FAQ
I don't usually install a graphical environment on my servers, so I don't
usually use virt-manager. However, I recently put CentOS 5 on my Dell
Latitude D820. It has hardware virtualization support, 4G RAM and a 500G
HD, so I can carry a virtualization lab around with me.

I found the trick of getting a non-active xen VM to show up in
virt-manager's list by using virsh edit <VM> and changing the amount of RAM,
so that was cool.

I'm trying to use virt-manager to manager my other xen based
virtualization servers, but I'm unable to successfully connect to them. I
am able to connect to the other servers with
virsh --connect=xen+ssh://vsrv/, though, so I'm assuming it has something to
do with virt-manager. I haven't, yet, found any debug mode, so I'm hoping
someone on the list has some suggestions for me.

Please, give me some hints as to where to go next in trouble shooting
virt-manager connecting to a non-local xen server.

Is there a debug mode that I'm missing?

--------------------
Ed Heron

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  • Christopher G. Stach II at Apr 22, 2010 at 4:28 am

    ----- "Ed Heron" wrote:

    I'm trying to use virt-manager to manager my other xen based
    virtualization servers, but I'm unable to successfully connect to them. I
    am able to connect to the other servers with
    virsh --connect=xen+ssh://vsrv/, though, so I'm assuming it has something to
    do with virt-manager. I haven't, yet, found any debug mode, so I'm hoping
    someone on the list has some suggestions for me.

    Please, give me some hints as to where to go next in trouble shooting
    virt-manager connecting to a non-local xen server.
    Make sure you're running as root (real root) on your local machine. (``su -'' should work.) After that, run virt-manager and, since it's already working for you, configure the connection to use xen+ssh. On the remote side, at least to get it up and running, ensure that PasswordAuthentication and PermitRootLogin are turned on for SSH and that you don't have any funny business going on in root's authorized_keys (forced commands come to mind.) After that, it *should* work. If it doesn't, check your audit log and see what SELinux is doing with SSH. Also, you can run virt-manager in a terminal on the local side so you can check the output. You may get X11 authentication errors, but probably only if you're not running as root locally.

    --
    Christopher G. Stach II
    http://ldsys.net/~cgs/

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postedApr 21, '10 at 8:23p
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