[one-users] Cannot contact server: is it running and reachable?

[Javier Fontan]

Unfortunately ruby 1.8 support was dropped in recent nokogiri
releases. You can try installing it using the ubuntu package.

# apt-get install libnokogiri-ruby

On Mon, Aug 12, 2013 at 1:34 PM,  <kenneth at apolloglobal.net> wrote:
> Hi,
>
> I tried manual install of nokogiri.
>
> user at cloud-node1:~$ sudo gem install --no-ri --no-rdoc nokogiri
>
>
> ERROR:  Error installing nokogiri:
>     nokogiri requires Ruby version >= 1.9.2.
>
> I installed ruby1.9.1-full before. Then i installed ruby1.9.3 and tried
> again with the same result. There are no ruby 1.9.2 package in ubuntu 12.04
> repository.
>
> Any more idea?
>
> Thanks,
> Kenneth
>
> On 08/12/2013 07:21 PM, Daniel Molina wrote:
>
>
>
>
> On 12 August 2013 09:26, <kenneth at apolloglobal.net> wrote:
>>
>> Hi,
>>
>> Thanks for the reply.
>>
>> * [sunstone-oned] Is the connection between sunstone-server and oned fast?
>>
>> - The sunstone server and oned is on the same physical server. I'm no
>> longer using the KVM sandbox. The front end have a dedicated machine.
>>
>> * [sunstone] Check if the nokogiri gem is installed in the physical
>> machine where sunstone-server is running, if it's not installed rexml will
>> be used by default (a bit slower)
>> - I ran install_gems and everything went was installed except for the
>> nokogiri. Here is the error. Any way to fix this?
>> rake="/usr/bin/rake" gem install --no-ri --no-rdoc nokogiri
>> ERROR:  Error installing nokogiri:
>> nokogiri requires Ruby version >= 1.9.2.
>> Error executing rake="/usr/bin/rake" gem install --no-ri --no-rdoc
>> nokogiri
>>
>> * [sunstone] Using ruby 1.9 instead of 1.8
>> - I'm running ubuntu and tried this. Notification Error is still showing.
>
>
>
> What ruby version are you using?
> Do you get the same message installing it manually?
> sudo gem install --no-ri --no-rdoc nokogiri
>
>>
>>
>>
>>
>> On 08/12/2013 03:16 PM, Daniel Molina wrote:
>>
>> Hi,
>>
>>
>> On 12 August 2013 07:52, <kenneth at apolloglobal.net> wrote:
>>>
>>> Hi all,
>>>
>>> I just installed OpenNebula a few days ago. It is running fine, but every
>>> minute or so this message appears on the lower right of the OpenNebula
>>> webmin page. It is a notification bubble. It also appears when I used the
>>> KVM sandbox from the opennebula website. Now that the front end is in a
>>> seperate physical machine, the notification still appears.
>>>
>>> "Error
>>>
>>> Cannot contact server: is it running and reachable?"
>>>
>>>
>>> Although the notification appears, all features (as far as my testing go)
>>> are working as expected. No errors yet.
>>> Should be alarmed of this message? Is there a way to remove this
>>> notification. I don't want my boss to see this notification when the cluster
>>> is in production environment.
>>
>>
>> This error appears when the browser cannot contact the sunstone-server or
>> the request takes more than expected and the timeout is reached. To improve
>> the response time:
>>     * [sunstone-oned] Is the connection between sunstone-server and oned
>> fast?
>>     * [sunstone] Check if the nokogiri gem is installed in the physical
>> machine where sunstone-server is running, if it's not installed rexml will
>> be used by default (a bit slower)
>>     * [sunstone] Using ruby 1.9 instead of 1.8
>>     * [sunstone] By default sunstone-server runs using the thin server, in
>> a production environment it's recommended to use passenger + apache/nginx
>> instead. [1]
>>     * [oned] Use mysql instead of sqlite as oned backend. [2]
>>
>> Hope this helps
>>
>> [1]
>> http://opennebula.org/documentation:rel4.2:suns_advance#running_sunstone_inside_another_webserver
>> [2] http://opennebula.org/documentation:rel4.2:mysql
>>
>>>
>>>
>>>
>>> Thanks!
>>> -kenneth
>>>
>>>
>>>
>>> _______________________________________________
>>> Users mailing list
>>> Users at lists.opennebula.org
>>> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>>>
>>
>>
>>
>> --
>> Join us at OpenNebulaConf2013 in Berlin, 24-26 September, 2013
>> --
>> Daniel Molina
>> Project Engineer
>> OpenNebula - The Open Source Solution for Data Center Virtualization
>> www.OpenNebula.org | dmolina at opennebula.org | @OpenNebula
>>
>>
>
>
>
>
> --
> Join us at OpenNebulaConf2013 in Berlin, 24-26 September, 2013
> --
> Daniel Molina
> Project Engineer
> OpenNebula - The Open Source Solution for Data Center Virtualization
> www.OpenNebula.org | dmolina at opennebula.org | @OpenNebula
>
>
>
> _______________________________________________
> Users mailing list
> Users at lists.opennebula.org
> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>



-- 
Join us at OpenNebulaConf2013 in Berlin from the 24th to the 26th of
September 2013!

Javier Fontán Muiños
Developer
OpenNebula - The Open Source Toolkit for Data Center Virtualization
www.OpenNebula.org | @OpenNebula | github.com/jfontan