I'm working this class up as I go, I'm afraid, and I've used the work of Mike Much, as a basis, so feel free to look at his stuff.
In the meantime, here's what you can find here:

• The syllabus.
• Week 1's lecture: Introductions
• Week 2's lecture: DHCP, DNS, and other assorted acronyms
• Week 3's lecture: Servers, Services, Laziness and nmap
• Week 4's lecture: Cabling, Backups
• Week 5 is our first test
• Week 6's lecture: Change Control, server upgrades, and CVS
• Week 7's lecture: Wire on the brain
• Week 8: Help Desk & Customer Care essentials
• Week 9: Reader's Digest guide to routing, TCP/IP
• Week 10: Test 2
• Week 11: Email, Printing, Subnet Masking
• Week 12: Backup Plans, Remote Access, Voice networks
• Week 13: Storage Area Networks
• Week 14 will be our final