If this is the case with your distribution, the VMware graphics card is a good choice. The matching open source graphics drivers are available out of the box with some Linux distributions. vmvga: This graphics card has been used for many years by various VMware products.You need to set up the Vesa driver explicitly in nf ( Listing 1). The graphics card is correctly detected on Windows, but some manual configuration work is necessary on Linux. vga: The benefit of this virtual graphics card is that it supports far higher resolutions (tested up to 2560x1600 pixels).However, the maximum resolution is 1024x768 pixels. cirrus: This graphics card is correctly detected by just about any guest system and offers acceptable speed with no configuration overhead.In combination with KVM, you have a choice of four models: The Virtual Graphics Adapterįor the virtual machine to see a graphics system, QEMU emulates a graphics card. One alternative to VNC, however, is the new Spice protocol, which promises superior speed and a number of additional features. VNC is the standard choice for a remote desktop protocol it is widespread beyond the world of Linux and causes the least problems in production use. If you need a resolution above 1024x768 pixels, other virtual graphics cards are available however, on Linux guests, this setup often means a manual X configuration.Īdditionally, you must consider which protocol you should use to transfer the graphical data from the virtual machine to the client. By default, a (legacy) Cirrus graphics card is emulated. For one thing, KVM needs to provide a graphics adapter to the underlying QEMU system on the virtual machine. For graphical output to work on KVM-based virtual machines, several pieces of a puzzle need to fit.
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