Install VirtualBox Guest Additio

sudo apt update
sudo apt install -y virtualbox-guest-x11

如果找不到4.15.0的header, 要apt full-upgrde完整更新核心後, 直接抓4.16.0 (latest)

sudo apt update && apt install -y linux-headers-$(uname -r)

接著就能愉快的安裝了

cp /media/cdrom0/VBoxLinuxAdditions.run ~/
chmod 755 ~/VBoxLinuxAdditions.run
cd ~
sudo ~/VBoxLinuxAdditions.run