How to fix clipboard in VirtualBox?

Question

linux

How to fix clipboard in VirtualBox?
The virtual machine is AlpineLinux.
Shared folders work but clipboard doesn't.
installed virtualbox-guest-additions and virtualbox-guest-additions_virt.
What to do? How to fix?

Answer 1

Do not bathe and connect to the virtual machine via ssh. Everything works fine in the terminal.

Answer 2

and who is responsible for the support of the clipboard in the OS itself? (I mean not Virtualbox, but the host and guest of the axis), maybe something has fallen off ..