Running virt-install without X
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Running virt-install without X
by Keith Edmunds-2
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New to list. I couldn't find a searchable archive of this ML, so
apologies if this has been asked before (feel free to flame me, but please include a pointer to where I can find the answer). I've been looking at KVM virtualisation recently. I want to use it on a hosted server without X installed, and I want to be able to create new (Linux) guests from the command line. virt-install lets me kick off an installation, but everything I've tried so far needs a graphical terminal of some sort to carry out the text-based (Debian Lenny) installation. Once the installation is complete, I can use 'virsh' to connect to the serial console and that works fine. I suspect the key is in virt-install's '--nographics' option, but I can't seem to connect to the console to carry out the installation after using that option. Can anyone shed some light? (Just to be clear: I want to do everything via an ssh session, so no VNC, etc). Thanks, Keith _______________________________________________ et-mgmt-tools mailing list et-mgmt-tools@... https://www.redhat.com/mailman/listinfo/et-mgmt-tools |
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Re: Running virt-install without X
by Keith Edmunds-2
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bodhi zazen <bodhi.zazen@...> wrote:
> First is virsh I didn't realise I could create a new guest from virsh, so that may be helpful: thank you. Could you give me a sample command line that will boot from an ISO image and start the guest installation? > Second is to run kvm directly from the command line. You then use the > option -vnc :0 I explicitly stated that I didn't want to use X anywhere, including vnc, so that option won't work. > Third is to use one of several web interfaces (Personally I advise > Proxmox, there are others). Thanks again. I Googled Proxmox: it seems to be some kind of commercial anti-spam gateway with a "free" "lite" version. Not sure how that fits in to creating new guests on a KVM server. Also, it would seem to require X as it requires a web interface. Yes, I'm aware of links et al, but I don't really need them to install Linux. I don't think I've explained what I'm looking for very clearly, for which I apologise. Let me give a practical example. I'd like to ssh to a remote host, not running X, and download the latest Debian installer .iso. Debian has a text-mode installer. I'd like to create a new KVM guest on that server and "boot" the Debian iso and have the text-mode installation output come up in the ssh session, or at least have it accessible from the ssh session. Once the installation is complete, I can boot the guest into Debian proper. I can do almost all of that today; however, I use virt-install and it pops up a window containing the text-mode, character-based installation. I just need to redirect that so that instead of going to a separate window, the text mode installation is accessible directly from the ssh session. My suspicion was that virt-install's '--nographics' mode would be the clue to achieve what I want, but I've not been successful. Thanks for taking the time to make suggestions. Keith _______________________________________________ et-mgmt-tools mailing list et-mgmt-tools@... https://www.redhat.com/mailman/listinfo/et-mgmt-tools |
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Re: Running virt-install without X
by Cole Robinson
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(cc'ing virt-tools-list, since et-mgmt-tools is being discontinued)
Keith Edmunds wrote: > New to list. I couldn't find a searchable archive of this ML, so > apologies if this has been asked before (feel free to flame me, but > please include a pointer to where I can find the answer). > > I've been looking at KVM virtualisation recently. I want to use it on a > hosted server without X installed, and I want to be able to create new > (Linux) guests from the command line. > > virt-install lets me kick off an installation, but everything I've tried > so far needs a graphical terminal of some sort to carry out the > text-based (Debian Lenny) installation. Once the installation is > complete, I can use 'virsh' to connect to the serial console and that > works fine. > > I suspect the key is in virt-install's '--nographics' option, but I > can't seem to connect to the console to carry out the installation > after using that option. Can anyone shed some light? > You need to set up the install to go over serial console. The easiest way to do this is to install from URL (or mount an install dvd and point to the directory) with --location. You can then use the --extra-args parameter to pass arguments to the boot kernel: something like console=ttyS0 should set up a text console. Not sure if the debian installer needs extra args to force it into text mode, might want to check out: http://www.debian.org/releases/stable/i386/ch05s03.html.en#installer-args > (Just to be clear: I want to do everything via an ssh session, so no > VNC, etc). Well, you can do ssh with X forwarding, but my guess is that's not what you meant. - Cole _______________________________________________ et-mgmt-tools mailing list et-mgmt-tools@... https://www.redhat.com/mailman/listinfo/et-mgmt-tools |
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