VirtualBox guest additions
VirtualBox Guest Additions provide kernel modules for VirtualBox virtualized hardware and userspace daemons for features like shared clipboard and automatic resolution setting.
Installation
Install virtualbox-guest-additions. Additionally, install virtualbox-guest-additions-x11 if you are going to use graphical environment (including wayland) in your Alpine guest.
Enabling VirtualBox Guest Additions
Start and enable virtualbox-guest-additions
service:
# rc-service virtualbox-guest-additions start # rc-update add virtualbox-guest-additions boot
If you are using graphical environment, also start and enable virtualbox-drm-client
service:
# rc-service virtualbox-drm-client start # rc-update add virtualbox-drm-client default