Davoud Teimouri - Virtualization and Data Center Blog

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Rocky Linux, The Rightful Successor to CentOS

CentOS born from nothing and was everything for some businesses but Red Hat deposed him from the kingdom. I have published a post about CentOS Replacement Candidates and Rocky Linux was one of candidates. Rocky Linux was under development by Rocky community and release candidate version of Rocky Linux was released on April 30, 2021.

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VMware Photon OS – Best OS for Kubernetes and Container Host

During virtualization revolution, IT administrators was be able to use single physical host as virtualization host and providing compute resource for multiple services. Now IT world is going forward and companies moving their services to Cloud-Native Application or Container. Compared known Virtualization and OS Level Virtualization, using less storage capacity is the biggest benefit of OS Level Virtualization or Containerization. Most known Hypervisors are not made for OS Level Virtualization and Containerization needs Container Host. Container Host can be a known Operating System such as Linux distributions. There are some OS has specially made for Containerization such as VMware Photon OS.

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Our ESET Agent Upgrade Story

This is a sad story. We are not using any Directory Service such as Active Directory (I was fighting for active directory during past 4 years!) because of Gap of Knowledge in our department.

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Ansible UI – Ansible Semaphore

Ansible is one of most popular IT automation systems but if you want to have User Interface for Ansible, you have few options. Red Hat offers Ansible Tower as an enterprise edition of Ansible which includes an UI. Ansible Tower (AWX Project) is available as community edition but some version may be released with minimum of tests. There is another Open-Source project that you can use it, Ansible Semaphore.

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lpar2rrd 7.10 Released

Could you imaging that monitoring all virtual and physical infrastructure via single dashboard. Lpar2rrd 7.10 will do it for you.

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Stor2rrd 7.10 Released

This is the favorite software for storage monitoring, I’m using it as storage monitoring for large-scale of storage devices. Now, Stor2rrd 7.10 has been released with some new features.

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Group Policy Home

Group Policy is Windows administrators’ favorite management tools that provides centralized management and configuration of operating systems, applications, and users’ settings in an Active Directory environment.

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How To Disable HBA Port on Linux

Sometimes you need to do troubleshooting about storage connectivity but you don’t have access to datacenter or SAN switches and you need to shutdown one of HBA ports to check server side problem. If the port was a network adapter port, disabling was to easy but what about HBA port on operating system?