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Questions tagged [opennebula]

OpenNebula is an open-source cloud computing toolkit for managing heterogeneous distributed data center infrastructures. The OpenNebula toolkit manages a data center's virtual infrastructure to build private, public and hybrid IaaS (Infrastructure as a Service) clouds.

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Apache2 doesn't load mod_cluster modules

I'm working on a debian jessie machine instantiated inside open nebula with kvm. I have to install jboss eap and mod_cluster, so I need to install the apache2 service. I followed the mod_cluster quick start guide and set the…
ale93p
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How to automate application installation in virtual machine?

Using Open Nebula I have instantiated several virtual machines (qemu-kvm) with the Centos 6.5 image provided by Open Nebula Marketplace. Now I would like to install more applications on VMs and run some postscripts also. Although I could do this by…
Kshitiz Bartariya
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How to create an external snapshot with virsh snapshot-create-as...?

When I try to create a snapshot with virsh snapshot-create-as one-217 snap_base "desc" --diskspec vda,file=/var/lib/one/datastores/1/2aae91bd6c04fa2db0849bc0db1342ba --disk-only --atomic There is an error occurred. error: unsupported configuration:…
Wendy
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Setting up/Using Virtual router in OpenNebula

I am trying to install and use OpenNebula and so I am pretty new to this stuff. I have installed OpenNebula 4.4 having 1 frontend and 2 Worker nodes using the guide. I can instantiate virtual machines and can SSH to them. For my network template I…
Anirudh
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How to add cookbooks from chef documentation

I am a new to chef cookbooks and currently working on a task. I have already completed the tutorial on chef.io but i am struggling to understand how can i install a cookbook provided at chef-io. So as of now, I have downloaded the cookbook. Its…
Em Ae
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Migrate form Physical to Virtualized Infrastructure

I am new to cloud computing and still trying to learn a lot of things. Say I have my data center running(Non Virtualized) some Ad Server. One day I realized that the load has increased to an unmanageable extent and since I have limited hardware, I…
anuj pradhan
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opennebula libvirt live migration failire

From the sunstone GUI I tried performing a live migration from luther to blackout but the migration failed. Kindly see below excerpt from oned.log. Thanks for assistance and leads in advance. Wed Feb 12 13:15:34 2014 [VMM][I]: Successfully execute…
user3302390
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Is there a way to modify OpenNebula log timing format?

I want to modify the granularity of the time in OpenNebula log, in order to have a format like hour:mins:sec milliseconds. I modified common_scripts.sh in which there are some functions for logging purpose but the results weren't satisfying. Any…
user3267688
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oneadmin opennebula ssh localhost

We've been trying to use opennebula to simulate a cluster but ssh is driving us crazy. For some, still unknown reasons, it is necessary that user oneadmin (created by opennebula) is able to ssh to local host. The "home" directory of opennebula…
SagittariusA
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How to configure a new host and virtual machine on opennebula?

We're using OpenNebula to simulate a simple replicated JBoss application. We've installed all opennebula packages, qemu and kvm and libvirt. We have created a simple ethernet network ad hoc between my pc (a node) and the one of my friend (which is…
SagittariusA
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Difference between gLite and OpenNebula

What is the difference between gLite and OpenNebula? I intend to differences in structure and in usage. When to use the one and when the other?
kafka
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open.db is not found in opennebula3.4.1

open.db is missing in the home location of oneadmin i.e. /var/. Because of this whenever I start open nebula Database mismatch occurs, what could be done ? any suggestions? -Linda
linvenuza
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OpenNebula host network change, lost all connectivity for VMs

I recently changed the underlying host network configuration (moving VLAN tagging from host to switch) and it seems to have completely blocked any sort of network connectivity for my VMs. I run OpenNebula 5.4.6 on Ubuntu 16.04. I have 4 physical…
Tim Jones
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How to test virtual machine performance in ubuntu 14.04?

I am using xml-rpc to integrate opennebula into my own cloud dashboard. I need to test the vm performance. Suggest me any tools to test the vm. How to do that in ubuntu14.04?
Ranjith
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Modifying OpenNebula codes

I would like to study resource allocation and management in a cloud environment and the platform that I am looking at is OpenNebula. If I would like to implement my own algorithms for load balancing, vm migration/vm assignment, which part of…
belzeebob
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