*       Machine life cycle
*       OS Installation Strategies
*       Desktops vs Laptops
*       How to keep the system running during failures
*       Designing a solid service
*       IP vs MAC
*       Bootloader, GRUB
*       LVM (slide 14)
*       File System
*       Storage management layers
*       Mounting
*       File permissions
*       Systemd (what it is?)
*       Help desk

Plus HW question topics

Here are some possible questions too:

       Why is it important to keep documentation?

       What is machine life-cycle? Why would a machine retire?

       Do you agree that initialization of operating system and app installation should be automated? Explain why.

       Why should a sysadmin use hot-swap components if they will increase cost?

       Why is it better to use shutdown command than turn off the power on hardware?