Davoud Teimouri - Virtualization and Data Center Blog
HPE has released the supported ESXi versions as customized images for ProLiant and other HPE server products. There is bad news about HPE ProLiant BL460c. Which Version Have Released? The...
We have many HPE Blade System C7000 chassis for hosting our virtual infrastructures or our customers virtual infrastructures. Also many of them are filled with HPE ProLiant BL460c Gen10. Recently,...
Seems, there is an issue on HPE Blade Servers when a specific adapter is installed on server. If there is any server of the below models in your virtual environment...
IBM has introduced the next generation of Z mainframes, IBM z15. Processor, memory capacity and actually everything is improved or bigger than earlier generations. IBM design z15 generation for more...
In the past but not so long, just before 2001 and before design first multi-core CPU, processors had one core. Intel, AMD and others they tried to increase transistors and...
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.
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.
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.
HashiCorp is one of leaders which providing automation tools for large-scale of cloud solutions. Let’s see which solutions provided by HashiCorp.
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.
Could you imaging that monitoring all virtual and physical infrastructure via single dashboard. Lpar2rrd 7.10 will do it for you.
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.
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.
CentOS was most popular operating system for cloud but Red Hat acting same as COVID-19 and change the world forever. CentOS was a real Community Enterprise Operating System but till December 2020.
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?