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Select Erase disk and install Ubuntu, and click the Install now button. Ubuntu 18.04 Install Installation Type Youll also be prompted to confirm your selection with the following prompt, just click the Continue button. Ubuntu 18.04 Install Confirm Installation Next well select our location for the timezone, type and set your location, click the Continue button. Ubuntu 18.04 Install Where are you Lastly, well give our name, our computer name, username, and give it a password.

Its very important to note that at the time of writing this, it is July 2019 and these steps might differ as different versions of VirtualBox and Ubuntu are released.

Why Do This There are few reasons why youll want to do this, but my main reason is to able to install and use Ubuntu without having to partition my hard drive and install Ubuntu locally on my computer.

There are ways to install Ubuntu natively on your computer, but this method allows you to use both at the same time.

This is also so that I can complete the Linux Foundation Certified SysAdmin (LFCS).

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Requirements To make sure you have the requirements for this, you just need: Mac OS Mojave 2 GB RAM that can be dedicated 10 GB of storage (although that can be tweaked) Tools Well Need VirtualBox A virtualizer that runs virtual machines Ubuntu OS The Linux OS well be running in VirtualBox What Is VirtualBox Basically open-source software that allows us to run multiple different Operating Systems on top of our Mac OS, including Windows, Linux and even Mac OS with Virtual Machines, which are just emulations (which are close to native running) of operating systems.

VirtualBox is also a Hypervisor.

What Is A Hypervisor Also known as a Virtual Machine Monitor, which can either be software, firmware, or hardware that allows Operating Systems to run on top of it.

In this case VirtualBox is a Type 2 Hypervisor, which sits on top of an OS and allows you to run other Operating Systems.

Install Virtual Box Our first step to installing Ubuntu on our Mac OS is to install VirtualBox.

VirtualBox Installation Successful If you run VirtualBox now, you should see the following: VirtualBox Download Ubuntu The next step is to download Ubuntu locally to our computer to use with VirtualBox.

What Is LTS Here youll be presented with a couple of options, but youll want to download Ubuntu 18.04.2 LTS.

LTS stands for Long-Term Support, which means this release will be supported by the developers of Ubuntu for a while.

Download Ubuntu 18.04.2 LTS Once downloaded, the file will probably sit in your downloads as ubuntu-18.04.2-desktop-amd64.iso.

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This is our image archive file of the operating system, which well need later.

New Machine Next, well want to create a new machine in Virtual Box by clicking on New, or going to Machine New, or doing N.

Once the prompt opens, give it a Name (if you start typing ubuntu, it will automatically convert the version to Ubuntu 64-bit ), and set the Memory to 2048 MB (2GB).

Make sure you set the Hard Disk option to Create a virtual hard disk now.

New VirtualBox Machine Settings This will then prompt us to define the settings for our new virtual hard disk.

Set the File size will be set to 10.00GB to give the Ubuntu file enough space to work with, the Hard disk file type to VDI to make an image formatted for VirtualBox, and allow the Storage on physical hard disk to be Dynamically allocated.

New VirtualBox Image Settings Once your new machine settings are setup, you should see the following: New Machine Successfully Created Configured Install Ubuntu Image Notice we havent touched our ubuntu-18.04.2-desktop-amd64.iso file yet.

This is the next step.

Right click on our new machine and go to Start Normal Start or select the machine and just click the Green Start Arrow Icon.

Well soon be prompted with the following, where well now select our file, and click Start.

Selecting Our Ubuntu ISO Image for our New VirtualBox Machine Ubuntu will start but we might get this tiny screen at start.

Ubuntu 18.04 First Loading To temporary fix this before we configure our display setting in Ubuntu directly, click the fifth icon from bottom right and go to Virtual Screen 1 Scale to 200 (autoscaled output).

We should see something slightly bigger, where you can now click Install Ubuntu.

Ubuntu 18.04 Installation NOTE: If at any time you need to get out of the Virtual Machine Ubuntu, just press the left twice.

The next prompt will ask you what your keyboard setting might be.

Once youve selected your option, click the Continue button.

Ubuntu 18.04 Installation Keyboard layout settings Just to get those alert prompts at the top out of the way, click the x button.

Removing the alter prompts For the sake of this walkthrough, well go with the Normal Installation and Download updates while installing Ubuntu.

Click the Continue button.

Ubuntu 18.04 Install Updates and other software This next step might look scary but there is nothing for Ubuntu to delete except for what the size and storage we allocated it.

Select Erase disk and install Ubuntu, and click the Install now button.

Ubuntu 18.04 Install Installation Type Youll also be prompted to confirm your selection with the following prompt, just click the Continue button.

Ubuntu 18.04 Install Confirm Installation Next well select our location for the timezone, type and set your location, click the Continue button.

Ubuntu 18.04 Install Where are you Lastly, well give our name, our computer name, username, and give it a password.

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