Hacker School Day 52 – Kernels, Magic, and Docs It’s the last day of Hacker School! I recompiled a kernel to take out the part I didn’t understand and it still worked.
Getting Process Invocations: The Hard Way I wrote a tool to get the invocation of a process by stealing it from the process’s stack.
Hacker School Day 40 – Making pstree Faster/Ugly – Globbing The final optimization for the pstree clone was to replace file globbing with readdir and a custom isInt function.
Hacker School Day 40 – Making pstree Faster/Ugly – No Regex I made my pstree clone faster by swapping the regex with string functions. I dived in kernel code for more ridiculous things.
Hacker School Day 39 – pstree and Weird /proc Behavior I made a pstree clone and found weird behavior in /proc
