On a train this morning, I read Ivan Pepelnjak’s Twitter stream (because what else is there to do whilst relaxing with a coffee?

I hear people talk about leaky abstractions all the time. I’m not sure that some of the people that use it have researched the term.

Part three introduced the first three key skills. This part presents the introduction to the last three core skills and a call to action.

Part three! Let’s get straight to business and carry on where we left off from part two.

This article is number two in a series. The first part can be found here.

This is the first post of a series on the persona between “network engineer” and “developer”.