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Solving Scalability and Management Woes: Integrating CrewAI with an MCP Server

Imagine you’ve built a slick AI workflow with CrewAI—say, a team of agents that scrape job postings, craft tailored...
Adesoji Alu
Apr 11, 2025 5 min read

Master Terraform: Your Essential Toolbox for a Clean, Secure, and Scalable Infrastructure

Terraform is an open-source Infrastructure as Code (IaC) tool from HashiCorp that allows you to define and provision infrastructure...
Adesoji Alu
Apr 5, 2025 6 min read

Tesla Model 3 Report: An In-Depth Analysis by CrewAI Maintenance Specialist Agent

The Tesla Model 3 is a battery electric powered mid-size sedan with a fastback body style built by Tesla,...
Adesoji Alu
Apr 5, 2025 6 min read

Docker Model Runner: The Missing Piece for Your GenAI Development Workflow

Ever tried building a GenAI application and hit a wall? 🧱 I know I have. You start with excitement...
Ajeet Raina
Apr 4, 2025 6 min read

Integration of LangGraph, MCP (Model Context Protocol), and Ollama to create a powerful agentic AI chatbot

Hi guys, let’s dive into the world of building brainy chatbots! You know, the ones that can actually do...
Adesoji Alu
Apr 15, 2025 8 min read

Simulating Attacks to Maximize the Security of Your Apps and Assets

Security is no longer a checkpoint at the end of development. It’s an integral part of delivering reliable and...
Tanvir Kour
Apr 15, 2025 3 min read

From Security Expert to Entrepreneur: A Roadmap for Starting Your Cybersecurity Business

So you’ve spent years hardening systems, chasing down threats, and putting out digital fires for companies. Now, you’re considering...
Tanvir Kour
Apr 15, 2025 3 min read

The Best Android FRP Bypass Tool Is Here: All You Need to Know

You’re searching the internet for what to do when your Android phone is stuck at Verify Your Account screen....
Tanvir Kour
Apr 14, 2025 3 min read

All Stories

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
Oct 4, 2020 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
Sep 28, 2020 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
Sep 25, 2020 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...
Ajeet Raina
Sep 11, 2020 4 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
Sep 9, 2020 6 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...
Ajeet Raina
Sep 4, 2020 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...
Ajeet Raina
Sep 2, 2020 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
Aug 25, 2020 4 min read

From 1 to 9000: 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...
Ajeet Raina
Aug 16, 2020 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...
Ajeet Raina
Aug 14, 2020 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...
Ajeet Raina
Jul 10, 2020 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...
Ajeet Raina
Jun 24, 2020 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
Jun 9, 2020 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
May 30, 2020 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...
Ajeet Raina
May 21, 2020 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...
Ajeet Raina
May 13, 2020 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
May 9, 2020 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
Mar 29, 2020 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
Feb 9, 2020 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
Feb 9, 2020 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
Feb 7, 2020 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
Feb 2, 2020 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
Jan 31, 2020 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...
Ajeet Raina
Jan 19, 2020 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,...
Ajeet Raina
Jan 10, 2020 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
Jan 5, 2020 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...
Ajeet Raina
Jan 1, 2020 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...
Ajeet Raina
Dec 29, 2019 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...
Ajeet Raina
Dec 27, 2019 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...
Ajeet Raina
Dec 15, 2019 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...
Ajeet Raina
Nov 27, 2019 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
Oct 8, 2019 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
Oct 7, 2019 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
Sep 26, 2019 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
Sep 18, 2019 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
Aug 26, 2019 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.
Ajeet Raina
Aug 15, 2019 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...
Ajeet Raina
Aug 11, 2019 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....
Ajeet Raina
Aug 6, 2019 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
Aug 4, 2019 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
Jul 3, 2019 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
Jun 5, 2019 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
May 25, 2019 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
May 25, 2019 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...
Ajeet Raina
May 20, 2019 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...
Ajeet Raina
May 11, 2019 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
May 8, 2019 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
Apr 17, 2019 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
Apr 13, 2019 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
Apr 5, 2019 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
Apr 2, 2019 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 &...
Ajeet Raina
Mar 23, 2019 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...
Ajeet Raina
Mar 9, 2019 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...
Ajeet Raina
Mar 9, 2019 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
Mar 3, 2019 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
Mar 2, 2019 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
Feb 5, 2019 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
Jan 27, 2019 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
Jan 21, 2019 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
Jan 12, 2019 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
Dec 20, 2018 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
Dec 10, 2018 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
Dec 8, 2018 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...
Ajeet Raina
Nov 25, 2018 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+...
Ajeet Raina
Nov 6, 2018 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...
Ajeet Raina
Nov 5, 2018 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...
Ajeet Raina
Nov 2, 2018 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...
Ajeet Raina
Oct 16, 2018 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...
Ajeet Raina
Oct 12, 2018 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...
Ajeet Raina
Oct 2, 2018 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...
Ajeet Raina
Oct 2, 2018 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...
Ajeet Raina
Oct 2, 2018 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
Oct 1, 2018 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
Sep 22, 2018 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
Sep 5, 2018 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...
Ajeet Raina
Aug 31, 2018 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....
Ajeet Raina
Aug 9, 2018 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...
Ajeet Raina
Jul 21, 2018 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...
Ajeet Raina
Jun 30, 2018 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...
Ajeet Raina
Jun 23, 2018 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
Jun 3, 2018 7 min read

