On the desktop system, run ip addr

Also run it inside the virtual machine.

There should be an address that starts with the same bytes.  Use the value from 
the desktop as ‘vm.host’

From: Nora D [mailto:uniqu...@live.com]
Sent: Saturday, March 04, 2017 8:35 AM
To: xCAT Users Mailing list
Subject: Re: [xcat-user] vm2: Error: Cannot communicate via libvirt to 127.0.0.1

How can I do that?

On Mar 4, 2017, at 4:26 PM, Jarrod Johnson 
<jjohns...@lenovo.com<mailto:jjohns...@lenovo.com>> wrote:
What is the address of your desktop relative to the xcat master?

xCAT master reaching out to 127.0.0.1 will address the virtual machine itself, 
rather than your desktop.

From: Nora D [mailto:uniqu...@live.com]
Sent: Saturday, March 04, 2017 8:21 AM
To: xCAT Users Mailing list
Subject: Re: [xcat-user] vm2: Error: Cannot communicate via libvirt to 127.0.0.1

I didn't get your answer can you elaborate please what should I do?

I have xCAT on a master VM not on the hypervisor which is my localhost machine.

The issue is frustrating me please help me.


Sent from my iPhone

On Mar 4, 2017, at 4:18 PM, Jarrod Johnson 
<jjohns...@lenovo.com<mailto:jjohns...@lenovo.com>> wrote:
Nodels vm2 vm.host

Note you do not need xcat on the hypervisors, you anly need it in one place.

From: Nora D [mailto:uniqu...@live.com]
Sent: Saturday, March 04, 2017 2:56 AM
To: xcat-user@lists.sourceforge.net<mailto:xcat-user@lists.sourceforge.net>
Subject: [xcat-user] vm2: Error: Cannot communicate via libvirt to 127.0.0.1


I have Ubuntu 16 LTS (Desktop) as my local host machine. I installed KVM to 
create virtual machines.

I have 3 virtual machines; one of them is acting as a master node to control 
the other slave nodes (xCAT installed in the master node to control the slaves).

When I try to rpower off a slave node from the master node, the following error 
occurs:

vm2: Error: Cannot communicate via libvirt to 127.0.0.1

When I researched there were many probabilities that may cause the issue: 
unauthorized ssh, firewall, ports, etc.

I tried a lot of things but I felt lost and I'm just a beginner to the 
open-source world. Can someone help me please with exact details and specific 
commands?

Also, is there any way that I can reset my libvirt settings to the default 
settings? Because I think I messed up some stuff which made the libvirt service 
won't start.

Please help me ASAP.

Thanks.
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