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I'm new to KVM. I use the following way to create and start a guest KVM machine.

qemu-img create -f raw centos.img 100G
/usr/libexec/qemu-kvm -hda ./centos.img -cdrom /usr/local/CentOS_5.6_Final.iso -m 1024 -smp 1 -boot d
/usr/libexec/qemu-kvm -hda ./centos.img -m 1024 -smp 1 -boot c

When the login page appears, everything seems right.

enter image description here

When I log into the system, it show me like this. Note the following image shows what I saw when I just log into the system, without move my mouse or press a key. enter image description here

Take a closer look. enter image description here

When I click the left mouse button, it shows me this menu. enter image description here

Anyone can help me with my problem? How to fix the graphics in the guest machine?

Thanks in advance.

share|improve this question
up vote 3 down vote accepted

It looks like you've installed X, but haven't installed any desktop environments (Gnome, KDE, XFCE, LXDE, etc), so you're getting the minimal bundled window manager.

share|improve this answer
Yep, it's twm: xwinman.org/vtwm.php – rvs Aug 10 '11 at 18:33

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