Installing ubuntu on virtualbox or similar

Introduction

These notes are from memory, so they may be out of order.

Steps

1. Download the iso from ubuntu.com

2. Download the most recent virtualbox and install

   sudo dpkg -i <path-to-deb-file>
   

   This will not complete until you install all the prerequisites, but will indicate missing dependencies so the next step can complete

3. Install prerequieites

   sudo apt install -yf
   

4. ensure you are a member of the vboxusers and vboxsf groups ^[https://www.virtualbox.org/manual/ch03.html#usb-implementation-notes]

   sudo groupadd vboxusers 
   sudo usermod -aG vboxusers $USER 
   sudo groupadd vboxsf
   sudo usermod -aG vboxsf $USER 
   

5. restart to apply group changes

Guest installation

1. Create a new virtual machine

   • type: linux (64-bit)
   • specific type: ubuntu 2X
   • RAM: 2-8 Gb
   • processors: 1
   • networking: switch to "bridged" networking mode

   • share folder: create & select a folder in your users directory

     • permanent: y
     • auto-mount: y

   • Add iso media

     1. go to drives
     2. add the ubuntu disk image you downloaded previously in the disk manager
     3. select the disk image
   • Start the machine
   • once ubnutu boots to the terminal. indicate "try or install ubuntu"
   • proceed to the installation wizard
   • select your keyboard
   • select your time zone
   • select wipe and reinstall ubuntu
   • once it finishes, proceed with the installation. This should take ~10 min
   • Let the machine restart
   • install guest additions

1. start the vm and update the machine

    ```bash
    sudo apt update && sudo apt upgrade -y
    ```

1. install prerequisites

    ```bash
    sudo apt install -y gcc make perl build-essential
    ```

1. Install the virtualbox guest additions cd from the guest os window and select run when the button pops up.
1. let it run
1. eject the cd from the virtualbox host menu

Optional Steps

1. install ssh

   sudo apt install -y openssh-server
   cat /media/share/id_ed25519.pub >> .ssh/authorized_keys
   sudo ufw allow ssh
   sudo ufw enable