How to Get the Most Out of Dockercon 2018 – (June 12 – 15th, SF)

  In a recent survey of 191 Top Fortune 1000 executives, 69% of them believe that conference presents a wealth of...
Ajeet Raina
May 13, 2018 5 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
May 7, 2018 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
May 1, 2018 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
Apr 27, 2018 6 min read

Introducing OpenUSM – Simplifying Server Management & Insight Log Analytics using Docker containers

Its 2018 ! Let Containers Manage Your Datacenter.. Containers are changing the dynamics of modern data center. It is a growing...
Ajeet Raina
Apr 15, 2018 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
Apr 2, 2018 5 min read

Docker’s Birthday Celebration in Bangalore – The Fifth Kind

“As you grow up, make sure you have more networking opportunities than chances, and more collaborative approach than just an acquaintance....
Ajeet Raina
Apr 1, 2018 2 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
Apr 1, 2018 4 min read

Test-Drive Continuous Integration Pipeline using Docker, Jenkins & GitHub under $0

Are you new to CI/CD? Continuous Integration (CI) is a development practice that requires developers to integrate code into a shared...
Ajeet Raina
Mar 3, 2018 3 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
Feb 2, 2018 5 min read

2-minutes to Kubernetes Cluster on Docker for Mac 18.01 using Swarm CLI

Docker for Mac 18.01.0 CE is available for the general public. It holds experimental Kubernetes release running on Linux Kernel 4.9.75,...
Ajeet Raina
Jan 21, 2018 1 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
Jan 15, 2018 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
Dec 19, 2017 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
Dec 17, 2017 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
Dec 15, 2017 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
Dec 5, 2017 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
Nov 14, 2017 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
Nov 4, 2017 4 min read

Getting Started with Multi-Node Kubernetes Cluster using LinuxKit

Here’s a BIG news for the entire Container Community – “Kubernetes Support is coming to Docker Platform“. What does this mean? This...
Ajeet Raina
Oct 22, 2017 2 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
Sep 16, 2017 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
Sep 2, 2017 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
Aug 25, 2017 5 min read

Hybrid Docker Swarm Mode Cluster with Multi-OS Application Deployment

Here comes the most awaited feature of 2017 – “Building Docker Swarm cluster which includes all Windows cluster, or a hybrid...
Ajeet Raina
Aug 16, 2017 3 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
Aug 5, 2017 3 min read

Building a Secure VM based on LinuxKit on Microsoft Azure Platform

LinuxKit GITHUB repository recently crossed 3000 stars, forked around 300+ times and added 60+ contributors. Just 5 months old project and...
Ajeet Raina
Jul 30, 2017 2 min read

Test Drive Elastic stack on PWD platform running Docker 17.06 CE Swarm Mode in 5 minutes

Let’s talk about Dockerized Elastic Stack… Elastic Stack is an open source solution that reliably and securely take data from any...
Ajeet Raina
Jul 22, 2017 3 min read

Building Docker For Mac 17.06 Community Edition using Moby & LinuxKit

Docker For Mac 17.06 CE edition is the first Docker version built entirely on the Moby Project. In case you’re new,...
Ajeet Raina
Jul 13, 2017 3 min read

Walkthrough: How to build your own customised LinuxKit kernel?

