This document provides advice for system administrators (sysadmins) working in high-performance computing (HPC) environments. It discusses managing systems, which includes tidying the datacenter, prioritizing tasks, planning in advance, monitoring everything, doing backups with a sound strategy, making systems uniform, and automating as much as possible. It also covers managing people, such as educating and deploying ticketing systems for users, managing bosses by knowing their priorities and getting documentation, and using "Zen" and setting boundaries when managing yourself. Additionally, the document discusses managing projects through setting expectations, thinking long-term, avoiding vendor lock-in, and being nice to suppliers to a point. The overall message is that an H