yay -S x11vnc
wget https://gitweb.gentoo.org/repo/gentoo.git/plain/x11-misc/x11vnc/files/x11vnc.conf.d
wget https://gitweb.gentoo.org/repo/gentoo.git/plain/x11-misc/x11vnc/files/x11vnc.init.d
doas mv x11vnc.conf.d /etc/conf.d/x11vnc
doas mv x11vnc.init.d /etc/init.d/x11vnc
doas chmod 755 /etc/init.d/x11vnc

doas nvim /etc/conf.d/x11vnc
X11VNC_OPTS="-clip xinerama0 -noxdamage -noxrecord -noxfixes"
doas cp ~/.Xauthority /root/
doas rc-service xdm stop
doas rc-service x11vnc start