  “..Its Time to Talk about Bring Your Own Components (BYOC) now..” The Moby Project  is gaining momentum day by day. If...
Ajeet Raina
Jul 9, 2017 3 min read

Talking about Moby & LinuxKit Awesomeness at Docker Bangalore Meetup

Today  I spoke at Docker Bangalore Meetup which took place in IBM India Systems Development Lab(ISL) – an R&D Division located at...
Ajeet Raina
Jul 1, 2017 2 min read

Docker 17.06 Swarm Mode: Now with built-in MacVLAN & Node-Local Networks support

Docker 17.06.0-ce-RC5 got announced 5 days back and is available for testing. It brings numerous new features & enablements under this new...
Ajeet Raina
Jun 26, 2017 4 min read

Running LinuxKit on AWS Platform made easy

With around 2800+ GITHUB stars, 54 contributors,  28 external, 50+ commits per week since the DockerCon launch, LinuxKit has really gained...
Ajeet Raina
Jun 18, 2017 2 min read

Why Infrakit & LinuxKit are better together for Building Immutable Infrastructure?

Yet Another Problem Statement(YAPS)… Let us accept the fact – “Managing Docker on different Infrastructure is still difficult and not portable”....
Ajeet Raina
Jun 11, 2017 4 min read

A Quick Look at LinuxKit Packaging System

One of the most compelling feature of LinuxKit is “Everything replaceable and customisable”. You can now build up your own customised...
Ajeet Raina
Jun 3, 2017 5 min read

Test Drive Multitenant Feature with Oracle 12C Enterprise Edition Docker Store Image

At Dockercon last month, Oracle released  its flagship databases, middleware and developer tools into the Docker Store marketplace via the Docker...
Ajeet Raina
May 29, 2017 3 min read

Topology Aware Scheduling under Docker v17.05.0 Swarm Mode Cluster

  Docker 17.05.0 Final release went public exactly 2 week back.This community release was the first release as part of new Moby...
Ajeet Raina
May 18, 2017 4 min read

When Moby Meet Kubernetes for the first time

Moby has turned to be an open playground for collaborators. It has become a popular collaborative project for the container ecosystem to...
Ajeet Raina
May 11, 2017 3 min read

Demystifying the Relationship Between Moby & Docker

Why https://github.com/docker/docker been redirected to moby/moby?  Why Docker created the Moby project? Is Docker renamed to Moby? What it actually mean...
Ajeet Raina
May 6, 2017 3 min read

Test-Drive LinuxKit OS on Oracle VirtualBox running on macOS Sierra

In my last blog post, I showed how to get started with LinuxKit for Google Cloud Platform. LinuxKit is secure, lean and...
Ajeet Raina
May 1, 2017 2 min read

LinuxKit 101: Getting Started with LinuxKit for Google Cloud Platform

  “…LinuxKit? A New Beast?      What problem does it solve for us?..”   In case you missed out Dockercon...
Ajeet Raina
Apr 26, 2017 4 min read

Building Web Frontend/UI for Local Docker Registry using SUSE Portus

If you are looking out for Web UI for your private Docker Registry, I would recommend to test-drive a tool called...
Ajeet Raina
Apr 9, 2017 2 min read

Test Drive 5 Cool Docker Application Stacks on play-with-docker (PWD) platform

Do you want to learn Docker FOR FREE OF COST? Yes, you read it correct. Thanks to a playground called “play-with-docker”...
Ajeet Raina
Apr 2, 2017 4 min read

What’s New in Docker 17.03 Volume Plugin Architecture & Specification?

Docker, Inc announced initial support for volume driver plugins for the first time under Docker 1.8 release. Since then, there has...
Ajeet Raina
Mar 28, 2017 1 min read

Docker Service Inspection Filtering & Template Engine under Swarm Mode

Go programming language has really helped in shaping Docker as a powerful software and enabling fast development for distributed systems. It...
Ajeet Raina
Mar 20, 2017 2 min read

Running Apache JMeter 3.1 Distributed Load Testing Tool using Docker Compose v3.1 on Swarm Mode Cluster

Apache JMeter is a popular open source software used as a load testing tool for analyzing and measuring the performance of...
Ajeet Raina
Mar 18, 2017 4 min read

Dockercon 2017 surely gonna be EPIC | Top Sessions Which You Can’t Miss to Attend This Year..

