Lenovo ThinkAgile Network Orchestrator

Lenovo ThinkAgile Network Orchestrator integrates with Nutanix Prism for Lenovo Ethernet switches to deliver VM (Virtual Machine) workflow automation to the datacenter.  ThinkAgile Network Orchestrator is available in the Lenovo Cloud Network OS (CNOS). ThinkAgile Network Orchestrator delivers real benefits to the datacenter: Reduces OPEX – by removing maintenance windows, reducing complexity and eliminating human errors via automation of manual tasks Increases Uptime – through faster responses to network changes via dynamic automation Elevates Efficiency – by dynamically responding to VM changes and reducing dependency on network administrator for managing the physical network Customer Pain Points: Data center silos that … Continue reading Lenovo ThinkAgile Network Orchestrator

Installing OpenStack “Kilo” release on CentOS 7

Pre-requisites

  • Centos 7 minimal ISO – the one I used for this setup is “CentOS-7-x86_64-Minimal-1511.iso”
  • Virtual Machine (I am using ESXi 6.0) with 4 vCPU, 16GB RAM and 100GB vDisk
  • Specific to ESXi hypervisor – Enable CPU Hardware Virtualization [Check the box “Expose hardware assisted virtualization to the guest OS]
  • 1 virtual NIC, adapter type VMXNET3
  • VM should have connectivity to Internet
  • In ESXi while creating the VM choose:
    • Guest OS: Linux
    • Guest OS Version: CentOS 4/5/6/7 (64-bit)

Continue reading “Installing OpenStack “Kilo” release on CentOS 7”

Package Management

Yum is a rpm based package manager used to query, fetch, install, remove and update packes within a Centos / RHEL system based on repository metadata. It also performs automatic dependency resolution on packages that are updated, installed or removed. Commonly used Yum commands: PACKAGE Install a package yum install <package-name> yum install <name of the binary> ex: yum install /usr/sbin/named yum searches through its package lists, finds the package which provides /usr/sbin/named, if any, and prompts you as to whether you want to install it. Check availability updates for installed packages yum check-update [All installed packages] yum check-update <package-name> Update … Continue reading Package Management

Getting Started – git

This tutorial is a quick run down of how to get started with ‘git’. For the sake of this short and informative tutorial we are using Bitbucket.org & CentOS 7. We choose Bitbucket.org as it allows private repositories and upto 5 users to share and collaborate – all for free !!!
Git is a popular version control system for maintaining files within a project as a repository. Sites like Github and Bitbucket use git and this blog outlines the basics of it.
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RHEV-H 7.2 : Getting Started

RHEV-H or Red Hat Enterprise Virtualisation Hypervisor is Red Hat’s KVM based hypervisor supported by Red Hat. For the sake of testing and getting to know KVM in general and Red Hat’s hypervisor in particular, I installed it as a VM on a Nutanix Cluster running ESXi 6.0. So read on if you would like to know the recommended steps in order to run RHEV-H as a VM on ESXi/Nutanix successfully. Continue reading “RHEV-H 7.2 : Getting Started”