Sreenivas Makam
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Sreenivas Makam
Kubernetes CRI and Minikube
Kubernetes CRI(Container runtime interface) is introduced in experimental mode in Kubernetes 1.15 release. Kubernetes CRI introduces a common Container runtime layer that allows for Kubernetes orchestrator to work with multiple Container runtimes like Docker, Rkt, Runc, Hypernetes etc. CRI makes it easy to plug in a new Container runtime to Kubernetes. Minikube project simplifies Kubernetes … Continue reading Kubernetes CRI and Minikube
Docker 1.13 Experimental features
Docker 1.13 version got released last week. Some of the significant new features include Compose support to deploy Swarm mode services, supporting backward compatibility between Docker client and server versions, Docker system commands to manage Docker host and restructured Docker CLI. In addition to these major features, Docker introduced a bunch of experimental features in … Continue reading Docker 1.13 Experimental features
Hybrid cloud recent solutions from Microsoft and VMWare – 2 different ends of the hybrid cloud spectrum
Public clouds have grown tremendously over the last few years and there are very few companies who do not use public cloud at this point. Even traditional enterprises with in-house data centers have some presence in the public cloud. I was looking at Amazon’s re:Invent conference details and I was amazed by the number of … Continue reading Hybrid cloud recent solutions from Microsoft and VMWare – 2 different ends of the hybrid cloud spectrum
Docker in Docker and play-with-docker
For folks who want to get started with Docker, there is the initial hurdle of installing Docker. Even though Docker has made it extremely simple to install Docker on different OS like Linux, Windows and Mac, the installation step prevents folks from getting started with Docker. With Play with Docker, that problem also goes away. … Continue reading Docker in Docker and play-with-docker
Devops in Networking presentation
This link has the slides that I presented as part of lightning talk at Devops Days India, 2016. In the slides, I have tried to capture how automation in networking area is evolving. I attended first day of the conference and it had a pretty decent collection of talks in Devops area.
Vault – Use cases
This blog is a continuation of my previous blog on Vault. In the first blog, I have covered overview of Vault. In this blog, I will cover some Vault use cases that I tried out. Pre-requisites: Install and start Vault I have used Vault 0.6 version for the examples here. Vault can be used either in development … Continue reading Vault – Use cases
Vault Overview
I have always loved Hashicorp’s Devops and cloud tools. I have used Vagrant, Consul, Terraform, Packer and Atlas before and I have written about few of them in my previous blogs. Vault is Hashicorp’s tool to manage secrets securely in a central location. Secret could be database credentials, AWS access keys, Consul api key, ssh … Continue reading Vault Overview
Docker for AWS – Deployment options
In this blog, I will cover 5 different options to deploy Docker Containers in AWS infrastructure. There are pros and cons of each option and the goal in this blog is not to suggest that some options are better than others, but to highlight the suitable option for a particular use case. I have taken a … Continue reading Docker for AWS – Deployment options
AWS ECS – Docker Container service
In this blog, I will cover AWS ECS Docker Container service. ECS is an AWS product. This blog is part of my Docker for AWS series and uses the sample voting application for illustration. AWS has EC2 Container service(ECS) for folks who want to deploy Docker containers in AWS infrastructure. For basics of AWS ECS, … Continue reading AWS ECS – Docker Container service
Docker Datacenter for AWS
In this blog, I will cover Docker datacenter usage with AWS. This blog is part of my Docker for AWS series and uses the sample voting application for illustration. Docker Datacenter is Docker’s enterprise grade CaaS(Container as a service) solution where they have integrated their open source software with some proprietary software and support to make … Continue reading Docker Datacenter for AWS
Docker Cloud for AWS
In this blog, I will cover Docker cloud usage with AWS. This blog is part of my Docker for AWS series and uses the sample voting application for illustration. Docker cloud is a hosted service from Docker to manage Containers. Docker cloud is free to try for 1 private repository and node and is chargeable … Continue reading Docker Cloud for AWS
Docker for AWS beta
In this blog, I will cover “Docker for AWS” beta service launched by Docker. This blog is part of my Docker for AWS series and uses the sample voting application for illustration. As part of Docker 1.12 announcement, Docker released AWS Docker integration as beta software. With this software, Docker is trying to simplify AWS … Continue reading Docker for AWS beta
Docker-machine for AWS
In this blog, I will use docker-machine to deploy and manage Containers in AWS cloud. This blog is part of my Docker for AWS series and uses the sample voting application for illustration. Docker-machine has EC2 driver for creating a Docker node out of AWS. Docker node in this context means a AWS VM instance with … Continue reading Docker-machine for AWS
Service Discovery and Load balancing Internals in Docker 1.12
Docker 1.12 release has revamped its support for Service Discovery and Load balancing. Prior to 1.12 release, support for Service discovery and Load balancing was pretty primitive in Docker. In this blog, I have covered the internals of Service Discovery and Load balancing in Docker release 1.12. I will cover DNS based load balancing, VIP … Continue reading Service Discovery and Load balancing Internals in Docker 1.12
Comparing Swarm, Swarmkit and Swarm Mode
One of the big features in Docker 1.12 release is Swarm mode. Docker had Swarm available for Container orchestration from 1.6 release. Docker released Swarmkit as an opensource project for orchestrating distributed systems few weeks before Docker 1.12(RC) release. I had some confusion between these three projects. In this blog, I have tried to put … Continue reading Comparing Swarm, Swarmkit and Swarm Mode
Docker Security presentation at Bangalore meetup
This link captures the slides on “Docker Security Overview as of release 1.12” that I presented at Docker Meetup, Bangalore on July 9, 2016.
Mesos DC/OS Hands-On
In this blog, I will cover some of the hands-on stuff that I tried with Opensource DC/OS. I created DC/OS cluster using Vagrant and deployed multi-instance nginx webserver using Marathon. For Mesos FAQ, please refer to my previous blog. I followed the instructions here to create DC/OS Vagrant cluster. Pre-requisites I tried DC/OS Vagrant cluster … Continue reading Mesos DC/OS Hands-On
Mesos and Mesosphere – FAQ
The most popular Container Orchestration solutions available in the market are Kubernetes, Swarm and Mesos. I have used Kubernetes and Swarm, but never got a chance to use Mesos or DC/OS. There were a bunch of questions I had about Mesos and DC/OS and I never got the time to explore that. Recently, I saw the … Continue reading Mesos and Mesosphere – FAQ
Looking inside Container Images
This blog is a continuation of my previous blog on Container standards. In this blog, we will look inside a Container image to understand the filesystem and manifest files that describes the Container. We will cover Container images in Docker, APPC and OCI formats. As mentioned in previous blog, these Container images will converge into … Continue reading Looking inside Container Images
Container Standards
In this blog, I will cover some of the standardization effort that is happening in the Containers area. I will cover some history, current status and also mention how the future looks like. In the next blog, we will look inside ACI and OCI Container images. Container Standards Lot of developments in Container area are done … Continue reading Container Standards