Are you still thinking whether or not to attend Dockercon 2017? Still finding it difficult to convince yourself or your boss/manager...
Ajeet Raina
Mar 13, 2017 2 min read

Introducing new RexRay 0.8 with Docker 17.03 Managed Plugin System for Persistent Storage on Cloud Platforms

DellEMC Rex-Ray 0.8 Final Release was announced last week. Graduated as top-level project within {code} community, RexRay 0.8 release has been...
Ajeet Raina
Mar 5, 2017 2 min read

Docker Compose v3.1 file format now supports Docker 1.13.1 Secret Management

Docker Engine 1.13.1 went GA last week and introduced one of the most awaited feature called Secrets Management . With a...
Ajeet Raina
Feb 15, 2017 2 min read

Docker For Mac 1.13.0 brings support for macOS Sierra, now runs ARM & AARCH64 based Docker containers

Recently I purchased a brand new slim 13.3 inch Apple Mac Book  Air with an amazing 1.6GHz dual-core Intel Core i5 processor....
Ajeet Raina
Jan 29, 2017 3 min read

Test-Drive Docker 1.12 on first 64-bit ARM OpenSUSE running on Raspberry Pi 3

Raspberry Pi 3 Model B is the first 64 bit version and the third generation Pi box which runs on 1.2GHz...
Ajeet Raina
Jan 13, 2017 3 min read

What’s New in Docker Engine 1.13 Swarm Mode?

Docker Engine 1.13.0 Final Release has been officially announced . With over 1050 commits, 1025 file changes and 175 days since...
Ajeet Raina
Jan 8, 2017 7 min read

Key Takeaways from Docker “Containerd ~ A Core Container Runtime Project” Announcement

With almost every new release, Docker Inc. has open sourced its vital and popular software tools to the community to join...
Ajeet Raina
Jan 3, 2017 3 min read

The 20-minutes Docker 1.12 Swarm Mode demonstration on Azure Platform

2016 has been a great year for Docker Inc. With the announcement of Docker 1.12 release in last Dockercon, a new...
Ajeet Raina
Dec 26, 2016 10 min read

Top 10 Cool New Features in Docker Datacenter for Dev & IT Operations Team

Docker Datacenter(DDC) provides an integrated platform for developers and IT operations teams to collaborate securely on the application life cycle. It...
Ajeet Raina
Dec 17, 2016 3 min read

Walkthrough: Building distributed Docker persistent storage platform for Microservices using DellEMC RexRay & ScaleIO

Today Enterprise IT look for a secure, scalable, out-of-the-box, elastic, portable and integrated solution platform which can span across from their...
Ajeet Raina
Dec 9, 2016 5 min read

I’m thrilled ! I’m a {code} Catalyst !

Carrying a slogan “Code Open, Deploy Anywhere”, {code} by DellEMC is an organization of open source engineers focused on next generation...
Ajeet Raina
Dec 6, 2016 1 min read

Assessing the current state of Docker Engine & Tools on Raspberry Pi

Are you planning to speak or conduct your next Docker Workshop on Raspberry Pi’s? Still curious to know whether the tools...
Ajeet Raina
Nov 14, 2016 4 min read

What’s new upcoming in Docker Compose v1.9.0?

Docker Compose has gained lots of attention in the recent past due to its easy one-liner installation(on Linux, Windows & Mac...
Ajeet Raina
Nov 12, 2016 2 min read

Test-Drive Docker “Infrakit” using Docker container

Last week I read a research paper called “Computer Immunology” written by a computer scientist Mark Burgess(Founder of CfEngine). Thanks to...
Ajeet Raina
Oct 23, 2016 4 min read

Docker 1.12 Swarm Mode & Persistent Storage using NFS

Containers are stateless by nature and likely to be short-lived. They are quite ephemeral than VMs. What it actually means? Say,...
Ajeet Raina
Oct 11, 2016 4 min read

A Comparative Study of Docker Engine on Windows Server Vs Linux Platform

September 26, 2016 was an important day for both Docker Inc. and Microsoft at Ignite conference in Atlanta. Two week ago,...
Ajeet Raina
Oct 11, 2016 5 min read

What’s the story of Docker Compose under Docker 1.12.1 “Swarm Mode”?

