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ARM Virtualization – I/O Virtualization (Part 3)

In the second part of the series we introduced memory management and interrupt handling support provided by virtualization hardware extensions. But effective virtualization solutions ...
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Monitoring S3 uploads for a real time data

If you are working on Big Data and its bleeding edge technologies like Hadoop etc., the primary thing you need is a “dataset” to work on. So, this data can be reviews, blogs, ...
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Capistrano: Deploying to a Vagrant VM

I’ve been working on a tutorial around thinking through problems in graphs using my football graph and I wanted to deploy it on a local vagrant VM as a stepping stone to deploying ...
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Install, setup and start MongoDB on Windows

This post will provide the full path from downloading required binary archive/package for particular Windows version to starting up MongoDB in various ways. Following are the high ...
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How do you measure Devops?

If you’re trying to convince yourself (or the team or management) that your operations program needs to be changed for the better, and that trying a Devops approach makes sense – ...
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Installing TomEE from Puppet

Apache TomEE is an all-Apache stack aimed at Java EE 6 Web Profile certification where Tomcat is top dog. It is the conjunction of Tomcat + Java EE. Puppet is a tool designed to manage ...
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Monitoring the monster with RHQ

The classical RHQ setup assumes an agent and agent plugins being present on a machine (‘platform’ in RHQ-speak). Plugins then communicate with the managed resource (e.g. ...
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ARM Virtualization Extensions – Memory and Interrupts (Part 2)

In the first part of this series, I introduced the topic of virtualization. Today I will venture deeper into the ARM virtualization extensions for memory management and handling of ...
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Basic concepts of OpenLDAP

LDAPLDAP is just a type of database specialized for look ups. Reads are fast while writes are supported but relatively slow. That’s why LDAP is commonly used to store centralized ...
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Basic IPv6 concepts

Basic concept IPv6 is a completely separate protocol from IPv4! It means that the configuration and operation of IPv6 have nothing to do with those of IPv4 at all. They will run independently ...
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