The version of VirtualBox you are using. The host and guest OSes. Whether you have enabled VT-x/AMD-V (applicable to all hosts running 6.1 and above) and disabled HyperV (applicable to Windows 10 Hosts) Whether you have installed Guest Additions and/or Host Extensions (this solves 90% of the problems we see)
Sep 06, 2016 Feb 24, 2020 · Status: Guest OSes. The following table gives an overview of how well VirtualBox operating systems work in its virtual machines. Rows marked with an asterisk (*) contain information reported by users and not verified by the VirtualBox team. Mac OS X Guests Oracle VM VirtualBox enables you to install and execute unmodified versions of Mac OS X guests on supported host hardware. Note that this feature is experimental and thus unsupported.
networking - How can I make VirtualBox guests share the
How do I install Guest Additions in a VirtualBox VM? - Ask I think the right way to do this right now (2020-Apr-27) with the newest stable Ubuntu (20.04) and the current Virtualbox (6.1.6) is to just do the following: sudo apt install virtualbox-guest-dkms virtualbox-guest-x11 virtualbox-guest-utils. I just did that and it worked.
How to emulate a network using VirtualBox | Open-Source
Jul 06, 2015 Solved - How to install Virtualbox Guest additions? | The Sep 06, 2016 Feb 24, 2020 · Status: Guest OSes. The following table gives an overview of how well VirtualBox operating systems work in its virtual machines. Rows marked with an asterisk (*) contain information reported by users and not verified by the VirtualBox team. Mac OS X Guests Oracle VM VirtualBox enables you to install and execute unmodified versions of Mac OS X guests on supported host hardware. Note that this feature is experimental and thus unsupported. Dec 07, 2018 · Virtualbox is free and fairly simple to use. However, there are a few configuration tricks you will need to know in order to get the best out of it. One of these is configuring Virtualbox to run a 64-bit guest operating system. Loading a 32-bit OS is simple, but running x64 takes a little more work.