What’s the story of Docker compose in 1.12.1 Swarm Mode? How does it integrates with the new APIs – service, node...
Ajeet Raina
Sep 30, 2016 3 min read

Running Prometheus Docker container for monitoring Microservices on Raspberry Pi

In the previous post, we talked about running Nagios container on Raspberry Pi for the first time.Nagios is a free and...
Ajeet Raina
Sep 24, 2016 3 min read

Turn Your Raspberry Pi into Out-of-band Monitoring Device using Docker

Why should I deploy Docker to IoT devices? What are the use cases of running containers inside the IoT device like...
Ajeet Raina
Sep 22, 2016 3 min read

Docker 1.12.1 Swarm Mode & Persistent Storage with DellEMC RexRay on AWS Platform

“Does Docker Engine 1.12 has storage discovery similar to Service Discovery and Orchestration Feature? What is the Volume/Persistent Storage story in...
Ajeet Raina
Sep 14, 2016 5 min read

Building the first CentOS 7.2 ARM docker image on Raspberry Pi 3

In the previous post, I showed how to get Docker 1.12.1 up and running on Raspberry Pi3 in just 5 minutes....
Ajeet Raina
Sep 9, 2016 2 min read

What’s new in Docker 1.12 Scheduling? – Part-I

In our previous posts, we spent considerable amount of time deep-diving into Swarm Mode which is in-built orchestration engine in Docker...
Ajeet Raina
Sep 3, 2016 4 min read

Running Docker on Raspberry Pi in 5 minutes

Docker support for Raspberry Pi was introduced for the first time in 2016 with 1.12 release. . With Docker v1.12.1 release,...
Ajeet Raina
Aug 23, 2016 1 min read

What’s new in Docker 1.12.0 Load-Balancing feature?

In the previous blog post, we deep-dived into Service Discovery aspects of Docker. A service is now a first class citizen in...
Ajeet Raina
Aug 11, 2016 5 min read

Demonstrating Docker 1.12 Service Discovery with Docker Compose

Docker 1.12 is GA now. Thanks to Docker Inc. core Team and community support for releasing it on time as promised...
Ajeet Raina
Jul 30, 2016 1 min read

Demystifying Service Discovery under Docker Engine 1.12.0

Prior to Docker 1.12 release, setting up Swarm cluster needed some sort of service discovery backend. There are multiple discovery backends...
Ajeet Raina
Jul 27, 2016 4 min read

Understanding Node Failure Handling under Docker 1.12 Swarm Mode

In the last Meetup (#Docker Bangalore), there has been lots of curiosity around “Desired State Reconciliation” & “Node Management” feature in case...
Ajeet Raina
Jul 15, 2016 3 min read

Docker 1.12 Swarm Mode – Under the hood

Today Docker Inc. released Engine 1.12 Release Candidate 4 with numerous improvements and added security features. With an optional “Swarm Mode”...
Ajeet Raina
Jul 14, 2016 3 min read

Docker 1.12 Networking Model Overview

“The Best way to orchestrate Docker is Docker” In our previous post, we talked about Swarm Mode’s built-in orchestration and distribution...
Ajeet Raina
Jun 29, 2016 5 min read

Docker Engine 1.12 comes with built-in Distribution & Orchestration System

Docker Engine 1.12 can be rightly called ” A Next Generation Docker Clustering & Distributed System”. Though Docker Engine 1.12 Final Release is...
Ajeet Raina
Jun 20, 2016 3 min read

Building Microservice applications on Docker-Datacenter (DDC) using Docker Compose

Docker-Datacenter (DDC) is targeted for both developers and IT operations team. DDC provides both developers and IT operations a common option...
Ajeet Raina
Jun 4, 2016 1 min read

Implementing Multi-Host Docker Networking with Docker-Datacenter (DDC)

In our previous post, we looked at detailed implementation of Docker-Datacenter-In-A-Box (Container-as-a-Service) on VMware ESXi platform. DDC pluggable architecture and open APIs allows...
Ajeet Raina
May 24, 2016 2 min read

Implementing Docker-Datacenter-In-A-Box (Container-as-a-Service) on VMware ESXi platform

The critical component for any enterprise IT, either having multiple data centers or a hybrid cloud or multiple cloud providers, is...
Ajeet Raina
May 17, 2016 4 min read

New Docker Engine 1.11 integrates runC and containerd

Docker 1.11 is two week old now. Popular for its Software Infrastructure Plumbing(SIP), Docker Inc. first focused on adoption of libnetwork,...
Ajeet Raina
Apr 25, 2016 4 min read

Integrating AWS and Docker Cloud 1.0 ~ A Multicloud Application Delivery Service

Docker’s acquisition of Tutum, a cross-cloud container management service has really paid-off. Two week back, Docker announced “Docker Cloud 1.0” –...
Ajeet Raina
Mar 13, 2016 5 min read

