2015-03-22 4:30 GMT-06:00 Peter Humphrey <pe...@prh.myzen.co.uk>: > On Saturday 21 March 2015 16:20:17 Jc García wrote: >> > Interesting. But as I said ealier, I can reboot the system when I am a >> > user by Ctrl+Alt+Delete. The user can reboot the system, but can't shut >> > down? Strange >> It's not strange, `man 2 reboot`. It's a defined behavior. > > I'm with German here. Being designed that way doesn't stop it being strange. >
I see it as a last resource available for rebooting under any circumstances( Similar to what you can do with Sysrq). > Consider: I'm an ordinary user sitting at a terminal. I'm not allowed to > halt the machine, but I am allowed to reboot it into perhaps some quite > other configuration. Or I can keep rebooting it over and again, effectively > preventing the machine from doing its job. How does that make sense? > It doesn't and that's why it's configurable, if you are in a high security requiring environment, you disable it.