Re: [Xen-users] Can not access VM through VNC

[Sadique Puthen <sputhenp@xxxxxxxxxx>]

Check whether the port 5953 is listening or not by running command 
"netstat -nalp | grep vnc". If no, check whether the paravirtualized 
framebuffer for the guest created via XML-RPC is started or not. You 
should see a process listening for that guest. Something as below.
/usr/lib64/xen/bin/xen-vncfb --vncport 5900 --listen 127.0.0.1 --domid 1 
--title <guest name>
What does --vncport say from your ps output?

--Sadique

sachin goel wrote:
> Hi,
>     I am trying to create a Para Virtualized Virtual Machine using a 
> linux distribution ISO. I need to create it using XML-RPCs. If, I use 
> virt-install to create VM it gives me a VNC port on which I can access 
> the machine. But, if I use XML-RPCs to create VM and then start it 
> using 'xm start <domain Name>', the machine can not be accessed on the 
> VNC port specified in the XML dump. I am pasting the XML dumps created 
> by both the methods.
> *XML dump using virt-install* 	*XML dump using XML-RPC and then 'xm 
> create'*
> /<domain type='xen' id='50'>
>   <name>virtGVM</name>
>   <uuid>5d183c21cd6b4479631d6a48c66d1402</uuid>
>   <os>
>     <type>linux</type>
>     <kernel>/var/lib/xen/vmlinuz.7RrTxy</kernel>
>     <initrd>/var/lib/xen/initrd.img.PFqBRY</initrd>
>     <cmdline> method=nfs://server-1//:/tmp/isoMounted  </cmdline>
>   </os>
>   <memory>262144</memory>
>   <vcpu>1</vcpu>
>   <on_poweroff>destroy</on_poweroff>
>   <on_reboot>destroy</on_reboot>
>   <on_crash>destroy</on_crash>
>   <devices>
>     <interface type='bridge'>
>       <source bridge='xenbr0'/>
>       <mac address='00:16:3e:1f:a8:18'/>
>       <script path='/etc/xen/scripts/vif-bridge'/>
>     </interface>
>     <disk type='file' device='disk'>
>       <driver name='file'/>
>       <source file='/tmp/DVDISO/disk.img'/>
>       <target dev='xvda'/>
>     </disk>
>     <graphics type='vnc' port='5900'/>
>     <console tty='/dev/pts/3'/>
>   </devices>
> </domain>/        /<domain type='xen' id='53'>
>   <name>IsoDomain</name>
>   <uuid>39788665d9e8106c933a34253b6be92e</uuid>
>   <os>
>     <type>linux</type>
>     <kernel>/OVS/isoMounted/images/xen/vmlinuz</kernel>
>     <initrd>/OVS/isoMounted/images/xen/initrd.img</initrd>
>     <cmdline>method=nfs:server-1:/OVS/isoMounted</cmdline>
>   </os>
>   <memory>262144</memory>
>   <vcpu>1</vcpu>
>   <on_poweroff>destroy</on_poweroff>
>   <on_reboot>restart</on_reboot>
>   <on_crash>restart</on_crash>
>   <devices>
>     <interface type='bridge'>
>       <source bridge='xenbr0'/>
>       <mac address='00:16:3e:38:88:e4'/>
>       <script path='vif-bridge'/>
>     </interface>
>     <disk type='file' device='disk'>
>       <driver name='file'/>
>       <source file='/OVS/DVDISO/disk.img'/>
>       <target dev='xvda'/>
>     </disk>
>     <graphics type='vnc' port='5953'/>
>     <console tty='/dev/pts/3'/>
>   </devices>
> </domain>
> /
>
>
> /  
>  /                  Finally, I need to create the VM's using XML-RPCs 
> and access it on VNC. Any pointers ?
> Thanks,
> Sachin.
> ------------------------------------------------------------------------
>
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