Ajeet Raina

  https://collabnix.com Docker Captain, ARM Innovator & Docker Bangalore Community Leader.

     



359 Stories by Ajeet Raina

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 event for DevOps...
2 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 other kubeconfig files...
80 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. Older versions of...
1 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 over 90,000+ attendees....
2 3 min read

Delivering Container-based Apps to IoT Edge devices | Dockercon 2021

Did you know? Dockercon 2021 was attended by 80,000 participants on the first day. It was an amazing experience hosting “Docker for IoT Edge...
4 1 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 over the DevOps...
2 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 same time? Most...
16 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 in Docker Engine...
2 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 support for the...
1 2 min read

Getting Started with BME680 Sensor on NVIDIA Jetson Nano

The BME680 is a digital 4-in-1 sensor with gas, humidity, pressure, and temperature measurement based on proven sensing principles. The state-of-the-art BME680 breakout lets...
1 1 min read

How to run NodeJS Application inside Docker container on Raspberry Pi

This is the complete guide starting from all the required installation to actual dockerizing and running of a node.js application. But first of all,...
1 3 min read

OSCONF 2021: Save the date

OSCONF 2021 is just around the corner and the free registration is still open for all DevOps enthusiasts who want to remain abreast of...
6 1 min read

A Closer Look at AI Data Pipeline

According to a recent Gartner report, “By the end of 2024, 75% of organizations will shift from piloting to operationalizing artificial intelligence (AI), driving...
1 2 min read

How I built the first ARM-based Docker Image on Pinebook using buildx tool?

The Pinebook Pro is a Linux and *BSD ARM laptop from PINE64. It is built to be a compelling alternative to mid-ranged Chromebooks that...
1 4 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 development is a...
2 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 uses the same...
1 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 Developer Survey has ranked...
2 1 min read

2 Minutes to “Nuke” Your AWS Cloud Resources

Are you seriously looking out for a tool that can save your AWS bills while being a FREE tier user? If you’re one of...
1 2 min read

A New DockerHub CLI Tool under Docker Desktop 3.0.0

Docker Desktop is the preferred choice for millions of developers building containerized applications. With the latest Docker Desktop Community 3.0.0 Release, a new Hub CLI tool...
1 1 min read

Running RedisAI on NVIDIA Jetson Nano for the first time

The hardest part of AI is not artificial intelligence itself, but dealing with AI data. The accelerated growth of data captured from the sensors...
1 7 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 Pinebook Pro is...
1 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 the March timeframe,...
2 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 is essential because...
3 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, scaling, scheduling, load...
1 2 min read

5 Reasons why you should attend ARM Dev Summit 2020

Register Here With 100+ sessions, 200+ speakers & tons of sponsors , Arm DevSummit is going to kick-off next month. It will take place...
1 4 min read

Running Minecraft Server on NVIDIA Jetson Nano using Docker

With over 126 million monthly users, 200 million games sold & 40 million MAU, Minecraft still remains one of the biggest games on the...
2 2 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 legacy modernization and...
1 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 AWS. Through EKS,...
2 4 min read

From 1 to 5000: A Close Look at Collabnix Slack Journey

“Individually We Specialise, Together We Transform” Slack has grown to be an excellent tool for communities- both large and small, open and pay-to-access. Collabnix...
1 1 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 challenges in terms...
1 11 min read

Jenkins X Cloud Native CI/CD with TestProject

Building microservices isn’t merely breaking up a monolithic software application into a collection of smaller services. When shifting to microservices, there are best practices...
1 2 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 microservice architecture where...
2 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 internet of things...
1 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 choice for you....
1 57 sec read

How to migrate AWS ElastiCache data to Redis with Zero downtime

Are you looking out for a tool which can help you migrate Elasticache data to Redis Open Source or Redis Enterprise and that too...
2 3 min 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 post, I will...
1 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 of the simplicity...
2 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 with a browser-based...
2 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 of nodes, re-sharding,...
2 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 just by sitting...
1 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 is composed of...
1 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 Enterprise Software, RS...
1 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 your choice of...
2 3 min read

Introducing Kubelabs – An Ultimate Kubernetes101 Workshop

Yesterday I conducted Kubernetes workshop for almost 500+ audience at SAP Labs, Bengaluru (India) during Docker Bangalore Meetup #50. The workshop was targeted for...
3473 1 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, then YOLO(You Only...
1 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) back in October...
1 3 min read

