This course will introduce you to Ruby, as well as teach you about classes, methods, variables, data structures, loops, enumerable methods, and finishing touches.
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VMware is virtual machine software that provides a virtualized set of hardware (a video adapter, a network adapter, and hard disk adapters) to the guest operating system. VMware virtual machines become highly portable between computers, because every host looks nearly identical to the guest. In practice, a system administrator can pause operations on a virtual machine guest, move or copy that guest to another physical computer, and there resume execution exactly at the point of suspension. VMware's enterprise software hypervisors for servers, VMware ESX and VMware ESXi are bare-metal embedded Hypervisors that run directly on server hardware without requiring an additional underlying operating system.
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Provisioned and Used Space of VMs in the DataStorein the above screenshot, I see 2 VMs in a datastore. I would like to understand the meaning of Provisioned Space and Used Space.
for instance Provisioned space : XXGB of xxTB , Used Space XXGB of XXTB
what do those numbers mean ?
Thank you
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Cloud Class® Course: SQL Server Core 2016
This course will introduce you to SQL Server Core 2016, as well as teach you about SSMS, data tools, installation, server configuration, using Management Studio, and writing and executing queries.
Andy's VMware vSphere tip#28: Not really a VMware tip. But PASSWORDS are no longer safe, turn on Two Factor Authentication where possible. Change your passwords today, check if you've been pwned! https://haveibeenpwned.com/ So many websites have been hacked in previous years, Dropbox, LinkedIn, Microsoft, Adobe, Last.fm, tumblr, and now Reddit.....
Your password from one of these sites, is now in the PUBLIC DOMAIN, as well as your email address, and telephone number, in spread sheets which are circling the internet!
If you are still using an OLD PASSWORD ANYWHERE change IT NOW.
Use a password manager to help you ensure all your passwords are strong and unique such that a breach of one service doesn't put your other services at risk.
Your password from one of these sites, is now in the PUBLIC DOMAIN, as well as your email address, and telephone number, in spread sheets which are circling the internet!
If you are still using an OLD PASSWORD ANYWHERE change IT NOW.
Use a password manager to help you ensure all your passwords are strong and unique such that a breach of one service doesn't put your other services at risk.
Cloud Class® Course: Certified Penetration Testing
This CPTE Certified Penetration Testing Engineer course covers everything you need to know about becoming a Certified Penetration Testing Engineer. Career Path: Professional roles include Ethical Hackers, Security Consultants, System Administrators, and Chief Security Officers.
Hello Everyone, this article deals with virtualization to containerization technology.
Information technology grows in greater speed, techies are trying all the possibilities way to stabilize and maintain their infrastructure using the wide variety of tools. In those technologies, Virtualizationhad made a huge impact on the IT industry. IT infrastructure started moving virtualization.
Virtualization does for all sections like storage, computation, network etc. This has decreased number of servers used, reduced the cost of resources, minimizing downtimes.
Now again the technology has grown to the higher level of virtualization called Containerization.
Containerization is an alternative for full machine virtualization, which contains an application with its operating system. Now, this technology is widely used in most of the companies because it is easy to use and maintain. Main benefits of Container is it’s easy to build, ship and deploy. In other words, we can say it’s another approach to virtualization.
This has reduced number of resources required to run a software/application. Most famous technologies are LXC, Docker.
With this containers, the whole applications are segregated to tiny services and build. Finally deployed and integrated together.
Containers contain include all the runtime components such files, libraries which are required to run the application. Container consumes fewer resources such as memory, CPU as compared to Virtual machines because each virtual machines uses it’s own Operating system libraries.
Containers work better with microservices and distributed application, as each container works independently with its host. Now there are many tools available such as docker swarm, kubernates, Mesos to automate/orchestrate the operation.
Microservices is the way of building an application in the method of separating application modules to run as service rather than build the application as a whole. When an application starts it connects with the respective
Whenever there is a change in code, developers rebuild the image and this image has redeployed in each host to run.
Advantages of containerization
* Easy to build, ship and deploy.
* Lightweight
* Easy scalable
* Shared layering
* Use Dockerfile for Repeatable build
* Easy to orchestrate
Let's consider we have Java application which has many software dependencies while deploying, after setting the application in a docker the deployment made very easy because the container can run on any platform whether it is Windows, Linux, Mac only required software is docker. Whereas if are deploying in a Virtual machine we have to set up the VM's, install all the dependencies and deploy the app.
If we compare about the performance between VM and container, the container provides you the expected throughput as it developed by removing unwanted contents from OS.
It keeps only the required libraries to run.
One of the best benefits of containers is its scalability. Containers scales horizontally to provide better result rather than scaling vertically. Always there is a limitation for vertical scaling.
Hi,I had a VPN/RRAS server with two NICs - one for internal network IP (192.168.1.x) and another one with external public IP address) running on VMWare and I converted it to Hyper-V server using Microsoft Virtual Machine Converter successfully.
The problem is that in Hyper-V VM, two NICs don't show up in Routing and Remote Access. Please see the screenshot.
When converted to Hyper-V server initially, this VPN VM only showed one NIC. I had to add 2nd NIC in the VM settings.
So I understand what might happened here. Since the same NICs in VMWare VM were not found in Hyper-V VM, RRAS simply did not show them.
The question is how I can fix this?
VMware
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VMware is virtual machine software that provides a virtualized set of hardware (a video adapter, a network adapter, and hard disk adapters) to the guest operating system. VMware virtual machines become highly portable between computers, because every host looks nearly identical to the guest. In practice, a system administrator can pause operations on a virtual machine guest, move or copy that guest to another physical computer, and there resume execution exactly at the point of suspension. VMware's enterprise software hypervisors for servers, VMware ESX and VMware ESXi are bare-metal embedded Hypervisors that run directly on server hardware without requiring an additional underlying operating system.
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