377 Stories by Ajeet Raina
Are you looking out for Docker related Interview questions categorised into Beginners, Intermediate & Advanced Level users? If yes, then you are at the...
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...
At Dockercon 2018 this year, you can expect 2,500+ participates, 52 breakout sessions, 11 Community Theatres, 12 workshops, over 100+ total sessions, exciting...
Who is DevOps engineer? DevOps engineers are a group of influential individuals who encapsulates depth of knowledge and years...
Let’s talk about Kubernetes Deployment Challenges… As monolithic systems become too large to deal with, many enterprises are drawn to breaking them down...
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...
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...
Istio is completely an open source service mesh that layers transparently onto existing distributed applications. Istio v1.0 got announced last month and is...
Nginx (pronounced “engine-x”) is an open source reverse proxy server for HTTP, HTTPS, SMTP, POP3, and IMAP protocols, as well as a...
Are you new to Kubernetes? Want to build your career in Kubernetes? Then Welcome ! You are at the right place. This blog post series...
Let’s begin with Problem Statement ! DockerHub is a cloud-based registry service which allows you to link to code repositories, build your images,...
OpenUSM is a modern approach to Server Management, Insight Logs Analytics and Machine Learning solution integrated with monitoring & logging pipeline using Docker containers...
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...
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...
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...
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...
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...
Yet another amazzing Dockercon ! I attended Dockercon 2018 last week which happened in the most geographically blessed city of Northern California...
Docker for Mac 18.05.0 CE Release went GA last month. With this release, you can now select your orchestrator directly from the UI...
In a recent survey of 191 Top Fortune 1000 executives, 69% of them believe that conference presents a wealth of networking opportunities which...
Docker is a full development platform for creating containerized apps, and Docker for Mac is the most efficient way to start and run Docker...
Docker for Mac 18.04.0 CE Edge Release went GA early last month. This was the first time Kubernetes version 1.9.6 & Docker Compose...
Is Function a new container? Why so buzz around Serverless computing like OpenFaas? One of the biggest tech trend of 2018 has been...
Its 2018 ! Let Containers Manage Your Datacenter.. Containers are changing the dynamics of modern data center. It is a growing technology that is...
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 available. One of...
“As you grow up, make sure you have more networking opportunities than chances, and more collaborative approach than just an acquaintance. Reason ~ “Sharing...
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 Docker Compose version...
Are you new to CI/CD? Continuous Integration (CI) is a development practice that requires developers to integrate code into a shared repository several times...
Say Bye to Kubectx ! I have been a great fan of kubectx and kubectl which has been a fast way to switch between...
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, Docker Compose 1.180...
Docker For Mac 17.12 GA Release is now available for the general public. Experimental Kubernetes Support is available only on Edge Release. You can...
Docker For Mac 17.12 GA is the first release which includes both the orchestrators – Docker Swarm & Kubernetes under the same Docker platform....
“LinuxKit is NOT designed with an intention to replace any of traditional OS like Alpine, Ubuntu, Red Hat etc. It is an open-source...
Docker support for Kubernetes is now in private beta. As a docker captain, I was able to be a part of the first group...
LinuxKit GITHUB repository has already crossed 1800 commits, 3600+ stars & been forked 420+ times since April 2017 when it was open sourced by...
LinuxKit GITHUB repository recently crossed 3495 stars, forked around 410+ times and added 80+ contributors. Just 7 months old project and it has already...
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 is new plugin...
Here’s a BIG news for the entire Container Community – “Kubernetes Support is coming to Docker Platform“. What does this mean? This means that developers...
In my last blog post, I talked about how to get started with NVIDIA docker & interaction with NVIDIA GPU system. I demonstrated NVIDIA Deep...
Post Dockercon 2017 @ Austin TX, I raised a feature request titled “LinuxKit command to push vmware.vmdk to remote ESXi datastore”. Within few weeks...
It’s time to look at GPUs inside Docker container.. Docker is the leading container platform which provides both hardware and software encapsulation by allowing multiple...
Here comes the most awaited feature of 2017 – “Building Docker Swarm cluster which includes all Windows cluster, or a hybrid cluster of Linux...
By default, Docker assigns IPv4 addresses to containers. Does Docker support IPv6 protocol too? If yes, how complicated is to get it enabled? Can I...
LinuxKit GITHUB repository recently crossed 3000 stars, forked around 300+ times and added 60+ contributors. Just 5 months old project and it has already...
Let’s talk about Dockerized Elastic Stack… Elastic Stack is an open source solution that reliably and securely take data from any source, in any...
Docker For Mac 17.06 CE edition is the first Docker version built entirely on the Moby Project. In case you’re new, Moby is an...
“..Its Time to Talk about Bring Your Own Components (BYOC) now..” The Moby Project is gaining momentum day by day. If you are System...
Today I spoke at Docker Bangalore Meetup which took place in IBM India Systems Development Lab(ISL) – an R&D Division located at Manyata Embassy Business...
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 upcoming release. Few...
With around 2800+ GITHUB stars, 54 contributors, 28 external, 50+ commits per week since the DockerCon launch, LinuxKit has really gained a lot of...
Yet Another Problem Statement(YAPS)… Let us accept the fact – “Managing Docker on different Infrastructure is still difficult and not portable”. While working on...
One of the most compelling feature of LinuxKit is “Everything replaceable and customisable”. You can now build up your own customised Linux Operating System...
At Dockercon last month, Oracle released its flagship databases, middleware and developer tools into the Docker Store marketplace via the Docker Certification Program. What...
Docker 17.05.0 Final release went public exactly 2 week back.This community release was the first release as part of new Moby project. With this...
Moby has turned to be an open playground for collaborators. It has become a popular collaborative project for the container ecosystem to assemble container-based systems....
