NETS1028
Links for security design topics
Security Design vs. Security Architecture
Handling CTRL-ALT-DEL on Ubuntu - can be found on Ubuntu documentation website
Grub boot loader configuration
Service control under init and inetd
Linode’s Advice on Disabling unnecessary services
Access Control Models
Linux Account Password Policy Options
Disk Encryption Thoughts from Linux Journal
Linux disk encryption tools
Forum discussion on the value of full disk encryption in the enterprise