Thursday, October 16, 2014

OpenStack icehouse installation error : nova-api service getting stopped

Posted by at 11:15 PM
While trying to install OpenStack icehouse, faced an issue with nova-api service.It was not getting started. The following error was coming...

Tuesday, September 2, 2014

OpenStack: Restrict instance deletion

Posted by at 5:00 AM
In OpenStack, by default users who are members of a  tenant can delete all instances in that tenant, even if it is spinned up by other user...

Monday, September 1, 2014

OpenStack : Assign floating IP using heat template

Posted by at 2:13 AM
Creating Yaml templates that assign floating IPs to your instances being spawned can be a bit tricky.Let us look at a scenario where we nee...

Friday, August 29, 2014

OpenStack monitoring: Zabbix Ceilometer proxy installation

Posted by at 3:53 AM
Recently a Ceilometer proxy for Zabbix was released by OneSource. This proxy will pull all the instance information from OpenStack and popu...

Friday, August 22, 2014

Agentless openstack monitoring using zabbix

Posted by at 11:34 AM
Zabbix can be a tough cookie to crack!! And if you are planning to monitor Openstack using Zabbix, there is lot of additional work to be do...

Thursday, August 21, 2014

Tech tip: Increase openstack project quota from command line

Posted by at 12:41 AM
1. List the keystone tenants and search for the required tenant keystone tenant-list |grep <tenantname>  Note the id of the tenan...

Wednesday, August 13, 2014

Instances goes to paused state in Openstack Havanna

Posted by at 11:18 AM
Issue:  All instances in openstack will be in paused node. You will not be able to create new instances or switch on any of the paused in...

Openstack havanna neutron agent-list alive status error

Posted by at 11:08 AM
In some scenarios, the openstack neutron-agent status will show as xxx even though you could see he neutron agents services are up and runn...

Friday, July 25, 2014

Ubuntu 12.04 P2V conversion using non-root user

Posted by at 5:21 AM
Ubuntu P2V conversion is not as straight forward as other Linux machines with a root user. This is because we use a non-root user by defaul...

Monday, July 21, 2014

Tech tip: Create separate routing table for multiple nics in Ubuntu

Posted by at 12:39 AM
Scenario: 2 nics in Ubuntu machine, requirement to assign IPs from different VLANs to each of these interfaces, access from outside world t...
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