Reposted from my OPW days
WARNING: Do your research and make sure you know what you’re doing. The commands found in this article could seriously affect your machine and I print them here with no warranty. I am not responsible for your bricked hardware. The information contained here is for entertainment and historical purposes only. You have been warned.
I, like many other people, enjoy changing the scenery from time to time and working on a laptop. Now, since I work on kernel drivers, I face some unique issues sometimes when working remotely that you just wouldn’t think about when doing application development or web development. One such issue, and the subject of this article is the problem of hanging on reboot.
tl;dr - If you’re unsure whether your machine is going to reboot properly while you’re working remotely, echo as root the characters r, s, u, b separated by a few seconds
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