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  • VMware vRealize Automation

Step-by-Step: VMware vRealize Automation 7.x to 7.5 Upgrade

  • Posted on January 13, 2019January 13, 2019
  • by Mohamad Alhussein

Upgrading vRA solution has been always tricky as it is version dependent. Although the process is somehow similar, it may include less or more steps if you have a minimal or distributed vRA environment. Recently I have been engaged in…

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  • VMware NSX Data Center for vSphere

Step-by-Step: Workload Migration to NSX-v Domain Preserving IP address Schema

  • Posted on January 3, 2019January 3, 2019
  • by Mohamad Alhussein

With the IT transformation towards software defined data center (SDDC), and the wide adoption of software defined networking (SDN), most of current vSphere customers are considered as potential NSX ones, which means more and more brown-field NSX engagements to deal…

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  • VMware vRealize Automation

VRA7.x Blueprint Cross-Environment Sharing: vRealize Cloud Client CLI Comes Into Rescue

  • Posted on November 18, 2018November 18, 2018
  • by Mohamad Alhussein

What is vRealize Cloud Client? vRealize CloudClient is a command-line utility that provides verb-based access with a unified interface across vRealize Automation APIs. Browse the catalog and submit a request Approve a catalog request Manage provisioned machines Create tenants and…

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  • VMware vRealize Automation

Step-by-Step: Generate vRealize Automation Certificate via CertGenVVD Tool

  • Posted on November 10, 2018November 18, 2018
  • by Mohamad Alhussein

  Introduction In order to centralize certificate management and unify the procedure of generation of certificates for VMware management components in the whole SDDC stack, the VMware Validated Design Certificate Generation Utility (CertGenVVD) can be used to generate certificate signing…

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  • VMware NSX Data Center for vSphere

VMware ECMP NSX Edges Dropping Packets? Check RPF & Firewall

  • Posted on July 8, 2018July 8, 2018
  • by Mohamad Alhussein

Recently, I was checking  an interesting issue for one of our customers.  They are experiencing random packet dropping where users accessing their applications running on NSX environment are suffering from intermittent disconnections. They are running NSX-V 6.4 where their applications…

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  • VMware NSX Data Center for vSphere

VMware NSX Edge Not resolving Syslog FQDN ? Configure DNS Client via REST API

  • Posted on June 20, 2018June 20, 2018
  • by Mohamad Alhussein

Introduction Well, recently I was checking an issue for one of our customers, where NSX edges were not sending logs to their configured syslog server. I found the issue as interesting and decided to write a blog about it to…

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  • VMware NSX Data Center for vSphere

Step-By-Step: Install and Configure NSX Manager 6.4.1

  • Posted on June 12, 2018June 12, 2018
  • by Mohamad Alhussein

Introduction As NSX is driving the evolution of the next generation networking era, learning NSX is a must in my humble opinion. VMware does not consider NSX as a product anymore, rather it is a platform with a rich set…

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  • VMware NSX Data Center for vSphere

Did you add your vCenter to the NSX DFW exclusion list? Validate via Central CLI

  • Posted on June 10, 2018June 10, 2018
  • by Mohamad Alhussein

Introduction Whenever you prepare a vSphere cluster in NSX, the distributed firewall is enabled automatically on all ESXi hosts in that cluster. One of these clusters can be your management cluster where several management VMs are running including the vCenter…

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  • VMware NSX Data Center for vSphere

Migration from Collapsed to Dedicated NSX Edge Cluster

  • Posted on June 9, 2018June 10, 2018
  • by Mohamad Alhussein

In a recent PSO VMware NSX engagement with one of our customers, and as their new hardware arrived, they decided to make a migration of ESG edges and DLR control VMs to a dedicated cluster. I want to share with…

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  • VMware NSX Data Center for vSphere

NSX-V Distributed Logical Router: With or Without Control VM?

  • Posted on May 17, 2018May 17, 2018
  • by Mohamad Alhussein

Greetings, In this relatively short post, I will start with a brief introduction about NSX distributed logical router (DLR) and then I will delve into the main topic which I want to demonstrate here. Overview The main purpose of the…

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About This Site

This is the personal blog of Mohamad Alhussein. It is dedicated to my views and opinions on the various areas of the datacenter while emphasizing virtualization. It also serves as a learning tool for me to document deployments, configurations, and share possible solutions for the issues I encounter.

The opinions expressed on this site are solely mine and and does not necessarily reflect those of my employer.

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