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Channel: Lingesh, Author at UnixArena
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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,...

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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...

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Creating Network profile for vC Ops 5.8 – Part 2

In this article ,we will see that how to configure the network protocol profile for vC Ops vApps using vSphere web-client. Network protocol profiles provide a network identity to vApps. A network...

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Deploying vCenter Operation Manager 5.8 – Part 3

VMware provides the vC Ops installable software for windows & Linux.VMware also provides the pre-configured vApps to deploy vCenter Operation manager in few clicks and this will be the most common...

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Configuring the vCenter Operations Manager 5.8 – Part 4

This article will help you to configure the vCenter Operating Manager 5.8 . Once you have deployed the vC Ops using the OVA file , new vApps will be created along with  two new VM’s. (Analytics VM...

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vC Ops Manager 5.8 License Management – Part 5

This article will help you to update the license keys for vCenter operation Manager 5.8 .Once we have deployed the vC Ops ,we need to assign the proper license key to get all the features of the vC...

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GHOST GLIBC LIBRARY VULNERABILITY – Redhat

The another heartbreaking news for Linux administrators and users. The serious vulnerability has been detected on the Linux glibc library and they named this vulnerability as “GHOST” .The GNU C Library...

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How to update Oracle Solaris 11.2 – SRU

This article will talk about the Oracle Solaris 11.2 SRU update (Jan 2015).  Oracle’s ultimate goal is to make the Solaris patching like Redhat Linux satellite server patching model. There are some...

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Cisco – UCS (Unified Computing System) Part -1

Everybody would have been surprised when CISCO jumped in to the X86 server hardware market in 2009. Since then they are growing rapidly in the server market and now they are one of the  competitive...

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Cisco UCS – C-Series Server Management – Part 2

In this article ,we will explore more about the Cisco UCS C-series server components and CIMC(Cisco Integrated Management controller). C-series are rack mounted servers and we need to manage using the...

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Cisco UCS – C-Series Server Administration – Part 3

There are  lot of elements  which we didn’t see in the last article. In this article ,we will see that how to configure the CIMC log (syslog), Virtual KVM settings ,configure the BIOS, Power polices,...

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Cisco UCS – P81E Virtual Interface Card – Part 4

In UCS C-Series Rack-Mount Servers , You will get an option to choose the third party vendors network card or Cisco UCS P81 E VIC (Virtual Interface Card).  Cisco UCS P81E Virtual Interface Card is a...

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Redhat Enterprise Linux 7.0 Installation

Redhat has made a lot of changes in Redhat Enterprise Linux 7.0(RHEL 7) when we compared to the previous versions. These changes likely to remind me that what oracle has done with Solaris 11. Most of...

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How to reset the root password on RHEL 7 ?

This article will help you to reset the root password on Redhat enterprise Linux 7 (If you have lost it).  Unlike the previous  version of RHEL releases , REHL 7 brought special attention by bringing...

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How to edit the grub on RHEL 7 ?

The default boot loader in Redhat enterprise Linux 7 is grub2(GRand Unified Bootloader2).  The  “grub2″ supports almost all the operating systems. The main configuration file for grub2 is...

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How to create the yum repository on RHEL 7 ?

There is no much difference in package management  in  RHEL 7 when we compared to RHEL 6 . We can set up the yum repository using the DVD or you can dump the DVD contents to the filesystem and set-up...

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RHEL 7 – Graphical User Mode(GUI) is not coming ?

When you install the Redhat Enterprise Linux on datacenter, we will be not be installing with gnome packages by default. But in some cases, you may need graphical user mode. So you have to install the...

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Service Management (systemd) – RHEL 7

Prior to Redhat Enterprise Linux 7 operating system, init was the process which is responsible for activating the other services in the system. There were daemons and many system V LSB scripts were...

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Redhat Enterprise Linux 7 – systemd targets

Redhat Enterprise Linux 7 ‘s booting process also modified lot when you compare to the earlier versions. Instead of grub ,we have grub2 in RHEL 7  to boot the system. The boot loader loads the...

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RHEL 7 – Networking overview

Redhat has made a lot of changes in the RHEL-7’s networking part. In Red Hat Enterprise Linux 7, the default networking service is provided by NetworkManager, which is a dynamic network control and...

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