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Hello,

I'm Venu

Technology leader with 20 years of excellence in the digital transformation of rapidly growing businesses. Expert at leveraging the technologies that dictate the future, designing highly efficient processes, and building competent teams. From leading the development and management of mission-critical applications for different industries to migrating legacy systems to the cloud, I've been fortunate to imbibe the nuances of various domains.


Core Competence
Technology To Business Alignment

Strategic Alliances n Partnership

Agile n Hybrid

DevOps

Project Management

Team Building


Experience
Managing Director

Calcium Health

Executive Director - Head of Technology

Hinfoways HealthCare Pvt. Ltd.

Chief Architect

ThoughtWorks

SSA

Unisys

Software Engineer

Société Générale

SOBIS Mannheim

IBM

Infosys

BEL


My Skills
Build An AWS like Cloud
Programming
Leadership
Marketing

20

Total Years Of Experience

1664

Happy Customers

2964

Projects Done

2002

In Tech Since

How May I Help You?

Leadership

Project Management, Build Competent Teams, Automate Processes and Stive For Excellence

Winning Strategies

Strategy Planning, , Performance Optimisation, Service Deliver and Operations, BCP and Risk Management

Design

Technology To Business Alignment, Implementation, Integration, Migration,

Clean Code

Test Driven Development (TDD), Big-O, Integration and Migration, Security and Compliance

Growth

Visionary Stratergies, Strategic Alliances n Partnership, Sales and Marketing, Regulatory Expertise, Governance

Team Building

Building, hiring, and growing large teams of graphically-dispersed members inculcating the culture of commitment, accountability, and shared success.

SOME OF WORK

What is OpenStack! OpenStack 101


I was at the Chef conference the other day and while talking to a Sys Admin who would now prefer being addressed to as a DevOps person now, was ranting how they wanted to move away from the expensive VMware and implement OpenStack!

There are several who have these smart plans but looking at the complexity involved in trying to understand why this is impossible, makes me to accept this ignorance.

Firstly OpenStack is very close to me as it's written in Python :) Python continues to be the secret ingredient for success of things as ancient as Google, upto DropBox and now for "The Linux of the Cloud--OpenStack!"

Before we start off lets understand what a Hypervisor is!


A hypervisor or virtual machine monitor (VMM) is a piece of computer software, firmware or hardware that creates and runs virtual machines.

In this again there are two types, Type 1 and Type 2

Type 1 (or native, bare metal) hypervisors run directly on the host's hardware to control the hardware and to manage guest operating systems. A guest operating-system thus runs on another level above the hypervisor.

This model represents the classic implementation of virtual-machine architectures; example the Citrix XenServer, VMware ESX/ESXi and Microsoft Hyper-V
Type 2 (or hosted) hypervisors run within a conventional operating-system environment. With the hypervisor layer as a distinct second software level, guest operating-systems run at the third level above the hardware. VMware Workstation and VirtualBox exemplify Type 2 hypervisors.

Why doesn't the wiki page for Hypervisor not even mention about OpenStack?

Going back to the def

OpenStack, a cloud-computing project, aims to provide the "ubiquitous open source cloud computing platform for public and private clouds." Predominantly acting as an infrastructure as a service (IaaS) platform, it is free and open-source software released under the terms of the Apache License. The project is managed by the OpenStack Foundation, a non-profit corporate entity established in September 2012 to promote OpenStack software and its community.

So saying you don't need VMWare or the like and will go along with OpenStack is like saying, "I will throw out the server/hardware as I would like to go ahead with OpenStack"!


With OpenStack you would still need the hypervisor which will take care of managing your baremetal, while OpenStack Taking care of helping you build Infrastructure as Service.


OpenStack Compute supports many hypervisors to various degrees, including KVM, LXC, QEMU, UML, VMWare ESX/ESXi, Xen, PowerVM, Hyper-V.


And FileSystems Swift LVM, Ceph, Gluster, NFS, ZFS, Sheepdog


OpenStack is not the product!

As mentioned above its the name of the non-profit organisation.

Vision of OpenStack

OpenStack is a great philosophy which is in progress and is not yet there, but The long term vision is to produce a ubiquitous open source cloud computing platform that will meet the needs of public and private cloud providers while being highly scalable or elastic.


OpenStack is a stack of Python Apps providing a service

OpenStack services control large pools of compute, storage, and networking resources throughout a data center.

Each service provides a REST API so that all these resources can be managed through a dashboard that gives administrators control while empowering users to provision resources through a web interface, through a command-line client, or through software development kits that support the API.

Below is a conceptual architectural diagram of the same.




And it could even get as complex as this, but when we start to understand which we will in the coming days, we are bound to have several aha moments!


(To Be Continued...)



Curl vs Wget

To get started first we do the following

First check if curl is installed on our Ubuntu, if not, we install is using the following:




-L if server reports that the requested page has moved to a different location. redo the requests on new place.
-# for progress bar
-O Write output to a local file named like the remote file we get. The remote file name to use for saving is stracted from teh given URL.

wget is more like a predecessor of curl. 

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Venu Murthy
+91 9886782890
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“Excellence is never an accident. It is always the result of high intention, sincere effort, and intelligent execution.... ― Aristotle

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