Author Archive for: ‘admin’

Tutorial to Build a FloodLight SDN OpenFlow Controller Module


This how-to is a tutorial to build a FloodLight SDN OpenFlow controller module in Java using the open source OpenFlow controller FloodLight that BigSwitch open sourced to the community. The installation and class creation is documented on the FloodLight Wiki. I am adding a screencast of the installation for those who get stuck on any steps. This is just how …

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Juniper Networks at Network Field Day #4

Juniper 01

Juniper Networks at Network Field Day #4 Anchored the final day of NFD#4 organized by Stephen Foskett, Claire Chaplais and the Gestalt IT team. We had presentations on QFabric, Mykonos, Virtual Chassis and network management automation. Below are some of my reactions to the Juniper Networks presentations and technology. I definitely recommend checking out my friends posts on their blogs with their thoughts …

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OpenStack Quantum DevStack on a Laptop with VMware Fusion

Devops Sm

VMware Fusion and VMware Workstation both support nested virtualization. This is great news for folks looking to either learn OpenStack, proof new concepts or do development work without needing physical hardware. The reason nested virtualization is important is to support KVM, Xen or other hypervisors you need hardware virtualization to get hooks into Quantum and Open vSwitch that Qemu will …

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Brocade Acquisition of Vyatta

Vyatta Brocade Acquisition

The Brocade acquisition of Vyatta was announced today. On the surface Vyatta is functionality we have in today’s routers to load in VMs or on physical gear as a software router. It is complete with IGPs, EGPs, QOS, PBR, Crypto (no MPLS) and about everything else you find in a traditional router. Vyatta is not a vSwitch, it is routing functionality in x86. While being delivered …

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The Potential Impact of Software Defined Networking SDN on Security

The Potential Impact of Software Defined Networking SDN on Security is something that is quite exciting as we explore the new opportunities that are enabled by SDN. Security is a perfect spot to begin contemplating the impact of SDN use cases to the infrastructure ecosystem. The disruptive implications of software defined networking on the legacy network security industry is significant. …

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5 Useful Mac Apps – Snagit EverNote ScreenFlow Reeder and DaisyDisk

Top 5 Mac Apps

Here is a quick rundown of 5 useful Mac Apps – Snagit EverNote ScreenFlow Reeder and DaisyDisk. All of these Apps are pretty useful to me in one way or another so take a quick peek. All are available for a Mac and a few are available on both Mac and Windows. 5 Useful Mac Apps (In no particular order) …

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WireShark Install on Mac OS X

Seems like the WireShark install on Mac OS X has always been a total disaster for me. Packet capture utility are vital for developers, network and systems engineers alike. For troubleshooting or supporting SLAs it is often the only tool the defines fact vs. misconception. The WireShark installation process prior to XQuartz was long and convoluted and more often than not …

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Install WordPress on Ubuntu

Top 10 Wordpress Plugins

Install WordPress on Ubuntu and Migrate an Existing Site: This is a guide on how to install WordPress on Ubuntu and migrate and existing site to  new host or a test/dev environment. WordPress is an Open Source free package that started out as a platform for blogging and has since morphed into other more CMS like uses. Their are thousands of …

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