Hyper-V guest services
How to install Hyper-V guest services
Hyper-V tools is nicely packaged, so the install is simple, as follows:
apk add hvtools
Then enable the services
rc-service hv_fcopy_daemon start
rc-service hv_kvp_daemon start
rc-service hv_vss_daemon start
Then to ensure these services start on boot
rc-update add hv_fcopy_daemon
rc-update add hv_kvp_daemon
rc-update add hv_vss_daemon