CLUG TALK Virtualbox Tuesday, 29 September 2009 One of the Jonathans.

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Presentation transcript:

CLUG TALK Virtualbox Tuesday, 29 September 2009 One of the Jonathans

Virtualization What is Virtualization?

Virtualization Different Kinds of Virtualization: Virtual machine (VM), a software implementation of a machine (computer) that executes programs like a real machine Platform virtualization, which separates an operating system from the underlying platform resources Full virtualization, sensitive instructions replaced by binary translation or trapped by hardware - all software can run in the VM, e.g. IBM's CP/CMS, VirtualBox, VMware Workstation Hardware-assisted virtualization, CPU traps sensitive instructions - runs unmodified guest OS; used e.g. by VMware Workstation, Xen, KVM Partial virtualization, for specific applications rather than the operating system Paravirtualization, a virtualization technique that presents a software interface to virtual machines that is similar, but not identical, to that of the underlying hardware, thereby requiring guest operating systems to be adapted Operating system-level virtualization, a method where the operating system allows for multiple user-space instances (virtual hosting, chroot jail + resource management)

Hardware Virtualization Intel: Intel VT-x Some P4, P-D, Core 2, Atom CPUs AMD: AMD-v Opteron 2G, Athlon 64X2 Socket AM2 family CPUs

Applications Consolidating Servers Running Legacy Applications Testing Build Environments

Some Benefits Less Hardware Power Savings Redundancy Performance

Where does Vbox come from? Originally created by German software company Innotek Bought by Sun Microsystems, now part of its Sun xVM virtualization platform Sun Microsystems is now owned by Oracle

Supported Hosts Linux Mac OS X OS/2 Warp Windows XP, Vista Solaris Experimental BSD port

Supported Guests BSD Linux OS/2 Warp Windows XP, Vista, 7 Solaris Haiku Syllable ReactOS

Installation In Debian/Ubuntu: virtualbox-ose package Packages for various distributions available from virtualbox.org

Modules DKMS (Ubuntu, Mandrake) virtualbox-ose-source (Debian and others) Pre-compiled modules (Windows, Debian and others)

Non-free Virtualbox Available at no cost for personal, educational or evaluation use USB Support Built-in RDP server USB over RDP iSCSI support for virtual hard disks (see below) Gigabit Ethernet Controller

Setting up a VM Windows Installation VirtualBox Guest Add-ons Windows performance tips

Guest add-ons Pointer integration Automatic resolution to window size Seamless Mode

Networking NAT By default Bridge networking, Host-only also available

In Summary What is Virtualization and Virtualbox? Virtualbox Installation Configuring guest system Guest optimizations Direct3D installation

Questions?