Install Android-x86 with VirtualBox on Ubuntu 22.04 References: https://www.android-x86.org/documentation/virtualbox.html Download an ISO image (https://sourceforge.net/projects/android-x86/files/Release%209.0/ ) android-x86_64-9.0-r2.iso , in my case. Create a new VirtualBox VM Type: Linux, Version: Linux 2.6/3.x/4.x/5.x (64-bit) Hardware: Assign 4GB RAM Hard Disk: Create a Virtual Hard Disk Now Give 8GB HDD VDI (do not check Pre-allocate Full Size) Run VM and Boot with the downloaded .iso file from the Boot menu, Choose “Installation” Install Select “Create/Modify partitions” by pressing ‘C’ Decline GPT Create a New, Primary partition that uses the entire space Choose New, Choose Primary Leave it (the maximum space Size is displayed) Set it Bootable (The Flags are marked as ‘Boot’) Write (yes) Quit Choose the just created partition format ’ext4’ (for sure) Install GRUB Yes to install /system directory read-write Run Android-x86 Remove the .

References https://www.virtualbox.org/manual/ch06.html https://www.nakivo.com/blog/virtualbox-network-setting-guide/ ViratualBox Network Modes Not attached (No connection) NAT NAT Network Bridged Adapter Internal networking Host-only Generic (shared with the host) NAT Sufficient in most cases Internet-enabled: from Internal network to Internet access is possible Guests on internel network CANNOT talk each other (from www.nakivo.com) Enabling NAT for a VM with VBoxManage: VBoxManage modifyvm VM_name --nic1 nat VM_name: name of a virtual machine nic1: number of virtual machine adapter NAT Network Similar to NAT, but guest CAN talk each other basically,, CANNOT access guest machines either from the host or from external network However, “Port forwarding” enables the host or the machines of the host network to access guests A built-in VBox NAT router uses Network address and name can be changed: (Global preference) File > Preferences > Network > Edit the settings(icon): Default address 10.