Recent Posts

vCenter Operations Manager 5.8 Overview – Part1

VMware offers vC Ops “aka”  vCenter Operations Manager to monitor VMware vSphere and vCloud environments in the most efficient way.It provides the great visibility on VMware infrastructure to the system administrators and stake holders.The most important feature of vC Ops is capacity planning.It projects the resource consumption growth with help of the historical statistics. VMware vSphere itself  provides the necessary performance …

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Nutanix – Web-Scale Converged Infrastructure

The entire world’s IT infrastructure  is driving towards the virtualization to reduce the IT costs by consolidating the small and mid-range workload environments. When it comes to Virtualization, hypervisors are ruling the market and VMware is top among those. Microsoft Hyper-V,Oracle VM for X86 and Redhat Enterprise  Virtualization(RHEV) also competing with each other on the hypervisor market along with VMware. Now the questions is …

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How to find the Redhat Linux version & Release details ?

Redhat Linux Version details

Are you new to Redhat Enterprise Linux ?  If yes, this article is going to help you to identify the Redhat Linux version, code name, release name and kernel version. You may require those details to check the application compatibility or future Operating system update. By viewing “/etc/redhat-release” file, you can identify the Redhat version. “unmae -r”  command will provide the …

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LDOM – How to find the physical Memory size ?

In UnixArena,we have talked more about LDOM aka Oracle VM for SPARC.But this article will provide the solution to identify the installed physical memory of the server from control domain. There is no direct command available to find out the total physical memory and un-allocated memory  from control domain.Once you have set the resources limit to control domain, all the …

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Dynamically Adding Memory CPU to VM on VMware

VMware vSphere’s hot-add Memory and hot-plug CPU functions allow you to add the CPU and Memory while virtual machine is up and running. It will help you to add the additional  resources whenever required and  no need to bring down the VM for each time.But  you can’t remove the resources once you have added the VM while its  running.This Hot-add …

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Oracle Solaris 11 – Beginners Guide

If you are working as a Sun Solaris system administrator, you know that how rapidly Solaris  operating system  is changing from version to version. There were  a lot difference between Solaris 9  and Solaris 10. But people were able to grab the changes quickly in the past when it was transformed from Solaris 8/9 to Solaris 10. ZFS and Zones …

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VMTurbo 5.0 – Control in the Software Defined Universe

Virualization is very powerful technology but  it comes with greater responsibility as well. If you do not configure or maintain your virtual environment properly, it will affect whole environment. Do you would like to know how ? In most of the cases , SAN storage systems will be shared for all the physical and virtual environments. If you do more …

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Exadata Storage Cell Commands Cheat Sheet

It is not an easy to remember the commands since most of the UNIX administrators are working on multiple Operating systems and different  OS flavors. Exadata and ZFS appliance are adding additional responsibility to Unix administrator and need to remember those appliance commands as well. This article will provide the reference to all Exadata storage cell commands with examples for …

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Exadata – Distributed Command-Line Utility (dcli) – Part 6

Distributed command line utility(dcli) provides an option to execute the monitoring and administration commands on multiple servers simultaneously.In exadata database  machine , you may need to create the griddisks on all the exadata storage cells frequently. Each time , you need to login to all the storage cells and create the griddisk manually.But dcli will make our life easier once you …

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