The virt-install command line I used is below

sudo virt-install kvm ubuntu -v sudo virt-install -v -n golden-egg -r 256 --disk path=/var/lib/libvirt/images/golden-egg.qcow2,size=5 --os-type linux --os-variant ubuntulucid --force --cdrom=temp/ubuntu-10.04.1-server-amd64.iso --virt-type qemu --connect=qemu:///system --extra-args="interface=eth0 hostname=goldenegg domain=foo.internal netcfg/get_ipaddress= netcfg/get_netmask= netcfg/get_gateway= netcfg/get_nameservers= netcfg/disable_dhcp=true auto url="

The ubuntu installer is launching but it goes into interactive mode. I've set a small webserver up to serve the preseed file and verified that it is being served on the url specified. However the server doesn't get hit on VM creation and there are no errors in the VM console or anything else I am able to go by.

Any suggests on how to proceed to get this working.

4 Answers 4


The problem is you can only use --extra-args when using --location, not when using --cdrom

See: https://bugzilla.redhat.com/show_bug.cgi?id=622661


You can try to use tcpdump on your server to see if your virtual machine is actually requesting the preseed file, and you can see the URL it's using. I normally specify the url as http://server/path/to/preseed.conf


i believe you should be using preseed/url= instead of url= and you should also include preseed/url/checksum= which IIRC contains md5 of the preseed file


Try adding "priority=critical locale=en_US" to the boot arguments.

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