker in a GPU-Accelerated Data Center… Docker is the leading container platform which provides both hardware and software...
Ajeet Raina
5 min read

Sysctl Support for Docker Swarm Cluster for the first time in Docker 19.03.0 Pre-Release

Docker CE 19.03.0 Beta 1 went public 2 week back. It was the first release which arrived with sysctl support for...
Ajeet Raina
6 min read

Docker 19.03.0 Pre-Release: Fast Context Switching, Rootless Docker, Sysctl support for Swarm Services

Last week Docker Community Edition 19.03.0 Beta 1 was announced and release notes went public here.Under this release, there were numerous...
Ajeet Raina
7 min read

Meet K3s – A Lightweight Kubernetes Distribution for Raspberry Pi Cluster

To implement a microservice architecture and a multi-cloud strategy, Kubernetes today has become a key enabling technology. The bedrock of Kubernetes...
Ajeet Raina
10 min read

Docker Birthday #6: “Show-And-Tell” Event in Bangalore

Docker’s Birthday Celebration is not just about cakes, food and party. It’s actually a global tradition that is near and dear to our heart...
Ajeet Raina
5 min read

Top 50 Ansible Interview Questions

Ansible is an open-source engine that automates configuration management, application deployment, and other devOps tasks. Ansible is simple, agentless IT automation...
Ajeet Raina
30 min read

Turn Your Raspberry Pi into Low-cost CCTV Surveillance Camera(with Night Vision) in 5 Minutes using Docker

Last week I purchased Raspberry PI Infrared IR Night Vision Surveillance Camera Module 500W Webcam. This webcam features 5MP with OmniVision 5647 sensor...
Ajeet Raina
7 min read

Test Drive 5 Cool Linux Applications on Docker Desktop for Windows Platform

Docker Desktop for Windows 2.0.0.3 Release is available. This release comes with Docker Engine 18.09.2, Compose v1.23.2 & Kubernetes v1.10.11. One...
Ajeet Raina
4 min read

Top 5 Features of Docker Engine v18.09.1 That You Shouldn’t Miss Out

Docker Engine v18.09.1 went GA last month. It was made available for both the Community and Enterprise users. Docker Enterprise is...
Ajeet Raina
10 min read

Building Data Persistent & Datacenter Asset Reporting Capability with Racktables running inside Docker container

Let’s talk about Docker inside the datacenter.. If you are a datacenter administrator and still scouring through a spreadsheet of “unallocated”...
Ajeet Raina
3 min read

Test Drive Compose on Kubernetes on Play with Kubernetes(PWK) Playground in 5 Minutes

On the 2nd day of Dockercon, Docker Inc. open sourced Compose on Kubernetes project. This project provides a simple way to define cloud...
Ajeet Raina
7 min read

A First Look at Compose on Kubernetes for Minikube

Say Bye to Kompose ! Let’s begin with a problem statement – “The Kubernetes API is quite HUGE. More than 50...
Ajeet Raina
6 min read

Running Cron Jobs container on 5-Node Docker Swarm Mode Cluster

A Docker Swarm consists of multiple Docker hosts which run in swarm mode and act as managers (to manage membership and...
Ajeet Raina
2 min read

Top 5 Most Exciting Dockercon EU 2018 Announcements

Last week I attended Dockercon 2018 EU which took place at Centre de Convencions Internacional de Barcelona (CCIB) in Barcelona, Spain....
Ajeet Raina
7 min read

Top 100 Docker Interview Questions & Answers

Are you looking out for Docker related Interview questions categorised into Beginners, Intermediate & Advanced Level users? If yes, then you...
Ajeet Raina
25 min read

6 Things You Should Know before Dockercon 2018 EU

  At Dockercon 2018 this year, you can expect 2,500+ participates, 52 breakout sessions, 11 Community Theatres, 12 workshops, over 100+...
Ajeet Raina
4 min read

Kubernetes Hands-on Lab #4 – Deploy Prometheus Stack using Helm on Play with Kubernetes Platform

  Let’s talk about Kubernetes Deployment Challenges… As monolithic systems become too large to deal with, many enterprises are drawn to...
Ajeet Raina
6 min read

Kubernetes Hands-on Lab #3 – Deploy Istio Mesh on K8s Cluster

  Istio is completely an open source service mesh that layers transparently onto existing distributed applications. Istio v1.0 got announced last...
Ajeet Raina
7 min read

Kubernetes Hands-on Lab #1 – Setting up 5-Node K8s Cluster

  Are you new to Kubernetes? Want to build your career in Kubernetes? Then Welcome ! You are at the right place. This...
Ajeet Raina
2 min read

How I built Elastic Stack for Docker Swarm using Docker Application Packages(docker-app)

  Let’s begin with Problem Statement ! DockerHub is a cloud-based registry service which allows you to link to code repositories,...
Ajeet Raina
4 min read

Getting Started with OpenUSM on Docker for Windows Platform

OpenUSM is a modern approach to Server Management, Insight Logs Analytics and Machine Learning solution integrated with monitoring & logging pipeline...
Ajeet Raina
3 min read

2 Minutes to Docker MacVLAN Networking – A Beginners Guide

Scenario:  Say, you have built Docker applications(legacy in nature like network traffic monitoring, system management etc.) which is expected to be directly...
Ajeet Raina
2 min read

What’s New in Docker Enterprise Edition 18.03 Engine Release?

