15 comments on “About

  1. Hi Kevin,

    Thanks for sharing your wisdom. Without your insights, we would just not be able to make sense of OpenStack. Your scripts have started us off on the right track.

    Kind regards,
    Euan Jonker

  2. Hi Kevin,

    Thank you so much for posting the http://vimeo.com/39299140. I followed your video instruction, everything installed accordingly but I had an error when I was trying to access the Images and Snapshots in the OpenStack’s Dashboard. The errors are as follows:
    Error: Unable to retrieve images.
    Error: Unable to retrieve snapshots.

    Also, under Object Store->Containers, I got this error:
    error at /nova/containers/

    [Errno 111] Connection refused

    Request Method: GET
    Request URL:
    Django Version: 1.3.1
    Exception Type: error
    Exception Value:

    [Errno 111] Connection refused

    Exception Location: /usr/lib/python2.7/socket.py in create_connection, line 571
    Python Executable: /usr/bin/python
    Python Version: 2.7.3
    Python Path:


    Server time: Sun, 29 Apr 2012 10:58:40 -0700

    Please help when you can. Thanks!

    — Jeff Vu

  3. Hi Kevin.
    I have tried your install scipts. It works great for single node but for multi-node (one controller and one compute) fails script doesnt fail as such but always hit Remote error: NoMoreNetworks. I have made sure the network interfaces are configured correctly for public and private. I am using Qemu.

    Please let me know if you need more ifnoramtion

  4. For controller: ./OSinstall -T controller -p eth2 -F -f -t demo -v qemu

    For compute: ./OSinstall -T compute -p eth2 -C -F -f -t demo -v qemu

    There is one more bug in script as well.. line number 415 (CC_ADDR=””) that needs to be deleted out

  5. I also think.. you need this line in controller instead of what is out there now. It works once I changed it to what is shown below.

    nova-manage network create vmnet –fixed_range_v4=${VMNET} –network_size=${NETWORK_SIZE} –bridge_interface=${PRIVATE_INTERFACE}

  6. can you also delete line 64 in keystone-services.sh.. this is making -M flag to error. Also, in OSinstall.sh you may want to consider removing DB creation. It errors as well

  7. Hi Sir,

    Kindly installing openstack..
    and stuck on this issue :

    Error: Unable to retrieve images.
    Error: Unable to retrieve snapshots.

    When accessing Horizon, but when running on CLI everything is fine

    How to probe and fix it manually?
    Thank you so much 😀

    Btw, nice, elegant, and useful site 🙂

  8. Hi Kevin,
    I installed Openstack with your video-tutorial.
    Everything is fine up to the step, where i want to start an image. In the OpenStack-Dashboard it is shwon as “running” but when I open the vnc-view, there comes the message “disconnected from server”.
    I tried some other images, too, without success.

    Do you have an idea, what the problem could be?

    Best regards from Germany,

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