Server - The important piece of computers

Data Center Interior

In todays life, computers are becoming so basic needs for human. Even every house has a computer actually not house only every person has PC or laptop of their own. So it is necessary to know about computers and network. As we all use internet which use network to work. Servers is also a part of it, a very important part. A basically a server is a piece of computer which provides data to other computers. There is many types of server like web servers, mail servers, etc. Basically the user of the server are known as client. The role of server is to share data as well as resources and distribute work. Hardware requirements for servers depends on the it's purpose and software.

Rack-Mountable Server
Img by-Wikipedia

Server Clusters

The server clusters is also known as server farm. It is a collection of computer server. Server farm consist of lots of computers which requires lots of energy and cooling system. It also has backup server for the case of primary servers failure. It uses high speed processors connected by either Gigabit Ethernet or by Infiniband or Myrinet.

Operating System

The common and most use operating system for server are Unix like. It has GUI available or optional. Reconfiguration and update of hardware or software can be done by it without restarting. It has flexible and advanced network capabilities. Automation capabilities such as daemon in Unix and services in windows. It has tight system security. Advanced detection ability.

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SCADA Network

So welcome to my blog. In this post I am gonna write about SCADA network. This actually come to my mind because of web show named Mr. Robot. The show is awesome if you love hacking believe me you will enjoy the series. So basically the SCADA ( Supervisory Control and Data Acquisition ) is a control system architecture comprising computers, networked data communications and graphical user interface for high level process supervisory management, while also comprising other peripheral devices like programmable logic controllers and discrete proportional-integral-derivative controllers to interface with process plant or machinery. SCADA networks used for monitoring and controlling the industry like telecommunication, water plant, etc. It is one of the most commonly used industrial control system, in spite of concerns about SCADA system being vulnerable to cyberattack. This network is used for gathering info about the system, transferring that info to central site, alerting...

NVIDIA Tesla V100 - First Tensor Core GPU

8x NVIDIA Tesla V100 32GB Server As we all know NVIDIA processor are so famous now a days. It give a perfect gaming performance and people used it worldwide. The thing is that it is not only use in personal computer but also at data center, where so many super computer are present for providing services. So, NVIDIA Tesla V100 is a first tensor core GPU. It is especially built to focus on AI, High Performance Computing ( HPC ) and graphics. It is powered by NVIDIA Volta Architecture. It comes with configuration 16 and 32GB and have a performance up to 100 CPUs in single GPU. A single server node with V100 GPUs can replace 60 CPUs nodes. DATA CENTER GPUs Image © NVIDIA NVIDIA V100 for NVLINK Performance with NVIDIA GPU Boost for double precision is 7.8 teraflops and single precision is 15.7 teraflops. Deep learning performance boost is 125 teraflops. Interconnect bandwidth with bidirectional is 300 GB/s. It have memory capacity of 32/16 GB HBM2 with bandwidth 900GB/s. I...

The Amazing Vantablack Material...!!

Vantablack is a material developed by Surrey NanoSystems in the United Kingdom and is one of the darkest substances known, absorbing up to 99.96% of visible light (at 663 nm if the light is perpendicular to the material).The name is a compound of the acronym VANTA (vertically aligned carbon nanotube arrays) and the color black. Vantablack is not actually a color pigment or a paint, but a coating of carbon nanotubes. These have the property of absorbing incident light almost completely. Against a deep black background, objects coated in Vantablack material seem to disappear, as the perception of spatial depth is lost. This is because the human eye perceives shapes coated in Vantablack to be two-dimensional. IUPAC Name is Activated carbon high density skeleton. Other names are Multiwalled carbon nanotube (MWCNT), Vantablack S-VIS and Vantablack S-IR. It is insoluble in water. When light strikes Vantablack, instead of bouncing off, it becomes trapped and is continually deflected amo...

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