New Docker Engine 1.10 brings Enterprise-level security hardening – Secure Computing

Security issues like kernel exploits,  denial-of-service attacks, container breakouts, poisoned images, compromising secrets etc. has been talked a lot in recent...
Ajeet Raina
Feb 28, 2016 6 min read

New Docker Engine 1.10 brings Enterprise-level Security Hardening – User Namespace

User Namespace support was introduced as an experimental feature last November under Docker 1.9 version. Docker 1.10 finally brings it as...
Ajeet Raina
Feb 23, 2016 3 min read

Getting MariaDB Up and Running

RHEL 7 comes with MariaDB by default. Don’t get surprised if you don’t see MySQL server specific packages being displayed through...
Ajeet Raina
Jan 15, 2016 3 min read

Running Docker on Linux Kernel 2.6.x

Installing Docker on Linux Kernel 2.6.x is quite unstable. Docker Inc. recommends using Linux Kernel 3.x.x to have smooth Docker functionality....
Ajeet Raina
Jan 15, 2016 1 min read

Getting Started with Docker Swarm

Docker Swarm is 1 year old now. Docker Inc. during DockerConEU, December 2014 made the announcement of Docker Swarm. A Docker...
Ajeet Raina
Jan 2, 2016 4 min read

Adding new Host to Docker Swarm & Universal Control Plane through Docker Machine

In our previous post, we spent considerable time in understanding what is Universal Control Plane(UCP) and how to add hosts to...
Ajeet Raina
Dec 25, 2015 37 sec read

Setting up Docker Hosts on Google Compute Engine using Docker Machine

Docker Machine enables a simplified approach to set up Docker hosts on supported platforms, including Linux, Windows, OS X, and various...
Ajeet Raina
Dec 23, 2015 1 min read

Docker Container Management using Universal Control Plane

Docker recently announced Universal Control Plane (UCP) beta availability to the public. This tool delivers Enterprise-ready capabilities and is meant to...
Ajeet Raina
Dec 22, 2015 4 min read

How to reconstruct Parted Magic ISO through adding packages from Slackware

Parted Magic is a complete hard disk management solution.Parted Magic is a small live CD/USB/PXE with its elemental purpose being to...
Ajeet Raina
Dec 15, 2015 3 min read

Automating Hyper-V VM deployment & configuration through PowerShell

I am not Microsoft guy but recently I have been asked by my colleague to assist him in automating Hyper-V VM...
Ajeet Raina
Dec 15, 2015 2 min read

Building Docker-Ready Virtual Infrastructure through Docker Machine

“Is VM passe?” ~ this is an important debate ongoing around the globe among the CEOs, CFOs and CIOs. Most of...
Ajeet Raina
Dec 13, 2015 3 min read

New Container Network Model @ Docker 1.9

Docker 1.9 new networking is Software Defined Networking (SDN) for containers. Pushing the experimental version to the public was a right...
Ajeet Raina
Nov 14, 2015 10 min read

Understanding Docker Networking – Part-I

This is a tutorial series for understanding how Docker Networking really works. I have tried to put it in very simple...
Ajeet Raina
Nov 1, 2015 9 min read

How to build .DEB packages through Docker

Building .DEB package is still a daunting process. It involves a series of compiling, linking and building the source packages. Compiling...
Ajeet Raina
Oct 31, 2015 1 min read

The Anatomy of Docker Containers

You must be curious about what goes in and out of the running Docker containers. Debugging a normal Linux system processes...
Ajeet Raina
Oct 17, 2015 6 min read

A Docker Deployment Workflow

Docker is an amazing technology and it just simplifies both workflows and communication. Traditionally, the cycle of getting an application from...
Ajeet Raina
Oct 15, 2015 1 min read

Getting access to Docker Formatted Container Images on Red Hat Systems

Just like Docker, Amazon and Red Hat too announced the availability of Docker formatted container images. This is purely an effort...
Ajeet Raina
Oct 13, 2015 2 min read

How to get rid of Docker images with no repository?

