To make the system package cache up to date, run $ sudo apt update 2) Add VirtualBox 7 Repository Without any further delay, let’s deep dive into the installation steps 1) Update System Package Cache
Multi Core Processor ( 4 Core CPUs or more). Minimal Ubuntu 22.04 LTS system installed. In other words, we can say that we run guest OS in a VM. Virtual machine ( VM) – This is the special environment that VirtualBox creates for our Guest OS while it is running. Guest operating system ( Guest OS) – It is an operating system which is running inside the virtual machine. Host OS for virtual box can be Windows, UNIX and Mac OS X. Host Operating System ( Host OS) – It is an operating system of the physical machine on which VirtualBox is installed or will be installed. Host Only Adapter, is similar to virtual network, but allows talking to the host (not the internet).įor this example, we’ll go with NAT Network, as it’s simple to set up and the most versatile of the bunch, offing a balance of connectivity and isolation. This is useful for modelling real networks, but isn’t suitable for most use cases. Virtual Network, which connects multiple instances in an isolated virtualized network. 
This can work even with only one Wi-Fi/Ethernet connection, but if you’ve got a network card with multiple Ethernet ports, you can assign an entire interface directly to a VM. The VM has an actual IP address on your network.
Bridged, which bridges the physical connection straight to the VM. The NAT network acts as a virtual subnet. NAT Network, is similar to NAT, except the network is shared among the VMs, and they can talk to each other. This doesn’t allow VMs to talk to each other, and doesn’t allow host-to-guest contact unless port forwarded. NAT, the simplest, which simply allows the VM to communicate to the outside world using network address translation (NAT). Next, we’ll create the network that this VM will use. Sudo VBoxManage modifyvm "Ubuntu" -largepages on Then, flip some performance-related switches to prevent slowdowns from excess RAM usage: sudo VBoxManage modifyvm "Ubuntu" -nestedpaging on Sudo VBoxManage storageattach "Ubuntu" -storagectl "IDE Controller" -port 0 -device 0 -type dvddrive -medium "/home/user/Ubuntu.iso" sudo VBoxManage storagectl "Ubuntu" -name "IDE Controller" -add ide -controller PIIX4 This assumes your ISO is located at /home/user/Ubuntu.iso, so change it accordingly. We’ll do the same for the disk that will hold the ISO to install the OS. Sudo VBoxManage storagectl "Ubuntu" -name "SAS Controller" -hostiocache on Sudo VBoxManage storageattach "Ubuntu" -storagectl "SAS Controller" -port 0 -device 0 -type hdd -medium "Ubuntu.vdi" Sudo VBoxManage storagectl "Ubuntu" -name "SAS Controller" -add sas -controller LSILogicSAS
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