OpenStack Volume Management with Cinder

OpenStack Volume Management with Cinder OpenStack-Cinder is responsible for the block storage service of OpenStack. In other words, it manages the Volumes represented in the OpenStack infrastructure. It is equivalent to the Volume Management section of the Horizon dashboard. See OpenStack’s documentation for more details: https://wiki.openstack.org/wiki/Cinder Notes: Before you can start working with Cinder, you […]

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Configure a floating IP between multiple instances with Neutron

Follow these steps to configure a floating IP address between instances: 1)List your existing VMs: # nova list +————————————–+——————–+——–+————+————-+————————————+ | ID                                   | Name               | Status | Task State | Power State | Networks                           | +————————————–+——————–+——–+————+————-+————————————+ | 8acf9bce-7cb6-4d7c-8000-462fe2c8320d | test1.u1404.arahal | ACTIVE | –          | Running     | inap-16182-WAN2526=192.170.156.162 | | 0bde5aff-c573-451a-9bb2-f9f38a3b187f | test2.u1404.arahal | ACTIVE | –          […]

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Getting started with OpenStack

This article will show you how to create your credentials in order to work with our OpenStack API, either trough the Horizon dashboard, or the command line tools. Before getting started with OpenStack,  you will need to generate your token which will allow you to authenticate yourself to the API. Here is how you can […]

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Using cURL with the OpenStack API

A quick way to test drive the OpenStack API is to use the cURL(1) command line utility. cURL is a command-line tool that allows you to send HTTP requests and receive responses. The OpenStack API is based on OpenStack, which provides a RESTful API using standard HTTP methods (GET, POST, etc) and a convenient URL format. […]

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Troubleshooting with MTR procedures (Windows)

To troubleshoot network problems, you may want to complete a MyTraceRoute (MTR) report since firewalls may compromise results. The procedure is simple. Follow these steps: Generate an MTR report with Windows Download a winMTR program, such as http://sourceforge.net/projects/winmtr/ Once installation is complete, open the application. It is not necessary to install it since opening the […]

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Verifying PTR (reverse DNS) records

A reverse DNS (configured as a PTR record) is the association of a domain name with a given IP address. The standards of reverse DNS/PTR mechanism are described in the following RFCs: RFC1033 and RFC1912 Section 2.1 The best practices for servers is to have a PTR associate with each IP addresse used to send emails. The domain provided […]

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IP address request guidelines

The IP address allowance policies are managed by ARIN which manages allocation of IP resources in North America. One of ARIN’s policies obligates us to justify IP usage. Failure to provide good IP usage justification will prevent us from obtaining new IP addresses blocks. ARIN can verify at any moment if the use of the IP addresses […]

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