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Search results for: containers

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
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
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
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
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
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
5 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
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
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
3 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
4 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
4 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
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
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
2 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
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
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
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
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
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
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
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
4 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
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
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
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
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
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
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
5 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
4 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
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
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
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
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
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
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
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
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
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
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
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
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
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
3 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
4 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
4 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
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
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
9 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
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
2 min 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
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
1 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
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
3 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
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
4 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
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
2 min read

Understanding Docker Container Architecture

What is Docker? Docker is a lightweight containerization technology that has gained widespread popularity in recent years. What does Docker uses?...
Ajeet Raina
2 min read
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