VirtualBox. VirtualBox – key points ● What is a virtual machine. ● How to get the software. ● Install the host software. ● General Tweeks. ● Security.

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Presentation transcript:

VirtualBox

VirtualBox – key points ● What is a virtual machine. ● How to get the software. ● Install the host software. ● General Tweeks. ● Security. ● Base install of host – Demo. ● Questions. ● Plug.

What is a Virtual Machine ● "an efficient, isolated duplicate of a real machine” ● A virtual machine is a type of computer application used to create one or more virtual environments, independent of the hardware.

VM Software ● VirtualBox ● Vmware ● Parallels ● ZEN

Terms ● Host – Runs the virtual software ● Guest – Instance of the OS running on the host system. ● NAT – Network Address Translation ● Bridged – Separate IP for each guest ● EFI – Extended Firmware Interface (OSX) ● Remote Display – allow to connect using RDP client to running guest. (RDPv5 access)

Software Location ● ● – Status list of guest Oses. ● – pre-built images.

Host General Disk Layout ● Images and settings under.VirtualBox directory (Unix based systems – your setup may vary) ● Directory - HardDisk – where guest image's are stored -.vdi extensions ● Directory - Machine – where guest settings are stored (logs, dumps, etc) ● Yes this can be changed -

Host Install ● Linux, OSX, Solaris, Windows, or Source – x86 or amd64 ● rpm, deb, source, pkg, exe. ● You may need to install the Kernel-Devs for your system. ● MIN 512MB (poopoo 1G free at least) More memory the better. ● HDD (typical install 30G per guest) ● Initial settings – Use default for install.

General Tweeks of Host/Guest ● Memory – Base memory – Use default for initial install then adjust as required. Remember to keep eye on system memory, for you can run out of memory if not careful. ● Extended Features – Leave default – seems to be the best for most guests systems. ● Processor – Normally host will set correctly. - Host hardware has to support hardware virtualization.

General Tweeks of Host/Guest ● Video memory – I max it to 128 don't see any good or bad issues with maxing it. ● If running windows set extended 3D and 2D setting to enable. Works SOSO.. ● VMBoxGuestAddition.ISO – gives you extended disk, video and mouse options. ● Shared folders – note adds a level of security risk, file exchange to host system.

Security ● RedPill / BluePill – rootkit that is able to crash guest and gain access to host. (hard to do but proven possible “BlackHat and Def-con presentations”) - search web for more info. ● If set up to do so Guest can wipe files on Host, can be done via file sharing option.

Extra ● Yes you can run vmware server or workstation created images with VirtualBox. FYI- Does not always work correctly. Depending on version you may have to do a convert – google for instructions and more details.

Host / Guest Install DEMO

Questions

Pat Baker OtakuSystems LLC