Before you even give a presentation, there are a few things you have to do: .:: edabit.com ::.
Choose a topic.
Submit your topic to a show to LUG. (and get it accepted!) .:: www.arc.agric.za ::.
Create presentation from the topic.
Give the presentation.
Contrary to poular belief, each of these may be as hard as all the others. Choosing a topic for some may be easy, based on their expertise, whereas a Linux jack-of-all-trades may be stuck choosing a topic. Those comfortable with public speaking may have trouble designing the slides, and so on. [Open Source Search algorithm] .:: writeablog.net ::. [MDN Docs: CentOS]
So let's jump right in and hit all the topics and get you started! .:: aboutnursernjobs.com ::.