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I followed the directions at this question: Installing KVM on CentOS 6.4 without GUI (yet)

But I'm not sure which feature (there are many!) of MobaXterm I should use to connect to the KVM. On the CentOS box I ran sudo service libvirtd start okay, but what does that mean now? Is it running a VNC server listening on 5900? Or an X server on some other port? (I.e., I assume I'll need to modify iptables to be able to connect, but which port should I be opening?) Also I'd like to leave SELinux enabled, so I assume I'll need to do something with semanage as well.

If it is running VNC server at this point, I'm sure I can fix iptables, and maybe figure out SELinux. If it's running X, maybe I can too, but then in MobaXterm I'm not sure which service tool I'd use--I don't see one called 'X Server' unlike the one called 'VNC'.

Also, will I be able to connect successfully (even if there's nothing to see) if I haven't yet managed to actually install a VM?

  • why not simply use virt-install without a UI? – dyasny Jul 11 '13 at 15:41
  • @dyasny, because I'm trying to put Windows on the VM. – Kev Jul 11 '13 at 16:57
  • service libvirtd start means it starts daemon process named libvirt which is for managing your all qemu-kvm processes, virtual network like bridge and iptable rules, and volume storages. then you can manage your virtual machines via a series of virsh commands. – shawnzhu Sep 14 '13 at 9:04
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For every VM, that is properly configured, qemu-kvm starts a VNC or spice listener. The port and security are defined in the libvirt VM definition file (virsh edit VMNAME will give you access to that) Once the VM is running, you can access the VM console directly using a VNC or SPICE client, no need to jump through hoops with X redirection

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