  A New Docker Enterprise Engine 18.03.0-ee-1 has been released. This is a stand-alone engine release intended for EE Basic customers....
Ajeet Raina
3 min read

Top 5 Most Exciting Dockercon 2018 Announcements

    Yet another amazzing Dockercon ! I attended Dockercon 2018 last week which happened in the most geographically blessed city...
Ajeet Raina
5 min read

Kubernetes Application Deployment Made Easy using Helm on Docker for Mac 18.05.0 CE

  Docker for Mac 18.05.0 CE Release went GA last month. With this release, you can now select your orchestrator directly...
Ajeet Raina
7 min read

Under the Hood: Demystifying Docker Desktop For Mac

Docker is a full development platform for creating containerized apps, and Docker for Mac is the most efficient way to start...
Ajeet Raina
4 min read

Top 5 Exclusive Features of Docker For Mac That You Can’t Afford to Ignore

  Docker for Mac 18.04.0 CE Edge Release went GA early last month. This was the first time Kubernetes version 1.9.6...
Ajeet Raina
5 min read

Demystifying Serverless & OpenFaas

Is Function a new container? Why so buzz around Serverless computing like OpenFaas?   One of the biggest tech trend of...
Ajeet Raina
6 min read

Under the Hood: Demystifying Docker Enterprise Edition 2.0 Architecture

The Only Kubernetes Solution for Multi-Linux, Multi-OS and Multi-Cloud Deployments is right here… Docker Enterprise Edition(EE) 2.0 Final GA release is...
Ajeet Raina
5 min read

5 Minutes to Bootstrap Kubernetes Cluster on GKE using Docker for Mac 18.03.0

Docker 18.03.0 CE Release is now available under Docker for Mac Platform. Docker for Mac 18.03.0 CE is now shipped with...
Ajeet Raina
4 min read

Context Switching Made Easy under Kubernetes powered Docker for Mac 18.02.0

Say Bye to Kubectx ! I have been a great fan of kubectx and kubectl which has been a fast way...
Ajeet Raina
5 min read

3 Minutes to Single Node Kubernetes cluster on Docker for Mac Platform

Docker For Mac 17.12 GA Release is now available for the general public. Experimental Kubernetes Support is available only on Edge...
Ajeet Raina
6 min read

When Kubernetes Meet Docker Swarm for the First time under Docker for Mac 17.12 Release

Docker For Mac 17.12 GA is the first release which includes both the orchestrators – Docker Swarm & Kubernetes under the...
Ajeet Raina
4 min read

Top 10 Reasons why LinuxKit is better than the traditional OS distribution

  “LinuxKit is NOT designed with an intention to replace any of traditional OS like Alpine, Ubuntu, Red Hat etc. It...
Ajeet Raina
7 min read

A First Look at Kubernetes Integrated Docker For Mac Platform

Docker support for Kubernetes is now in private beta. As a docker captain, I was able to be a part of...
Ajeet Raina
5 min read

Running LinuxKit locally on Oracle VirtualBox Platform Made Easy

LinuxKit GITHUB repository has already crossed 1800 commits, 3600+ stars &  been forked 420+ times since April 2017 when it was...
Ajeet Raina
3 min read

Building a minimalistic LinuxKit OS on Raspberry Pi 3 using Moby

LinuxKit GITHUB repository recently crossed 3495 stars, forked around 410+ times and added 80+ contributors. Just 7 months old project and...
Ajeet Raina
3 min read

How to Build Kubernetes Cluster using CRI-containerd & Moby

Let’s talk about CRI Vs CRI-Containerd… Container Runtime Interface(a.ka. CRI) is a standard way to integrate Container Runtime with Kubernetes. It...
Ajeet Raina
4 min read

Docker, Prometheus & Pushgateway for NVIDIA GPU Metrics & Monitoring

In my last blog post, I talked about how to get started with NVIDIA docker & interaction with NVIDIA GPU system. I...
Ajeet Raina
3 min read

Building a secure Docker Host VM on VMware ESXi using LinuxKit & Moby

Post Dockercon 2017 @ Austin TX,  I raised a feature request titled “LinuxKit command to push vmware.vmdk to remote ESXi datastore”....
Ajeet Raina
3 min read

Running NVIDIA Docker in the GPU-Accelerated Data Center

Docker is the leading container platform which provides both hardware and software encapsulation by allowing multiple containers to run on the same...
Ajeet Raina
5 min read

Walkthrough: Enabling IPv6 Functionality for Docker & Docker Compose

By default, Docker assigns IPv4 addresses to containers. Does Docker support IPv6 protocol too? If yes, how complicated is to get it...
Ajeet Raina
3 min read
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