I had dozens of Docker containers and images running on my host machine. I played around those images for my internal...
Ajeet Raina
Oct 11, 2015 1 min read

Run Dell SYSCFG inside a Docker Container

Docker is all about application. It doesn’t need BIOS, NIC and firmware to run any application. But its gives you flexibility...
Ajeet Raina
Oct 10, 2015 1 min read

Running Docker Private Registry server Frontend UI

Are you planning to setup own Docker private registry in your lab? Are you planning to bring all the in-house developers...
Ajeet Raina
Sep 20, 2015 1 min read

How to setup Mediawiki in seconds using Docker?

I still follow the same old traditional mediawiki software to track the roadmap, knowledge base articles, latest and updates for Linux...
Ajeet Raina
Sep 13, 2015 2 min read

Running Docker containers on Windows

Are you a Microsoft enthusiast? Do you want to try running containers on Windows platform? Then you have at the right...
Ajeet Raina
Aug 1, 2015 41 sec read

Highlights from the Dockercon 2015

Last month at San Francisco @ Dockercon15, there were numerous exciting announcement which includes runtime container called runC, Docker network, Docker...
Ajeet Raina
Jul 26, 2015 1 min read

How to access Docker namespace?

It is never recommended to install openssh-server on the container for just mere shell access. It is always suggested to keep your...
Ajeet Raina
May 27, 2015 1 min read

How to Link multiple Docker containers together?

Today we are going to look at an interesting concept of linking containers. In our previous post, we pulled LAMP which...
Ajeet Raina
May 21, 2015 12 min read

Setting up LAMP stack in a Docker container

Yesterday evening I decided to spend time on setting up LAMP( Linux, Apache, MySQL and PHP) stack inside a docker container....
Ajeet Raina
May 19, 2015 1 min read

How to push Docker Image to Docker Hub Registry?

This is step by step guide on how to push Docker Image to Docker Hub registry. To get started with this...
Ajeet Raina
May 19, 2015 3 min read

Automate the Bare Metal Provisioning Process through Puppet Razor

This blog post describes how to automate the bare metal provisioning of physical and virtual machines through Razor. Razor is an...
Ajeet Raina
May 18, 2015 5 min read

Getting Started with Docker – Part-II

In my previous blog post we talked about how to pull images, create containers, start and stop the containers, today we are...
Ajeet Raina
May 15, 2015 4 min read

Getting Started with Docker – Part-1

This is a step by step guide for getting started with Docker. This guide starts with a fresh CentOS 7.0 host...
Ajeet Raina
May 15, 2015 4 min read

Running Hadoop over Lustre

This blog post describes how to run Apache Hadoop over the open source distributed parallel file system like Lustre. Hadoop is...
Ajeet Raina
May 14, 2015 4 min read

Running Puppet on Solaris

Few months back I tried setting up Puppet on Solaris platform. Puppetlabs provides bits for Puppet Enterprise software for Solaris in...
Ajeet Raina
May 11, 2015 1 min read

A Dirty Guide to iPerf

By default, the Iperf client connects to the Iperf server on the TCP port 5001 and the bandwidth displayed by Iperf...
Ajeet Raina
May 11, 2015 6 min read

Setting up OpenStack Juno with 1 controller and compute node

Here is a helpful script which just setup 1 OpenStack Juno controller and 1 compute node in an easy way: File:...
Ajeet Raina
May 11, 2015 6 min read

Orchestrating Docker using Puppet

Dockers containers are revolutionizing the cloud computing world, spreading everywhere and powering developers world-wide to automate deployment of applications as a...
Ajeet Raina
May 11, 2015 4 min read

How to change Docker Image Installation Directory?

Are you running out of space while creating more and more containers? Here is a guide to change the default docker...
Ajeet Raina
May 9, 2015 2 min read

Error: /usr/bin/docker: relocation error

Are you getting the below error while starting with the fresh docker installation on CentOS 7.0? /usr/bin/docker: relocation error: /usr/bin/docker: symbol...
Ajeet Raina
May 7, 2015 22 sec read

How to find dormant users on your Linux Box?

Want to know the inactive users on your Linux machine who have not been using the machine since long time? The...
Ajeet Raina
Apr 18, 2015 1 min read

How to enable Docker behind the firewall?

Are you working in restricted corporate environment? Are you looking for how to run Docker behind the firewall.You can always specify...
Ajeet Raina
Apr 10, 2015 19 sec read

Restrict maximum simultaneous logins on Linux

Want to restrict simultaneous number of logins attempt on Linux machine? Here is the quick way of doing it. 1. Edit...
Ajeet Raina
Apr 3, 2015 1 min read
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