For example, if you have 8 cores, select 4.

Adjust the number of CPUs to half of what is available, since this will speed up the compilation and responsiveness of the VM. Back to 'Oracle VM VirtualBox Manager', select OctaveDev, click on Settings.In 'Create Virtual Hard Disk' window, under 'File size': 50 GB 'Hard disk file type': VDI 'Storage on physical hard disk': Dynamically allocated.In 'Hard disk', select: 'Create a virtual hard disk now'. For example, if 16384 MB are available, type 8192. Adjust 'Memory size' to half of what is available. In Name, put: OctaveDev Type: Linux Version: Ubuntu (64-bit). In 'Oracle VM VirtualBox Manager', Select: Machine -> New. Other specifications should be easily met, once you have above specs satisfied. SSD hard drive (NVMe highly recommended).Intel Core i5, i7 or i9 CPU or equivalent AMD Ryzen 5, 7 or 9 or better.We suggest that your physical machine has at least: If you assign low amount of RAM to virtual machine, Ubuntu might not even boot or you may experience weird problems! Ubuntu Linux is not exactly a lightweight operating system (OS) to run under virtual environment and you will need a decent processor (CPU) and at least 4 GB of RAM memory to run it properly. This goes beyond the scope of this article, as its main purpose is focused on home users. no need for host operating system) in order to maximize hardware utilization, VM performance and compatibility. Professional server environments use hypervisors that run directly on the hardware (e.g. virtual machine inside another virtual machine inside a hypervisor ( our tutorial about installing VMware Player on Ubuntu Linux was actually done on a Windows computer!). Nested virtualizations are also possible e.g. There are many different hypervisors and software products (Microsoft Hyper-V, VMware Workstation, Oracle VirtualBox, Parallels Desktop are some of the big names in this area to name just a few – see full list here) and possibilities to install virtual machine on your existing physical computer. Virtual Machine is a virtualized hardware (software defined) running your favorite operating system (OS) on a similar or different physical computer hardware and/or operating system.Host Machine is a physical computer that runs Hypervisor and Virtual Machines.Hypervisor is a software application used to manage your virtual machine (VM) appliance and communicate between a host computer / operating system or directly with physical hardware.VirtualBox – How To Create Ubuntu Virtual Machine on Windows 10 Host Basic Virtualization Terminology

How to use virtualbox ubuntu windows