Some weeks ago, I got the request to check parts from more than 5000 lines show inventory output for there end of live state. How to handle this at scale? My solution: parse the data using TextFSM.

With this first article, I will explain how I started learning about the topics network programmability and automation. For me, it was one of the most difficult question, because there are a lot of information out there and no direct guideline, how to get started.