Unix, Linux, DevOps , Cloud computing and BigData Knowledge-Base

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Bash Scripting – Performing Math

Another feature crucial to any programming language is the ability to manipulate numbers. Unfortunately, for shell scripts this process is a bit awkward. There are two different ways to perform mathematical operations in your shell scripts.

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RHEL6 – KVM Administration CookBook – Part 1

I believe, this is one of the long pending post from me. Anyway, before proceeding with the actual cook book first let’s briefly recollect the concept of virtualization.  Virtualization is noting but creating an abstraction layer in between the Operating System and Hardware , so that the physical hardware...

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Master DNS Server Configuration in Linux

The Configuration mentioned in this post is part of the post “DNS Server Configuration in Linux“ A master server is the basis for the DNS infrastructure. It provides a place to define all DNS records and extend them to secondary servers that can help with load...

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