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

Hello,

I do not use such configuration form, but I know, than in the classical form You must define something like

vnc=1

vncunused=0

vncdisplay=4

vnclisten=’10.0.0.1’

and in this case You will connect to the port 5904 on address 10.0.0.1.

BUT: The port specified by vnclisten is ignored if You do not specify vncunused=0 – in other cases Xen (at least version 3.1.0) will allocate the port randomly.

After You started the domain, You can see by

netstat –a –n

what ports are allocated – it there something from 5900 I think, this will be then Your port and You can try to connect to it.

Maybe this will be similar situation here...

Archie

From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of sachin goel
Sent: Friday, February 29, 2008 4:28 PM
To: xen-users@xxxxxxxxxxxxxxxxxxx; xen-api@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] Can not access VM through VNC

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