[one-users] noVNC problems AND question about VM images [OpenNebula 3.2.0 on openSUSE]

biro lehel lehel.biro at yahoo.com
Sat Mar 10 07:25:22 PST 2012


Hello again, 

First of all, thank you for all your feedback and help so far, it's been immense! Also, Hector, you
 were right in the previous email, the monitoring info is now fine, after I started the oneacctd daemon (I simply forgot to restart it after some continuous reboots, stupid me). That single error message with the earlier timestamp
 is still there, but it doesn't seem to bother, so I guess it is not crucial.

My current issue is the following: I managed to create a VM using the ttylinux image provided by you, and following the documentation at [1]. Everything went fine, the VM reached its running state, and I managed to passwordlessly ssh into it. However, I wanted to try the noVNC functionality, since I would probably use (at least) a graphical console to my VM's in the future. I installed noVNC with install_novnc.sh (succeeded), added the necessary GRAPHICS section to ttylinux.one template: 

GRAPHICS=[ 
  LISTEN=0.0.0.0,
  TYPE=vnc ]

, and recreated the VM. As expected, the VNC icon turned active in Sunstone, however, clicking on it resulted in the following error message:

WebSock error: Illegal basic compression received, ctl: 96

I'm not sure, but I guess I have to make some kind of
 VNC-related
 configurations
 on my host machine, but I didn't want to do anything drastic (and also, I have to leave the computers soon), until I ask for your opinions. The firewall on my host is disabled. Any suggestions about what shall I do?


Also, and more importantly: my current set-up with the ttylinux VM went smoothly and without errors. However, in the future, I want to use VM's that use other images (preferably, a fresh openSUSE 12.1 -or 11.4- install image). And, it mind sound like a 'noob' question, but I'm not sure how exactly these image files are created, so that at the end I obtain something like an openSUSE_<version>.img file.
So, my question is, what should I do, in order to obtain the respective image file, that I would be able to use like the provided ttylinux.img file? Do I have to create it
 somehow, or are there other method to get/download it? I do have an installation DVD for both 11.4 and 12.1 versions, if it helps. Also, does the created VM need to have something specific installed / some specific configurations done BEFORE the VM deployment (I mean the way in which the image file is created), or any simple "fresh" (empty, basic) install image will do?

Since my two main questions are unrelated, I would gladly accept any suggestions or opinions on any of them.

Thank you, and have a great weekend,
Lehel.

[1] http://opennebula.org/documentation:rel3.2:vmg
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