@@ -53,3 +53,15 @@ Here are some resources to check out to further learn more about reducing VM siz
1.[How to Shrink a VirtualBox Virtual Machine and Free Up Disk Space](https://www.howtogeek.com/312883/how-to-shrink-a-virtualbox-virtual-machine-and-free-up-disk-space/)
2.[Zerofree on Ubuntu 18.04 (2018)](https://askubuntu.com/questions/1092812/zerofree-on-ubuntu-18-04)
##Upgrade Guest Additions
If you see errors like below or the screen doesn't fill up the screen, you may need to update guest additions for the VM
(image of many errors)
In order to do this follow the following steps:
1. In the top menu go to **Devices** -\>**Insert Guest Additions CD**
2. A CD icon should appear on the Desktop. Click on it to open its directory and open a terminal.
3. Run `sudo ./VBoxLinuxAdditions.run`
4. This should resize the screen and remove the errors popping up on the screen.
