ubuntu20.04安装教程 虚拟机

### Ubuntu 20.04 Installation Guide on Virtual Machine To install Ubuntu 20.04 LTS on a virtual machine, follow these instructions: #### Preparing the Environment Ensure that the virtualization software is installed and configured properly on the host system before starting this process. #### Downloading the ISO File Download the official Ubuntu 20.04 ISO file from the Canonical website to use as an installation source for creating a new VM instance. #### Creating a New Virtual Machine Use the virtualization platform's interface or command-line tools to create a new virtual machine with at least 4 GB of RAM allocated[^1]. During creation, specify the downloaded Ubuntu 20.04 ISO image as the boot media. #### Starting the Installation Process Once the virtual hardware configuration completes successfully, power on the newly created VM. The installer will begin running automatically after detecting the presence of the ISO file attached during setup. Follow prompts within the graphical user interface provided by the live CD environment until reaching options related specifically towards partition management where one can choose between guided automatic allocation methods or manual disk layout configurations depending upon personal preference and requirements. After setting up partitions according to needs, continue following screen-by-screen directions given inside the wizard-like sequence presented throughout remaining stages leading toward completion including locale settings selection; keyboard model identification along with time zone specification plus account details entry fields requiring username/password input among others listed below each step shown visually through dialog boxes appearing sequentially over top background wallpaper depicting various aspects associated closely around themes relevant particularly under consideration here being Linux distributions more precisely focused onto versions released officially labeled 'Focal Fossa'. Upon finishing all required steps outlined previously mentioned above while ensuring no errors occurred anywhere during execution flow then finally confirm everything looks correct prior submitting final approval which triggers actual writing changes made into storage devices connected physically outside but logically integrated virtually via emulated interfaces supported natively across multiple hypervisors available today such VMware Workstation Player/Hyper-V etc., thus concluding successful deployment operation resulting freshly booted OS ready immediately post-installation phase ends gracefully without issues encountered unexpectedly midway through entire procedure described comprehensively yet concisely hereinbefore. ```bash # Example commands used in terminal after installation if choosing server edition sudo apt update && sudo apt upgrade -y ```