Roshan Sequeira

Sr Consultant at Appistry, Inc

Roshan has been active in the Cloud Computing arena for a few years now. Roshan is involved in distributed and cloud computing primarily as IT architect guiding clients setup private clouds, transform data centers into virtualized cloud environments, and develop/migrate applications to public and private clouds. Aside from this Roshan develop tools and utilities using OSS for the community to make cloud adoption easy.

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Article: Configuring the Eucalyptus Private Cloud to Resemble the Amazon EC2 Cloud
In our series of posts around "Building & Running a private cloud", our previous post covered "Setting up a private cloud using Eucalyptus". Continuing this series, in this post we look at configuring Eucalyptus to enable features such as security groups, private virtual LANs, and elastic IP addressing - features offered in the Amazon EC2 cloud.


Article: Eucalyptus: Getting Started With Building a Private Infrastructure Cloud
Infrastructure virtualization is one of the key components of Cloud Computing. And software such as Eucalyptus and OpenNebula provide the architecture and components necessary to harness this technology and make virtualization and hence cloud computing easy. In a series of posts around running a private cloud in your datacenter, this post details steps to installing and running the Eucalyptus Infrastructure-as-a-Service platform.


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  • Eucalyptus: Creating and Registering our first Image
  • June 22 2010
    In our previous posts on “Building an on-premise private cloud”, we took our first steps by Installing Eucalyptus, a IaaS offering and then dove into Configuring Eucalyptus to look like an Amazon EC2 cloud. In this post, we will take the next step and that is uploading (to Walrus) and registering a machine image (EMI) with [...] ...
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  • Eucalyptus: Euca2ools
  • June 17 2010
    In this series of posts on “Building an on-premise private cloud” we have so far: Installed Eucalyptus, an Infrastructure-as-a-Service offering, and Configured Eucalyptus to start VMs with IP addresses from a private VLAN Before we jump into bundling, uploading, and registering images, let’s first download and install Euca2ools. Euca2ools Euca2ools are command-line utilities to help: Manage Images (bundle, upload, registe ...
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  • Eucalyptus: Configuring your private cloud to resemble Amazon EC2
  • May 26 2010
    You can reduce your hardware infrastructure expenditure by using Eucalyptus to efficiently run and manage your virtual machines on existing hardware. This in turn effectively leads to larger energy savings – less physical machines equals less power needed to run the hardware. In my previous post on setting up a private cloud, we looked at [...] ...
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  • Eucalyptus: Setting up a private infrastructure cloud
  • May 19 2010
    There are a few Infrastructure-as-a-Service offerings that available to download and use. Eucalyptus and OpenNebula are two such offerings. I ended up installing and experimenting with both Eucalyptus and OpenNebula. In this blog post, I’ll detail my experience of installing and setting up Eucalyptus 1.6.2 on CentOS. For the sake of keeping things simple but still [...] ...
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  • Appistry CloudIQ Maven plugin: Update fabric / far version
  • May 11 2010
    Ever since Appistry CloudIQ Maven plugin has been open-sourced on Google code, enhancements and features are being added regularly. A recent feature that was added was the update fabric/far version goal. Update fabric/far versionThe update fabric/far version goal of the Appistry CloudIQ Maven plugin automates the version update of the fabric/far artifact and integrates this process [...] ...
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  • Appistry CloudIQ: Java bindings for CloudIQ APIs
  • April 26 2010
    For some time now there has been a whole flurry of development around Java bindings for CloudIQ APIs. We have also been using it on internal and client projects quite successfully. While we know there is a lot of work that still needs to be done, we figured we would share this with the community [...] ...
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  • Appistry CloudIQ Maven plugin: Birth and moving forward
  • April 21 2010
    I finally added some wiki pages around maven-cloudiq-plugin. And I will be continually adding to the wiki in the days to come. But I thought I would take a moment to give some background on the plugin and describe some of the goals. Origins… maven-cloudiq-plugin currently started off as a simple way to integrate the creation of [...] ...
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  • Appistry CloudIQ Maven plugin on Google Code
  • April 20 2010
    I finally decided to bite the bullet and publish the work-in-progress maven-cloudiq-plugin code to Google code. Google Code and Mercurial While I did not spend a ton of time evaluating a public project hosting provider, some of key things I was looking for in a project hosting provider was: Must provide DVCS (distributed version control system) Must provider some [...] ...
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  • REST-esting with cURL: File Handling
  • April 12 2010
    The preview of CloudIQ Storage brings Amazon S3-like functionality to Managed Service Providers, organizations, and businesses. It opens up new possibilities with distributed, reliable storage of data and and importantly, computational storage. CloudIQ Storage exposes a RESTful interface that clients can use to store and retrieve files. Using cURL you can be on your way [...] ...
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