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Re: Where best to start



Thank you very much for this input, Dave. It has allowed me to progress to the next step.

By using 'ifconfig' and after re-booting my m/c a few times to make sure that I could still access the internet, the command you showed me produced...

brctl show
bridge name     bridge id               STP enabled     interfaces
docker0         8000.0242296ec6a6       no              
xenbr0          8000.861cdc1ac12c       no              enp0s25

I only issued the command that you gave me, so presumably the bridge was created by the config.yaml file on boot-up?

I don't know where 'docker0' appeared from but hopefully this will not interfere with the progress of the installation of a HVM.

  Thank you again,
           Martin...


On 01/06/2020 22:36, Dave Hill wrote:
I'm not a Ubuntu user so can't help there but the first thing I would do generically is check that the bridge is working:

brctl show

should yield something like this:

     bridge name bridge id               STP enabled     interfaces
     xenbr0          8000.4ccc6ad1847d       no enp2s0

As for a tutorial, I'd suggest at least having a look through the Xen Begginers Guide:

https://wiki.xenproject.org/wiki/Xen_Project_Beginners_Guide

It's dated (in particular, I wouldn't follow the advice there for building a PV Debian guest), but it contains the essentials to get Xen working generically.

Also, since your network stopped working, I'd go back and check that your netplan configuration matches the one in the link you sent. The key is that dhcp is not enabled on the ethernet card (eth0 or enps0 or whatever), but rather on the bridge.

David

On 2020-06-01 3:06 a.m., Martin Hargreaves wrote:

Dear Xen Community,

I’m new to the field of virtualization so please excuse this request if it is placed on the incorrect forum.

I am running Ubuntu 18.04 and following the instructions on...

https://help.ubuntu.com/community/Xen

and not getting anywhere fast. I found out that the above instructions are out of date for Ubuntu 18.04, because the networking has been implemented differently

https://askubuntu.com/questions/1171864/how-to-install-xen-project-on-ubuntu-server-18-04-3-lts

However, when I make this change my machine can no longer access the internet.

I have searched on https://xen.markmail.org/ but not really found a clear answer to my question:

Please can anyone let me know the best way to get Xen up and running on Ubuntu? Should I try to put Ubuntu 16.04 on my m/c and then follow the instructions given?

And for the best tutorial? I have seen that there is “The Definitive Guide to the Xen Hypervisor” by David Chisnall (2008) and “Running Xen: A Hands-on Guide to the Art of Virtualization” by Jenna Matthews et. Al (2008) but will these help with installing and using the current version?

  Thank you for any insights that anyone may have.

    Martin...




 


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