<div dir="ltr"><div style="text-align:center"> </div><div>When I try to remotely manage my virtualization on a CentOS 7 box from a remote host with vastly greater screen real estate:<br style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(225,235,242)"><br style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(225,235,242)"><br style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(225,235,242)"><span class="posthilit" style="margin:0px;padding:0px 2px 1px;color:rgb(188,42,77);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(243,191,204)">ssh -Y vishnu<br style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(225,235,242)"><br style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(225,235,242)"><span class="posthilit" style="margin:0px;padding:0px 2px 1px;color:rgb(188,42,77);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(243,191,204)">virt-<span class="posthilit" style="margin:0px;padding:0px 2px 1px;color:rgb(188,42,77);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(243,191,204)">manager<br style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(225,235,242)">authentication failure<br style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(225,235,242)">I posted this on the CentOS 7 list, because I believe it is a CentOS authentication problem, not a visualization problem. But I did not receive any response. Trying again here.<br style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(225,235,242)"> </div><div>Although, xterm works, bringing up a host terminal window on the client. So the basic X infrastructure is ok.<br style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(225,235,242)"><br style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(225,235,242)">And <span class="posthilit" style="margin:0px;padding:0px 2px 1px;color:rgb(188,42,77);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(243,191,204)">virt-<span class="posthilit" style="margin:0px;padding:0px 2px 1px;color:rgb(188,42,77);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(243,191,204)">manager works on host console. So the virtualization setup is ok.<br style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(225,235,242)"><br style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(225,235,242)">At the point <span class="posthilit" style="margin:0px;padding:0px 2px 1px;color:rgb(188,42,77);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(243,191,204)">virt-<span class="posthilit" style="margin:0px;padding:0px 2px 1px;color:rgb(188,42,77);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(243,191,204)">manager on the host console requires authentication with:<br style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(225,235,242)"><br style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(225,235,242)">Message: Authentication Required<br style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(225,235,242)">System Policy Prevents Management of local virtualized systems<br style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(225,235,242)">Displays: Username<br style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(225,235,242)">Prompts: Password<br style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(225,235,242)"><br style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(225,235,242)"><span class="posthilit" style="margin:0px;padding:0px 2px 1px;color:rgb(188,42,77);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(243,191,204)">virt-<span class="posthilit" style="margin:0px;padding:0px 2px 1px;color:rgb(188,42,77);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(243,191,204)">manager on the remote client<br style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(225,235,242)"><br style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(225,235,242)">Virtual Machine <span class="posthilit" style="margin:0px;padding:0px 2px 1px;color:rgb(188,42,77);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(243,191,204)">Manager window opens<br style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(225,235,242)">But, fails to connect to virtual machine with:<br style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(225,235,242)"><br style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(225,235,242)">Unable to connect to libvirt.<br style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(225,235,242)"><br style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(225,235,242)">authentication failed: polkit: polkit\56retains_authorization_after_challenge=1<br style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(225,235,242)">Authorization requires authentication but no agent is available.<br style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(225,235,242)"><br style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(225,235,242)">Libvirt URI is: qemu:///system<br style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(225,235,242)"><br style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(225,235,242)">Traceback (most recent call last):<br style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(225,235,242)">File "/usr/share/<span class="posthilit" style="margin:0px;padding:0px 2px 1px;color:rgb(188,42,77);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(243,191,204)">virt-<span class="posthilit" style="margin:0px;padding:0px 2px 1px;color:rgb(188,42,77);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(243,191,204)">manager/virtManager/connection.py", line 969, in _open_thread<br style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(225,235,242)">self._backend.open(self._do_creds_password)<br style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(225,235,242)">File "/usr/share/<span class="posthilit" style="margin:0px;padding:0px 2px 1px;color:rgb(188,42,77);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(243,191,204)">virt-<span class="posthilit" style="margin:0px;padding:0px 2px 1px;color:rgb(188,42,77);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(243,191,204)">manager/virtinst/connection.py", line 157, in open<br style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(225,235,242)">open_flags)<br style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(225,235,242)">File "/usr/lib64/python2.7/site-packages/libvirt.py", line 105, in openAuth<br style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(225,235,242)">if ret is None:raise libvirtError('virConnectOpenAuth() failed')<br style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(225,235,242)">libvirtError: authentication failed: polkit: polkit\56retains_authorization_after_challenge=1<br style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(225,235,242)">Authorization requires authentication but no agent is available.<br style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(225,235,242)"><br style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(225,235,242)">virtualizion host getinfo output at:<br style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:'Lucida Grande','Trebuchet MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629395px;background-color:rgb(225,235,242)"> </div><div><a href="http://pastebin.com/sxf10wLf">http://pastebin.com/sxf10wLf</a> </div>-- <div class="gmail_signature">Drew Einhorn "You can see a lot by just looking." -- Yogi Berra</div> </div>