By the end of 2018, I'll have spent nine weeks at one open source conference or another. Now, you don't need to spend that much time on the road learning about Linux and open source software. But you can learn a lot and perhaps find a new job by cherry-picking from the many 2019 conferences you could attend.
Sometimes, a single how-to presentation can save you a week of work. A panel discussion can help you formulate an element of your corporate open source strategy. Sure, you can learn from booksor GitHub how-tos. But nothing is better than listening to the people who've done the work explain how they've solved the same problems you're facing. With the way open source projects work, and the frequency with which they weave together to create great projects (such as cloud-native computing), you never know when a technology you may not have even heard of today can help you tomorrow.
So, I don't know about you, but I'm already mapping which conferences I'm going to in 2019.