From Virtualbox Manual: Chapter 14: 14.2. Known Issues Mac OS X guests: VirtualBox does not provide Guest Additions for Mac OS X at this time snip From the content of this, I wouldn't hold out for such support in VirtualBox any time soon. The situation really has not changed since then. Install Guest Tool on macOS 10.15 Catalina on VirtualBox. Most you might not be familiar with the Guest tool, but you may familiar with installing VMware tool on macOS Catalina. The process on how to install it on VMware and VirtualBox are the same. To do this follow each of the steps instructions.
- 1 First Steps
- 1.4 Supported Host Operating Systems
- 1.8 Running Your Virtual Machine
- 1.10 Snapshots
- 1.14 Importing and Exporting Virtual Machines
- 1.15 Integrating with Oracle Cloud Infrastructure
- 1.18 Soft Keyboard
- 2 Installation Details
- 2.1 Installing on Windows Hosts
- 2.2 Installing on Mac OS X Hosts
- 2.3 Installing on Linux Hosts
- 2.4 Installing on Oracle Solaris Hosts
- 3 Configuring Virtual Machines
- 3.1 Supported Guest Operating Systems
- 3.2 Unattended Guest Installation
- 3.4 General Settings
- 3.5 System Settings
- 3.6 Display Settings
- 3.11 USB Support
- 3.14 Alternative Firmware (EFI)
- 4 Guest Additions
- 4.2 Installing and Maintaining Guest Additions
- 4.3 Shared Folders
- 4.4 Drag and Drop
- 4.5 Hardware-Accelerated Graphics
- 4.7 Guest Properties
- 4.8 Guest Control File Manager
- 4.10 Memory Overcommitment
- 4.11 Controlling Virtual Monitor Topology
- 5 Virtual Storage
- 5.11 vboximg-mount: A Utility for FUSE Mounting a Virtual Disk Image
- 6 Virtual Networking
- 6.3 Network Address Translation (NAT)
- 7 VBoxManage
- 7.8 VBoxManage modifyvm
- 7.10 VBoxManage import
- 7.11 VBoxManage export
- 7.37 VBoxManage unattended
- 7.38 VBoxManage snapshot
- 7.39 VBoxManage clonevm
- 7.40 VBoxManage sharedfolder
- 7.41 VBoxManage extpack
- 7.42 VBoxManage dhcpserver
- 7.43 VBoxManage debugvm
- 7.44 VBoxManage cloudprofile
- 7.45 VBoxManage cloud
- 7.46 VBoxManage signova
- 7.47 VBoxManage updatecheck
- 7.48 vboximg-mount
To install VirtualBox Guest Additions, follow these steps:
![Guest Guest](/uploads/1/1/9/7/119737869/429551278.jpg)
Virtualbox Macos Catalina Guest Additions
- Stop the virtual machine.
- Edit the virtual machine settings and from the “System” tab, add a new CD-ROM device to the machine.
- Restart the virtual machine.
- Check the current kernel version:
- Install some needed dependencies as shown below. Remember to replace the VERSION placeholder with the kernel version from the previous command. packages with the proper kernel_version shown by the previous command:
- Restart the virtual machine:
- From the virtual machine menu, select the “Devices -> CD/DVD Devices -> Choose a virtual CD/DVD disk file” option. Select the VBoxGuestAdditions.iso file. This action simulates inserting a CD-ROM that includes the tools.The VBoxGuestAdditions.iso file is usually located in the /usr/share/virtualbox/ directory on Linux, in the C:Program FilesOracleVirtualBox directory on Windows and the Contents/MacOS directory of the VirtualBox package on Mac OS X.
- Mount the CD-ROM and install the VirtualBox Guest Additions:You can safely ignore the error below if it appears during the installation process:
- Once the process is complete, check that the output resembles that shown below. If it does, the VirtualBox Guest Additions have been successfully installed.