How to Install VirtualBox Guest Additions on Ubuntu 20.04

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# Retrieving Root - Permissions
sudo su

# Updating package informations
# apt update

# Installing needed Headers
apt install build-essential dkms linux-headers-$(uname -r)

# Creating a folder structure to mount the CD drive
mkdir -p /mnt/cdrom

# CD drive mounting
mount /dev/cdrom /mnt/cdrom

# Change directory
cd /mnt/cdrom

# Running the install script
sh ./VBoxLinuxAdditions.run --nox11

# Rebooting
shutdown -r now

# Checking Installation (Service)
lsmod | grep vboxguest

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