Another critical linux vulnerability hits the road. Not looking forward to updating and rebooting a couple of hundred servers
Ops work can be a bit clunky when it comes to using version control. It's worth getting to developer level expertise to make the most of Git in an ops environment.
Good post from Netflix's engineering team on how it manages its viewing data
Free training on Hadoop. The data science side of this won't be much use to me but the stuff on basics and administering hadoop would be cool.