Michael Wadman

My thoughts and experiences with all things network

OpenStack Lab Network - Switch Configuration (Part 3)

Configuring routing on Cumulus switches with Ansible

Overview This post is the seventh in a series that plans to document my progress through installing and configuring an OpenStack Lab, using Cumulus switches for the network. For other posts in th...

OpenStack Lab Network - Switch Configuration (Part 2)

Configuring the Interfaces of Cumulus switches with Ansible

Overview This post is the sixth in a series that plans to document my progress through installing and configuring an OpenStack Lab, using Cumulus switches for the network. For other posts in this...

OpenStack Lab Network - Switch Configuration (Part 1)

Starting the configuration of Cumulus switches with Ansible

Overview This post is the fifth in a series that plans to document my progress through installing and configuring an OpenStack Lab, using Cumulus switches for the network. For other posts in this...

Ansible - Firewalld Module on Ubuntu

Getting Ansible firewalld tasks working on Ubuntu based systems

Overview When trying to run an Ansible “firewalld” task on an Ubuntu machine recently, I received the following error: TASK [Firewalld Task] ************************** fatal: [vagrant-test]: FAIL...

Python Virtualenv for Dummies

Installing pip packages without breaking your system

Overview Recently I was trying to write a script that had dependencies on pip packages. Now, I am fortunate enough to know that it’s a bad idea to install pip packages globally (especially using s...