Greetings,
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On 11/10/2010 06:46 PM, compdoc wrote: If I am running a windows client, I would run something like Ultra VNC server. And on my host, communicate with something like krdc. Am I correct?
There are a few ways to do it.
If I'm on a Linux box (which I am 99.9% of the time), I ssh -X into the host running the KVM virtual machines, and run "virt-viewer {vm-name}" and a graphical display of the machine pops up. If I just want text access, I ssh into the VM directly. If I want to run just one graphical app, I might ssh -X into the VM.
If you are on a Windows client then you can use an ssh client (PuTTY for example) or if you want the GUI stuff, you can install an Xserver app on Windows and tunnel the X traffic over ssh. A nice free Xserver for Windows is Xming.
If you would prefer to run a remote display protocol server inside of the VM and connect with that you can install vnc-server or No Machine's NX server. NX is a ton faster but the free version (not open source but free of charge) limits you to two user connections which is plenty for most people on a server. Then you install the vnc-client or NX client on your Windows box and use that to connect to the remote display server in the VM.
How do you start and stop your headless machines?
You can use virt-manager if you have GUI access to the host or you can use the command line tool virsh. For example:
virsh list --all (Shows all VMs on the host and shows their status) virsh start {vm-name} (Starts a VM) virsh shutdown {vm-name} (Shuts down your VM)
You really should check out Red Hat's Virtualizaiton Guide. They have a book quality guide that explains KVM, virt-manager and virsh.
http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/5/html/Virtualiza...
RHEL6 just came out today and they have greatly enhanced virt-manager and KVM... and you can expect a CentOS 6 release in 1 - 2 months... or so goes the pattern. If you want to see what KVM is like in RHEL6 you can check out their updated Virtualization Guide:
http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html/Virtualiza...
TYL,