What if I told you I found a way to kill the "Upstart" init in RHEL and CentOS 6 with just a bunch of "touch" commands? Yep, it's true. You can even reproduce it in qemu. In fact, I had to do it in there in order to get these screenshots.
Kill init by touching a bunch of files. init is a pretty big deal on a Linux box. If you manage to kill it, the machine panics. Everything stops, and if you’re lucky, it reboots by itself a few seconds or minutes later. Naturally, you’d like it to be stable and robust so that your machine …