> > over the next several weeks, i'm teaching some courses in > > RHEL admin but (unsurprisingly) i'll be using centos 5.5. > > it's a decently-written, 3rd party course, all the generic, > > standard admin topics but it does leave me about a 1/2 day > > to throw in any cool stuff i want to add. > > so, any recommendations for neat things that people here > > have done For me: I'd want to have a closer look at things that *might* give advantages but DO bring troubles: SEL KVM And dangers such as DoS DDoS Zombie computers randomly port-scanning Internal user ignorance, apathy, malice, and mis-information about how to secure the campus network from the hostile world. A boss who does not understand what he wants, but he wants it real bad. ******************************************************************* This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error please notify the system manager. This footnote also confirms that this email message has been swept for the presence of computer viruses. www.Hubbell.com - Hubbell Incorporated**