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Docker: Reorganizing the Data Center

There is an interesting evolution taking place in the traditional hosting space. Cloud computing is being steadily extended. People are rethinking the data center and this exciting process opens up an eclectic variety of new modifications to the traditional server in order to serve the customers better.

Virtualizing the server is one such modification available in the market today. The act of virtualizing a server in computing refers to creating a virtual rather than an actual version of something. This includes but is not restricted to a virtual computer hardware platform, operating system (OS), storage device, or computer network resources. Cloud computing is the technique that after virtualization has taken place provides resources from various separated computers on-demand.

The environment used to virtualize the server is Hypervisor. Hypervisor helps to create   several virtual machines (VM) that have an independent CPU, Memory and Network and individual Operating Systems.

Cloud providers such as Cirrus Tech are getting really interested in Docker Container technology within a Virtual Machine. Docker is an Open platform for developers and system administrators to build and test cloud applications. Docker is fast becoming a very convenient way for building, running and shipping distributed applications. Docker, which is operated as an application (service), is a Virtualization platform that can build and package a number of applications and make them highly portable.FullSizeRender

Docker helps to manage a computer environment separated from an OS by using the Libcontainer, which is a Linux container system. This Container technology is more than a decade old already. Google has been using in-house versions of containers for many years. But Docker container has now made the tools easy enough for everyone else to use too.

Thanks to Docker, users can now create a network and attach containers to it. They can communicate seamlessly across a cluster of containers with a single command. Basically a container summarizes applications and defines their interface to the surrounding system, which should make it simpler to drop applications into VMs running Docker in different clouds.

With Docker developers and system managers can distribute and test the software that they have developed, more easily and faster, move it from a laptop environment to any geographical location or any system that is supported by Docker or vice versa.

By using Docker containers, resources can be isolated, processes provisioned and services restricted to have an almost completely private view of the operating system with their own process ID space, file system structure, and network interfaces. Multiple Docker containers share the same kernel, but each container can be constrained to only use a defined amount of resources such as CPU, memory and I/O.

 

Docker is primarily made up of two technologies:

  • Docker Engine: A portable, lightweight application runtime and packaging tool.
  • Docker Hub: A cloud service for sharing applications and automating workflows.

These two work together and the developer utilizes these two to implement their technology to make their testing or developing cycles quicker and easier.

 

Benefits of using Docker in a Virtual Machine 

1) Having a Docker container in a VM is easy to manage and applies the policy of system, network, user and security. With Docker, there is no need to install an extra OS as Docker container has everything it needs to operate.

2) In a Docker container, you can run multiple Docker instances in a single VM or per physical node and so this is far more economical for developers.

3) Having a Containerized version of a VM makes it easier to maintain and to port to new cloud environments. Containers are isolated and share an OS and can also share bins/libraries when required.

 

Giant tech companies are rushing to deploy this Docker technology, which represents one of the biggest shifts in application development in years. Mostly all activity online now is an application running in the cloud. Apps housed in Docker’s free container software have been downloaded 535 million times in just two years.

Many large businesses are planning to adopt Docker faster than any cloud open-source product ever according to a study by New York based market research firm, Enterprise Technology research.

Docker is completely open-source and easily accessible. Therefore, it is being consumed heavily in the market by the non-procrastinating developers.

 

 

 

 

Starting To See Advantages Of Virtualizing

VirtualizationWhen considering expansion or even keeping up to date with business practices today, it is becoming increasingly vital that businesses re-evaluate and revise their technological methodology. Trying to move from antiquated hardware to work with latest software is like trying to make an old dog learn new or rather impossible tricks.

One of the best and most cost effective ways for keeping up with technology is to consider converting your physical server to a virtual environment. Server virtualization has been around for more than a decade now. Subdividing a single server to seem as multiple servers has been a common practice since 2001.

Previously, changing to a different system could take several years to plan, build and transfer data.  Virtualization speeds that process today and is a service that can be purchased by an Internet hosting company. Virtualizing the server has been transformational for the IT industry, providing greater flexibility, proficiencies and abilities that are not plausible in a constricting physical environment. Furthermore, conversion from physical to virtual is easy.

Virtualization refers to the undertaking of creating a virtual version of a computer hardware platform, operating system (OS), computer network resources or storage device. This allows customers to install new software that runs on an older OS, by virtualizing it first. Virtualization adds scalability which is a desired necessity for businesses today and in technological settings, especially when looking at today’s rapidly evolving business environments.

Advantages of Virtualizing:

  • Increase in Uptime

Most virtualized platforms offer numerous cutting-edge features that cannot be found on Physical servers which help the business steadiness and enhanced uptime continuity.

  • Save Energy

Migrating from a physical server to a VM (Virtual Machine) would mean using fewer physical servers.

Therefore reducing monthly power, cooling and even hardware costs in a data center.

  • Expanded disaster recovery

By minimizing actual physical servers, organizations can readily create an affordable duplication site with minimum effort. Most virtualized platforms have software that can help automate the failover if a disaster does strike.

  • Faster server provisioning

Virtualization enables elastic capacity to provide system provisioning and deployment at a moment’s notice. Quickly clone a master template, gold image or existing virtual machine to get a server up and running within minutes.

  • Easier to move to the Cloud

By virtualizing servers and summarizing the underlying hardware, it becomes easy to prepare your data for a move into the cloud. The eventual and gentler transition to Cloud may be to move from a simple virtualized environment to a private cloud first.

 

Operating system level virtualization permits the properties of a computer to be segregated for multiple isolated user space instances (containers).  Due to Virtualizing being software dependable in nature, it can be easily constituted, consumed and designed. Customers can also have their data in separate containers for heightened security, to improve resource management features and to have independence in hardware.

The physical server runs software (hypervisor) which works in creating, releasing and running resources on virtual machines. Another advantage of Virtualization is that the initial start-up cost is low and you only pay for what you use.

These virtual machines are designed to share resources of the physical server in such a manner that the customer is only aware of any physical attributes that the software (hypervisor) allots them. Even though resources are shared, under the time sharing model, virtualizing provides a high level of security. Virtualization also cuts down on server waste by more fully utilizing the physical server resources and by provisioning virtual machines with the exact amount of CPU, memory, and storage resources that it needs.

Cirrus Tech Ltd (Canada) is an internet hosting company that may be offering a potentially free of charge migration from a physical to a virtualized environment after discussing your company’s complexities and schedule. Cirrus has been providing affordable and reliable, cloud infrastructure and website hosting since 1999.

If your business is not looking at updating your IT department, then it is time to increase security. Security threats are far more real and have become closer to home in the recent years.

It is important to understand that no matter what you may think of future technologies-the data center is going to be at the heart of it all. Your underlying hardware architectural resource is constantly being made to adapt to a wide assortment of solutions that allow the customers in today’s world to go far beyond the classic one service per server practice.