Redis running inside Docker container on NVIDIA Jetson Nano

If you are looking out for a small, affordable, low-powered system which comes by default with the power of modern AI for your developers,...
1 5 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 layer or a...
5 7 min read

2019 Year in Review: The Rise of Pico, Collabnix Slack & DockerLabs

2019 was a transformational year for Collabnix. With major initiatives like DockerLabs, Pico project & Slack, the site attracted around millions of users worldwide....
2 2 min read

Kubernetes Monitoring & Best Practices Talk at Sumo Logic Bengaluru User Group

Last Friday, I was invited by Sumo Logic to talk around Kubernetes Monitoring & Best Practices. Around 200+ attendees participated for this event which...
2 58 sec 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 interests of women...
1 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, then look no...
1 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” as well as...
1 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. I showcased how...
1 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 to specify GPU...
1 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 you need to...
4 5 min read

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

There is no excerpt because this is a protected post.
0 7 min read

Unboxing 3.5” Touch Screen RPi LCD for Raspberry Pi 3 in 2 Minutes

If you have ever conducted Docker on Raspberry Pi workshop during the Meetup event, you surely understand the pain in bringing up working infrastructure....
2 1 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. Over 96% of...
2 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” state indefinitely when...
1 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 as a Guest...
2 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 Enterprise 3.0 GA...
1 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 targeted at object...
3 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 repository of container...
3 4 min read

Running Docker Containers on EC2 A1 Instances powered by Arm-Based AWS Graviton Processors

2 week back, I wrote a blog post on how Developers can now build ARM containers on Docker Desktop using docker buildx CLI Plugin....
2 5 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 for the first...
79 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 encapsulation by allowing...
1 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 Docker Swarm Mode...
2 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 exciting features which...
57 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 remains the orchestration...
2 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 because it gives...
2 5 min read

A First Look at Docker Desktop Enterprise

If you are looking out for Desktop Enterprise software solution for creating & delivering production-ready containerized applications in a simplified & secure way, Docker...
1 6 min read

5 Minutes to Kubernetes Dashboard running on Docker Desktop for Windows 2.0.0.3

If you want to get started with Kubernetes on your Laptop running Windows 10, Docker Desktop for Windows CE is the quickest way. Docker...
1 4 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 technology that can...
2 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 which is in...
2 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 of the most...
1 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 a superset of...
1 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” IP addresses, tracking...
1 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 native applications with...
1 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 first-class objects in...
1 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 delegation) and workers...
2 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. With over 3000+...
1 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 are at the...
3 25 min read

Switching Docker 18.09 Community Edition to Enterprise Engine with no downtime

  Under the newer Docker Engine 18.09 release,  a new feature called CE-EE Node Activate has been introduced. It allows a user to perform an...
1 3 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+ total sessions, exciting...
2 4 min read

How to become a DevOps Engineer?

  Who is DevOps engineer?          DevOps engineers are a group of influential individuals who encapsulates depth of knowledge and years...
68 1 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 breaking them down...
2 6 min read

Building Helm Chart for Kubernetes Cluster running on Docker Enterprise 2.0 using Docker-app 0.6.0

  Docker-app allows you to share your applications on Docker Hub directly. This tool not only makes Compose file shareable but provide us with simplified...
2 5 min read

Installing Helm to deploy Kubernetes Applications on Docker Enterprise 2.0 Made Easy

    Let’s talk about RBAC under Docker EE 2.0… Kubernetes RBAC(Role-based Access Control) security context is a fundamental part of Kubernetes security best...
2 8 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 month and is...
1 7 min read

Kubernetes Hands-on Lab #2 – Running Our First Nginx Cluster

    Nginx (pronounced “engine-x”) is an open source reverse proxy server for HTTP, HTTPS, SMTP, POP3, and IMAP protocols, as well as a...
2 1 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 blog post series...
1 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, build your images,...
1 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 using Docker containers...
1 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 connected to...
182 2 min read

Getting Started with Istio and Kubernetes | Step by Step Guide

If you’re a Developer and have been spending lot of time in developing apps recently, you already understand a whole new set of challenges...
1 1 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. Docker EE Basic...
2 3 min read

5 Minutes to Run Your First Docker Container on Google Cloud Platform using Terraform

I still remember those days(back in 2006-07′) when I started my career as IT Consultant in Telecom R&D centre where I used to administer...
2 8 min read

A First Look at Docker Application Package “docker-app”

  Did you know? There are more than 300,000 Docker Compose files on GitHub. Docker Compose is a tool for defining and running multi-container Docker...
2 7 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 of Northern California...
1 5 min read