Contents 8.21 VBoxManage modifyhd . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123 8.22 VBoxManage clonehd . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124 8.23 VBoxManage convertfromraw . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124 8.24 VBoxManage getextradata/setextradata . . . . . . . . . . . . . . . . . . . . . . . 125 8.25 VBoxManage setproperty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125 8.26 VBoxManage usbfilter add/modify/remove . . . . . . . . . . . . . . . . . . . . . 125 8.27 VBoxManage sharedfolder add/remove . . . . . . . . . . . . . . . . . . . . . . . 126 8.28 VBoxManage guestproperty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126 8.29 VBoxManage guestcontrol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127 8.30 VBoxManage debugvm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129 8.31 VBoxManage metrics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130 8.32 VBoxManage hostonlyif . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132 8.33 VBoxManage dhcpserver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132 8.34 VBoxManage extpack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133 9 Advanced topics 134 9.1 VBoxSDL, the simplified VM displayer . . . . . . . . . . . . . . . . . . . . . . . . 134 9.1.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134 9.1.2 Secure labeling with VBoxSDL . . . . . . . . . . . . . . . . . . . . . . . 134 9.1.3 Releasing modifiers with VBoxSDL on Linux . . . . . . . . . . . . . . . 135 9.2 Automated guest logons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136 9.2.1 Automated Windows guest logons . . . . . . . . . . . . . . . . . . . . . 136 9.2.2 Automated Linux/Unix guest logons . . . . . . . . . . . . . . . . . . . . 137 9.3 Advanced configuration for Windows guests . . . . . . . . . . . . . . . . . . . . 138 9.3.1 Automated Windows system preparation . . . . . . . . . . . . . . . . . 138 9.4 Advanced configuration for Linux and Solaris guests . . . . . . . . . . . . . . . . 139 9.4.1 Manual setup of selected guest services on Linux . . . . . . . . . . . . . 139 9.4.2 Guest graphics and mouse driver setup in depth . . . . . . . . . . . . . 139 9.5 CPU hot-plugging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140 9.6 Advanced display configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . 141 9.6.1 Custom VESA resolutions . . . . . . . . . . . . . . . . . . . . . . . . . . 141 9.6.2 Configuring the maximum resolution of guests when using the graphical frontend . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141 9.7 Advanced storage configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . 142 9.7.1 Using a raw host hard disk from a guest . . . . . . . . . . . . . . . . . . 142 9.7.2 Configuring the hard disk vendor product data (VPD) . . . . . . . . . . 144 9.7.3 Access iSCSI targets via Internal Networking . . . . . . . . . . . . . . . 144 9.8 Launching more than 120 VMs on Solaris hosts . . . . . . . . . . . . . . . . . . 145 9.9 Legacy commands for using serial ports . . . . . . . . . . . . . . . . . . . . . . . 145 9.10 Fine-tuning the VirtualBox NAT engine . . . . . . . . . . . . . . . . . . . . . . . 146 9.10.1 Configuring the address of a NAT network interface . . . . . . . . . . . 146 9.10.2 Configuring the boot server (next server) of a NAT network interface . . 146 9.10.3 Tuning TCP/IP buffers for NAT . . . . . . . . . . . . . . . . . . . . . . . 146 9.10.4 Binding NAT sockets to a specific interface . . . . . . . . . . . . . . . . 146 9.10.5 Enabling DNS proxy in NAT mode . . . . . . . . . . . . . . . . . . . . . 147 9.10.6 Using the host’s resolver as a DNS proxy in NAT mode . . . . . . . . . . 147 9.10.7 Configuring aliasing of the NAT engine . . . . . . . . . . . . . . . . . . 147 9.11 Configuring the BIOS DMI information . . . . . . . . . . . . . . . . . . . . . . . 147 9.12 Fine-tuning timers and time synchronization . . . . . . . . . . . . . . . . . . . . 148 9.12.1 Configuring the guest time stamp counter (TSC) to reflect guest execution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148 9.12.2 Accelerate or slow down the guest clock . . . . . . . . . . . . . . . . . . 149 9.12.3 Tuning the Guest Additions time synchronization parameters . . . . . . 149 9.13 Configuring multiple host-only network interfaces on Solaris hosts . . . . . . . . 150 5