Ubuntu 7.10 (Gutsy) and later and Man- driva 2007.1 and later –, generally we recommend installing Dynamic Kernel Module Support (DKMS)1. This framework helps to build kernel modules and to deal with kernel On a Fedora system: yum install dkms • On a Mandriva system: 1See http://en.wikipedia.org/wiki/Dynamic_Kernel_Module_Support for an introduction. 36 2 Installation details urpmi dkms If DKMS is available disk has fully expanded, write operations are slower than with fixed size disks. However, after a dynamic disk has fully expanded, the performance penalty for read and write operations is negligible. 5

Ubuntu 7.10 (Gutsy) and later and Mandriva 2007.1 and later –, generally we recommend installing Dynamic Kernel Module Support (DKMS)2. This framework helps with building and upgrading kernel modules. If installer (.run) which should work on most Linux distributions. 2See http://en.wikipedia.org/wiki/Dynamic_Kernel_Module_Support for an introduction. 31 2 Installation details 2.3.3.1 Installing VirtualBox disk has fully expanded, write operations are slower than with fixed size disks. However, after a dynamic disk has fully expanded, the performance penalty for read and write operations is negligible. 5

Ubuntu 8.04 (Hardy) and later and Mandriva 2009.1 and later –, generally we recommend installing Dynamic Kernel Module Support (DKMS)2. This framework helps with building and upgrading kernel modules. If reinstalled by executing (as root): /etc/init.d/vboxdrv setup 2See http://en.wikipedia.org/wiki/Dynamic_Kernel_Module_Support for an introduction. 32 2 Installation details 2.3.3 Performing the installation disk has fully expanded, write operations are slower than with fixed size disks. However, after a dynamic disk has fully expanded, the performance penalty for read and write operations is negligible. 5

Ubuntu 8.04 (Hardy) and later and Mandriva 2009.1 and later –, generally we recommend installing Dynamic Kernel Module Support (DKMS)2. This framework helps with building and upgrading kernel modules. If reinstalled by executing (as root): /etc/init.d/vboxdrv setup 2See http://en.wikipedia.org/wiki/Dynamic_Kernel_Module_Support for an introduction. 32 2 Installation details 2.3.3 Performing the installation disk has fully expanded, write operations are slower than with fixed size disks. However, after a dynamic disk has fully expanded, the performance penalty for read and write operations is negligible. 5

Ubuntu 8.04 (Hardy) and later and Mandriva 2009.1 and later –, generally we recommend installing Dynamic Kernel Module Support (DKMS)2. This framework helps with building and upgrading kernel modules. If reinstalled by executing (as root): /etc/init.d/vboxdrv setup 2See http://en.wikipedia.org/wiki/Dynamic_Kernel_Module_Support for an introduction. 32 2 Installation details 2.3.3 Performing the installation disk has fully expanded, write operations are slower than with fixed size disks. However, after a dynamic disk has fully expanded, the performance penalty for read and write operations is negligible. 5

Ubuntu 8.04 (Hardy) and later and Mandriva 2009.1 and later –, generally we recommend installing Dynamic Kernel Module Support (DKMS)2. This framework helps with building and upgrading kernel modules. If reinstalled by executing (as root): /etc/init.d/vboxdrv setup 2See http://en.wikipedia.org/wiki/Dynamic_Kernel_Module_Support for an introduction. 33 2 Installation details 2.3.3 Performing the installation --timesync-latency-factor The factor to multiply the time query latency with to calculate the dynamic minimum adjust time. The default is 8 times, that means in detail: Measure the time it takes to determine

Ubuntu 8.04 (Hardy) and later and Mandriva 2009.1 and later –, generally we recommend installing Dynamic Kernel Module Support (DKMS)2. This framework helps with building and upgrading kernel modules. If reinstalled by executing (as root): /etc/init.d/vboxdrv setup 2See http://en.wikipedia.org/wiki/Dynamic_Kernel_Module_Support for an introduction. 32 2 Installation details 2.3.3 Performing the installation disk has fully expanded, write operations are slower than with fixed size disks. However, after a dynamic disk has fully expanded, the performance penalty for read and write operations is negligible. 5

updates, for those Linux distributions which provide it – most current ones – we recommend installing Dynamic Kernel Module Support (DKMS)2. This framework helps with building and upgrading kernel modules. If reinstalled by executing (as root): /etc/init.d/vboxdrv setup 2See http://en.wikipedia.org/wiki/Dynamic_Kernel_Module_Support for an introduction. 35 2 Installation details 2.3.3 Performing the installation topics --timesync-latency-factor The factor to multiply the time query latency with to calculate the dynamic minimum adjust time. The default is 8 times, that means in detail: Measure the time it takes to determine

Ubuntu 8.04 (Hardy) and later and Mandriva 2009.1 and later –, generally we recommend installing Dynamic Kernel Module Support (DKMS)2. This framework helps with building and upgrading kernel modules. If reinstalled by executing (as root): /etc/init.d/vboxdrv setup 2See http://en.wikipedia.org/wiki/Dynamic_Kernel_Module_Support for an introduction. 32 2 Installation details 2.3.3 Performing the installation disk has fully expanded, write operations are slower than with fixed size disks. However, after a dynamic disk has fully expanded, the performance penalty for read and write operations is negligible. 5

updates, for those Linux distributions which provide it – most current ones – we recommend installing Dynamic Kernel Module Support (DKMS)2. This framework helps with building and upgrading kernel modules. If reinstalled by executing (as root): /etc/init.d/vboxdrv setup 2See http://en.wikipedia.org/wiki/Dynamic_Kernel_Module_Support for an introduction. 37 2 Installation details 2.3.3 Performing the installation --timesync-latency-factor The factor to multiply the time query latency with to calculate the dynamic minimum adjust time. The default is 8 times, that means in detail: Measure the time it takes to determine