My technical book collection has grown quite large, though there are only a few books I go back to time and time again. I just took Self Service Linux and Linux Kernel Development off my shelf, and am planning to re-read both books over the Thanksgiving holiday. Self Service Linux is hands down one of [...]
Having lived in a big city for the past 10-years of my life, I’ve encountered a number of unpleasant things when I’ve been out and about. A few weeks back I hit one of the most frustrating ones of my life when a nail punctured one my tires while I was running errands. This shouldn’t [...]
Brian Hall, “Beej” wrote a cool tutorial explaining all the different aspects of traditional UNIX Inter Process Communication (IPC). He provides a lot of C code where you can compile / test these concepts yourself for a better understanding. The high level concepts in this tutorial would be great material to use in conducting technical [...]
Wow, I can’t believe 999 blog entries have been posted to the prefetch blog! This blog started all the way back in October of 2004, and was a way for me to document technology as I learned it. I never thought people would actually read it, and am even more amazed that this site now [...]
I came across an awesome Q&Q where Tim Mueting from AMD described the hardware virtualization features in AMD Opteron CPUs. The following excerpt from the interview was especially interesting: “Prior to the introduction of RVI, software solutions used something called shadow paging to translate a virtual machine “guest” physical address to the system’s physical address. [...]
Linux comes with a slew of mount options, several of which are useful for locking down what can and can’t happen inside a file system. Three options I find super useful are noexec, nosuid and nodev. The noexec option disables execution for files that reside within a file system, nosuid disables execution of setuid executables [...]
