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Qemu vs VirtualBox: What are the differences?
What is Qemu? A generic and open source machine emulator and virtualizer. When used as a machine emulator, it can run OSes and programs made for one machine (e.g. an ARM board) on a different machine (e.g. your own PC). By using dynamic translation, it achieves very good performance When used as a virtualizer, it achieves near native performance by executing the guest code directly on the host CPU. it supports virtualization when executing under the Xen hypervisor or using the KVM kernel module in Linux. When using KVM, it can virtualize x86, server and embedded PowerPC, 64-bit POWER, S390, 32-bit and 64-bit ARM, and MIPS guests..
What is VirtualBox? Run nearly any operating system on a single machine and to freely switch between OS instances running simultaneously. VirtualBox is a powerful x86 and AMD64/Intel64 virtualization product for enterprise as well as home use. Not only is VirtualBox an extremely feature rich, high performance product for enterprise customers, it is also the only professional solution that is freely available as Open Source Software under the terms of the GNU General Public License (GPL) version 2.
Qemu and VirtualBox belong to "Virtualization Platform" category of the tech stack.
Some of the features offered by Qemu are:
- machine emulator and virtualizer
- dynamic translation
On the other hand, VirtualBox provides the following key features:
- Portability
- No hardware virtualization required
- Guest Additions: shared folders, seamless windows, 3D virtualization
According to the StackShare community, VirtualBox has a broader approval, being mentioned in 981 company stacks & 6172 developers stacks; compared to Qemu, which is listed in 4 company stacks and 6 developer stacks.
What is Qemu?
What is VirtualBox?
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Why do developers choose Qemu?
Why do developers choose VirtualBox?
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What are the cons of using Qemu?
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VirtualBoxSometimes you will need to customize your virtualbox and you can easily add virtualbox commands inside your vagrantfile
Example of USB connection Share Between Host and VM
#Use $VBoxManage list usbhost To list Usb Ports and Get Your Device VENDORID and PRODUCTID
v.customize ["modifyvm", :id, "--usb", "on"]
v.customize ['usbfilter', 'add', '0', '--target', :id, '--name', 'ESP', '--vendorid', '0x22b8', '--productid', '0x2e76']
VirtualBoxNetwork and security programs. install and run multiple operating systems. Good to understand computer networks - internet and multiple services, such as the world wide web; and the opportunities they offer for communication (combine a variety of software and services)
VirtualBoxWe use Virtualbox in combination with Vagrant during development to ensure a consistent test/development environment. This helps to reduce the number of defects when our software goes to production.
VirtualBoxFor running a VM locally with Vagrant. It can be a little irritable, but it's open source and free, so I'm not complaining. I would probably use VMWare, but I don't want to pay for it right now.
VirtualBoxVirtualbox is managed by Vagrant and it sets up a local development environment so that anyone can test their changes before pushing the changes upstream.
VirtualBoxDevelopment test boxes. I dont like virtualbox that much - but for a while it was the only free vmware alternative.