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Category: Ubuntu

Vulnerability-Assessment-patching-Semi-Automation

  • By Vinoth Kumar Selvaraj
  • April 23, 2019
  • No Comments

Download / Git clone the script from the below URL, https://github.com/vinothkumarselvaraj/vulnerability-Assessment-patching-Semi-Automation.git vulnerability_Assessment_patch_pkg_render_v2.py: This python script will give you the package … Continue Reading →

“nova.compute.resource_tracker” Out of Sync!

  • By Vinoth Kumar Selvaraj
  • February 2, 2019
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Have you ever noticed the metrics shown in the “free -m” on the compute node, and the output of “Nova … Continue Reading →

OpenDaylight VTN Manager Integration with OpenStack

  • By Vinoth Kumar Selvaraj
  • December 25, 2016
  • No Comments

  Virtual Tenant Network (VTN) Technical Introduction: OpenDaylight Virtual Tenant Network (VTN) is an application that provides a multi-tenant virtual … Continue Reading →

SSH Server Hardening Tips

  • By Vinoth Kumar Selvaraj
  • September 21, 2016
  • No Comments

Below are the security recommendations for SSH hardening the servers hosted in the public cloud. 1) Do not enable root … Continue Reading →

Openstack Kilo – Opendaylight Lithium Integration on Ubuntu 14.04 LTS

  • By Vinoth Kumar Selvaraj
  • December 23, 2015
  • 44 Comments

You could see in this open source world alike OpenStack, OpenDaylight also getting its own popularity. Starting from the Hydrogen … Continue Reading →

Openstack Integration with Brocade VDX switch (VLAN network + ml2 plugin)

  • By Vinoth Kumar Selvaraj
  • May 20, 2015
  • 7 Comments

Hell0oooooo OpenStackies! Recently I got an opportunity to work in integrating Brocade VDX switches with OpenStack. Unlike default OpenStack setup … Continue Reading →

Ubuntu 14.04: renaming ethernet interfaces from “p1p1″ to “eth0″

  • By Vinoth Kumar Selvaraj
  • February 24, 2015
  • 4 Comments

Sometimes, an ethernet interface will install itself as “p1p1″ or the like instead of the traditional “eth0″. Where most of … Continue Reading →

Configuring FTP server in Ubuntu 14.04

  • By Vinoth Kumar Selvaraj
  • January 9, 2015
  • No Comments

              Configuring FTP server is mainstream process, this is how my statement would be if I  configured FTP service in … Continue Reading →

Apt-Cacher-NG on Ubuntu

  • By Vinoth Kumar Selvaraj
  • November 25, 2013
  • No Comments

Apt-Cacher-NG is an apt proxy. It caches the packages you download locally each time you update your system. Why bother … Continue Reading →

Detecting HDD without Rebooting

  • By Vinoth Kumar Selvaraj
  • September 25, 2013
  • No Comments

—–> apt-get install scsitools —–> rescan-scsi-bus   Note: No need for any tools in CentOS. It detect hard disk automatically. … Continue Reading →

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Recent Posts

  • Vulnerability-Assessment-patching-Semi-Automation April 23, 2019
  • Python Script to list the OpenStack Orphaned resource March 8, 2019
  • Pass-through OpenLDAP Authentication (Using SASL) to Active Directory on Centos February 9, 2019
  • “nova.compute.resource_tracker” Out of Sync! February 2, 2019
  • OpenStack Bootcamp by Vinoth Kumar Selvaraj (Author) December 4, 2017

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