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There are many virtualization technologies are available in the market today, some of them are OpenVZ, Xen, KVM and VMware, you can understand about all these technologies.
It is an operating system level virtualization technology based on linux kernel and it allows a physical server to run multiple operating systems. It creates multiple secure and isolated linux containers on a single physical server, each container performs as a standalone server and a container can independently reboot. It is a free service and runs only linux based operating systems such as Fedora, Debian, Centos and Gentoo.
Xen is an open source software, it allows multiple operating systems to run on a single physical computer by using a layer called a hypervisor. The Hypervisor is a program that allows multiple operating systems to share a single hardware. Xen supports Linux kernels through an approach called paravirtualization. It is used for both linux and windows.
KVM stands for kernel based virtual machine, built for linux OS that enables linux to work as a hypervisor to run multiple virtual machines. It is designed to operate on x86-based processor architecture. It is free and supports Linux, windows, salaries and BSD guests, It is the basis for IBM’s and Red hat’s Linux virtualization technologies, it is the most used technology in the OpenStack cloud. OpenStack is a global collaboration of developers and technologists to produce an open cloud computing platform.
It is Cloud computing and virtualization software for x86 compatible computers, it is based on ESX/ESXi bare metal hypervisor. VMware ESX and ESXi can be deployed as part of the VMware infrastructure to empower centralized management for enterprise desktops and data center applications. VMware server works with Linux, Windows, Solaris and Netware. It is the most mature virtualization and most expensive also.
Eventually Virtualization technology employed by virtual private servers, whereby a physical server divided into virtual divisions, and these technologies provides you higher reliability and greater performance.
1. Git and GitHub: Git is a repository for storing versions of code, otherwise known as a revision-control system; GitHub is a publicly hosted repository of code that can be downloaded and shared. Both are key for running DevOps environments, according to Matt Lanier, keeper of keys and grounds for Tout, a short-form video delivery firm based in San Francisco.
“We use Git for everything you can possibly use it for,” Lanier said. “Most people use it for revision control, but we use it for provisioning.”
In the company’s Amazon Web Services (AWS) environment, there’s one Git repository; on the other side of the wire in Tout’s data center is another. When provisioning Amazon instances, Tout’s cookbooks point to bits in the Git repository as templates.
2. Jenkins: This open source continuous integration server is essential for testing new code before deployment, according to a number of attendees here.
3. Berkshelf: This open source tool, maintained by Riot Games, offers a way of managing how cookbooks are fetched and deployed to a Chef server in order to make sure the right versions of cookbooks are being run. “If you’re not using Berkshelf in your cookbook development, you’re just doing it wrong,” said Trotter Cashion, founder of a consulting company called Mashion, in a session presentation this week.
4. Perforce: This proprietary revision-control system developed by Perforce Software Inc. is a must-have at Edmunds.com, a publisher of automotive information websites based in Santa Monica, Calif., according to Linux admin Joshua Miller. “Our essential tools are CloudStack, Chef and Perforce,” he said.
5. Nagios: Monitoring how changes to code affect the environment is crucial in deploying applications. The Nagios open source monitoring utility is tried and true — and free.
6. Sensu: Some attendees at ChefConf have moved from Nagios to Sensu, another open source monitoring utility. “I prefer Sensu because Nagios typically requires you to open a lot of firewall holes,” said Miah Johnson, DevOps engineer for Hotel Tonight, a last-minute lodging reservation service based in San Francisco.
7. LogStash: Johnson added that open source-based log-parsing utility LogStash is also key in her environment, providing another way to offer developers feedback on how code is performing by parsing and indexing logs. “It helps you figure out what the important parts of the logs are, and generates metrics based on your logs,” she said.
8. Test Kitchen: This tool allows users to test a Chef cookbook without actually running anything on the Chef Server, a sort of dry run in the cookbook development process.
9. Vagrant: Another lightweight test tool that allows for cookbooks and other software to be run on a virtual machine on a desktop.
10. Foodcritic: This is a really cool open source tool to look at a cookbook and test Chef correctness, said Phil Dibowitz, systems engineer for Facebook. “For us, it catches a lot of the really common errors that people could potentially make, especially if they’re new to Chef.”
1. Multiplatform/architecture, (native/hybrid/web);
3. Advanced Mobile User Experience Design;
4. High-precision location sensing (indoor gps, beacons, bluetooth, nfc);
5. wearable devices (e.g. watch, glass, health sensors);
6. New wifi standards (e.g. AC);
7. Enterprise mobile management (device/app/people/data);
8. Mobile-Connected Smart Objects (internet of things);
9. LTE(-A) (improve network speed);
10. Metrics and monitoring tools (app perf monitoring);
1. A Hyperplatform lets us embrace diverse technologies, platforms and solutions so we can manage them in a single seamless environment. Partners with AWS, NetApp, MS, IBM, Qualys, Savvis, Splunk, Verizon Terramark, VMWare.
2. Cloud360 paltform supports an ever-expanding list of platforms for cloud-based and virtual computing deployments – including all the industry’s leaders – protecting our IT investment now and assuring us the opportunity to grow and change our IT infrastructure as needed in the future. List of platforms supported now are AWS, Azure, Savvis, Verizon Terramark, VMWare