I just finished the LibreOffice Impress presentation I’ll be using when I give my first Linux Sysadmin 101 talk at IT-ology this weekend. The hardest part is always making graphics!
It’s licensed Creative Commons non-commercial share-alike; if you’d like a copy, you can grab one here: https://jrs-s.net/linux_sysadmin_101/linux_sysadmin_101.odp (ODP, 2.4MB)