On Sun 10 Dec 2017 at 00:38:12 (-0800), Jimmy Johnson wrote: > On 12/09/2017 08:23 AM, David Wright wrote: > >On Fri 08 Dec 2017 at 18:30:08 (-0800), Jimmy Johnson wrote: > >>On 12/07/2017 02:31 AM, Jonathan Dowland wrote: > >>>On Thu, Dec 07, 2017 at 10:02:56AM +0000, Tixy wrote: > >>>>I'm running Jessie (with systemd running but booting with sysvinit) and > >>>>trying to execute halt/poweroff/reboot/shutdown from a terminal without > >>>>root privileges gives an error saying I must be superuser. Which has > >>>>always been my experience in 10 years of using Debian. > >>> > >>>Be careful to double check what you are testing: in your situation it's > >>>not clear whether /sbin/reboot is a symlink to systemctl (part of > >>>systemd, so I would expect this not to work if you were not running > >>>systemd as the init system) or a separate binary. > >> > >> > >>Jonathan, I started thinking about lost work where someone restarted > >>the computer while I was away from it and thought what if you can > >>lock-screen and lock access to console at the same time. Is that > >>something that could be done? Helpful? > >> > >>I know someone can pull the cord or press the power button, I got past that. > > > >I use vlock -a in a VC to lock all the consoles. I've been using > >it for years so I hadn't noticed the -n switch that allows you to > >run it in X (with switching to a VC first). > > > >You can still ssh into, and scp to, the machine while it's locked. > >AFAICT Debian's versions allow unlocking with the root password as > >well as the user's, which is handy if you forget which username > >you were logged in under when you vlock'd it. > > > > https://lists.debian.org/debian-user/2017/11/msg00951.html > > Thanks David, works great, KDE runs on VC7 I went to VC2 an ran '$ > vlock -a' and I was NOT able to switch to any other VC it was locked > with the message to press enter with passwd, if you press enter with > wrong passwd or no passwd you will be prompted for ROOT passwd. For > me that was no problem, but I can see the shock on someones face > when they don't know the root passwd and I got a chuckle out of > that. After entering the root passwd I was able to switch back to > VC7 and all was well. :)
With nothing available but the Return key, methods of giving you user/root password choice are limited. The solution is alternation: just keep pressing the Return key until you get the prompt you want. Cheers, David.
