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