[Live-demo] Does your application work on the click2try GISVM?

arun.s at tecnics.com arun.s at tecnics.com
Wed Oct 14 20:20:07 PDT 2009

Hello Dane,

I just summarize what we understand after viewing mails from you and Alex.

On VM , below steps should to be done by us to fix this issue

Step1: apt-get update

Step2: apt-get upgrade

Step3: Verify proper python version.
               python-mapnik (Any specific version ?)

Step4: apt-get install mapnik
                or rerun
           sudo ./install_mapnik.sh?

step5: Any specific step to verify things are fine ?

I hope above steps should fix this issue. 

If above steps is not complete then please let me know the missing steps.

Waiting for your confirmation. 

Arun Sharma


From: "Dane Springmeyer" <blake at hailmail.net>
Sent: Thursday, October 15, 2009 12:09 AM
To: tech at wildintellect.com
Subject: Re: [Live-demo] Does your application work on the click2try GISVM? 

Just the 'apt-get upgrade' will bring in the right version of python- 
mapnik, that make available the mapnik python bindings for python2.6 
(they are already installed for python2.5).

So, not extra installation should be necessary, just updating the 
system apps with apt.

This is because this was a bug in the ubuntu packaging and therefore 
available via apt (even though mapnik was not upgraded):



On Oct 14, 2009, at 11:28 AM, Alex Mandel wrote:

> What's the next step after that?
> apt-get install mapnik?
> or rerun
> sudo ./install_mapnik.sh?
> Alex
> Dane Springmeyer wrote:
>> Well, in whatever mode works for your system run:
>> apt-get update
>> apt-get upgrade
>> Until then the Mapnik package will not be installed/available and it
>> appears that I can't do anything to help.
>> Dane
>> On Oct 14, 2009, at 10:07 AM, arun.s at tecnics.com wrote:
>>> Hello Dane,
>>> Currently the running vm has (apt-get upgrade) latest packages
>>> upgraded. This upgrades is done on the 'base' of virtual machine. 
>>> In
>>> click2try vm , if something is applied on 'base' then that is 
>>> present
>>> for running instance of vm. You might see some 'numbers of pakage'
>>> still needs to be upgraded . Its because 'app' layer also has apt- 
>>> get
>>> info (database) just like 'base' which misguides user. This
>>> misguiding information is something which we still need to work on 
>>> and
>>> will be fixed soon.
>>> If you have observed something different or specific location then
>>> please share your thoughts. we will be happy to provide you more 
>>> details.
>>> Now about error ,
>>> "dpkg: error processing gnome-power-manager (--remove):
>>> failed to delete `/etc.dpkg-tmp': read-only file system".
>>> Its because at present , if 'user' require to install any package
>>> using dpkg (or apt-get) , we require to run the vm in different mode
>>> (which is maintence mode where 'app' or base has write permission)
>>> rather then the one which its running for user mode.
>>> Does above information provides all information as expected ?
>>> Please reply in case you have more queries.
>>> Regards,
>>> Arun Sharma
>>> Click2try
>>> From: "Dane Springmeyer" 
>>> Sent: Wednesday, October 14, 2009 9:46 PM
>>> To: "Aneel" 
>>> Subject: Re: [Live-demo] Does your application work on the click2try
>>> GISVM?
>>> On Oct 13, 2009, at 4:29 PM, Tom Callaghan wrote:
>>>> Hi Aneel and Arun,
>>>> Dane is requesting that we perform an apt-get upgrade. Since you 
>>>> are
>>>> assembling all of this for production, I wanted to pass the request
>>>> on to
>>>> you. Apparently, our /etc/ap/sources.list file did not have an line
>>>> for
>>>> jaunty-updates. I was thinking that that would be best done in the
>>>> base
>>>> image, but do not know what the impact will be on the app layer.
>>> So the new line was added to the 'sources.list' but 'apt-get update'
>>> was not run on this new machine. Why not?
>>> I tried to do it myself within the running VM but after all packages
>>> are downloaded (took about 20 minutes) dpkg bails with this error:
>>> 'dpkg: error processing gnome-power-manager (--remove):
>>> failed to delete `/etc.dpkg-tmp': read-only file system
>>> Do you know why this is happening?
>>> Dane

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