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 when we say...
In my last blog post, I showed how to get started with LinuxKit for Google Cloud Platform. LinuxKit is secure, lean and portable Linux Subsystem...
“…LinuxKit? A New Beast? What problem does it solve for us?..” In case you missed out Dockercon 2017 and have...
If you are looking out for Web UI for your private Docker Registry, I would recommend to test-drive a tool called “Portus” powered by...
Do you want to learn Docker FOR FREE OF COST? Yes, you read it correct. Thanks to a playground called “play-with-docker” – PWD in...
Docker, Inc announced initial support for volume driver plugins for the first time under Docker 1.8 release. Since then, there has been subtle changes...
Go programming language has really helped in shaping Docker as a powerful software and enabling fast development for distributed systems. It has been helping...
Apache JMeter is a popular open source software used as a load testing tool for analyzing and measuring the performance of web application or...
Are you still thinking whether or not to attend Dockercon 2017? Still finding it difficult to convince yourself or your boss/manager to allow you...
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 considered as one...
Docker Engine 1.13.1 went GA last week and introduced one of the most awaited feature called Secrets Management . With a mission to introduce...
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. Introducing Siri to...
Raspberry Pi 3 Model B is the first 64 bit version and the third generation Pi box which runs on 1.2GHz 64 bit quad-core...
Docker Engine 1.13.0 Final Release has been officially announced . With over 1050 commits, 1025 file changes and 175 days since Engine 1.12,Docker team...
With almost every new release, Docker Inc. has open sourced its vital and popular software tools to the community to join hands with all...
2016 has been a great year for Docker Inc. With the announcement of Docker 1.12 release in last Dockercon, a new generation Docker clustering...
Docker Datacenter(DDC) provides an integrated platform for developers and IT operations teams to collaborate securely on the application life cycle. It is an integrated,...
Today Enterprise IT look for a secure, scalable, out-of-the-box, elastic, portable and integrated solution platform which can span across from their highly dense data...
Carrying a slogan “Code Open, Deploy Anywhere”, {code} by DellEMC is an organization of open source engineers focused on next generation infrastructure that effectively...
Are you planning to speak or conduct your next Docker Workshop on Raspberry Pi’s? Still curious to know whether the tools like Docker Machine,...
Docker Compose has gained lots of attention in the recent past due to its easy one-liner installation(on Linux, Windows & Mac OS X), easy-to-use...
Last week I read a research paper called “Computer Immunology” written by a computer scientist Mark Burgess(Founder of CfEngine). Thanks to Solomon Hykes for...
Containers are stateless by nature and likely to be short-lived. They are quite ephemeral than VMs. What it actually means? Say, you have any...
September 26, 2016 was an important day for both Docker Inc. and Microsoft at Ignite conference in Atlanta. Two week ago, Microsoft finally unveiled...
What’s the story of Docker compose in 1.12.1 Swarm Mode? How does it integrates with the new APIs – service, node and swarm? How...
In the previous post, we talked about running Nagios container on Raspberry Pi for the first time.Nagios is a free and open source monitoring...
Why should I deploy Docker to IoT devices? What are the use cases of running containers inside the IoT device like Raspberry Pi? Is...
“Does Docker Engine 1.12 has storage discovery similar to Service Discovery and Orchestration Feature? What is the Volume/Persistent Storage story in 1.12 Swarm Mode?...
In the previous post, I showed how to get Docker 1.12.1 up and running on Raspberry Pi3 in just 5 minutes. Under 1.12.1 release,...
In our previous posts, we spent considerable amount of time deep-diving into Swarm Mode which is in-built orchestration engine in Docker 1.12 release. The...
Docker support for Raspberry Pi was introduced for the first time in 2016 with 1.12 release. . With Docker v1.12.1 release, a FIRST ARM...
In the previous blog post, we deep-dived into Service Discovery aspects of Docker. A service is now a first class citizen in Docker 1.12.0 which...
Docker 1.12 is GA now. Thanks to Docker Inc. core Team and community support for releasing it on time as promised during DockerCon 2016.In...
Prior to Docker 1.12 release, setting up Swarm cluster needed some sort of service discovery backend. There are multiple discovery backends available like hosted...
In the last Meetup (#Docker Bangalore), there has been lots of curiosity around “Desired State Reconciliation” & “Node Management” feature in case of Docker Engine...
Today Docker Inc. released Engine 1.12 Release Candidate 4 with numerous improvements and added security features. With an optional “Swarm Mode” feature rightly integrated...
“The Best way to orchestrate Docker is Docker” In our previous post, we talked about Swarm Mode’s built-in orchestration and distribution engine.Docker’s new deployment...
Docker Engine 1.12 can be rightly called ” A Next Generation Docker Clustering & Distributed System”. Though Docker Engine 1.12 Final Release is around corner but the...
Docker-Datacenter (DDC) is targeted for both developers and IT operations team. DDC provides both developers and IT operations a common option for managing containers....
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 flexibility in compute,...
The critical component for any enterprise IT, either having multiple data centers or a hybrid cloud or multiple cloud providers, is the ability to...
Docker 1.11 is two week old now. Popular for its Software Infrastructure Plumbing(SIP), Docker Inc. first focused on adoption of libnetwork, followed by Notary...
Docker’s acquisition of Tutum, a cross-cloud container management service has really paid-off. Two week back, Docker announced “Docker Cloud 1.0” – a new service...
Security issues like kernel exploits, denial-of-service attacks, container breakouts, poisoned images, compromising secrets etc. has been talked a lot in recent times for a...
User Namespace support was introduced as an experimental feature last November under Docker 1.9 version. Docker 1.10 finally brings it as a general availability...
