Docker

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
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
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 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
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
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
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
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
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
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
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

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
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
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

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
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
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

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
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
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

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
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
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
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
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
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

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
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
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
19 sec read