Thursday, March 15, 2007

A look at Linux and ulimit

An overview/tutorial on using ulimit with Linux is now posted on CertCities at The ulimit utility allows you to limit almost everything in Linux except disk storage (for which purpose quota is used).


Test Your Knowledge on Ethernet

A sample quiz of 50 questions on Ethernet-specific and networking-generic questions is now posted on UnixReview and can be found at The answers appear at the end of the quiz.


Thursday, March 08, 2007

Network+ Review

The absolute best product that money can buy for Network+ self study is The Ultimate CompTIA Network+ Resource Kit. As powerful a statement as that is, it has been a long time since I have been so impressed by a product and a review of it can be found at:

Digital Shortcut Review Posted

A review of the new Cisco Firewall entry in the Digital Shortcuts series is now posted at