-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On Mon, Jan 04, 2016 at 12:16:03PM -0500, Gary Dale wrote: > On 04/01/16 10:55 AM, Floris wrote: > >Dear list, > > > >Often there are multiple users working on my multiseat [1] system, > >some of them are kids and they are not paying attention if someone > >else is logged in. They can shutdown the computer even if someone > >else is logged in and have an active session. > > > >Is it possible that only root can shutdown/ reboot the computer if > >multiple users are logged in and when there is only one user that > >user is able to shutdown the computer? > > > >Thanks, > > > >Floris > > > >[1] https://en.wikipedia.org/wiki/Multiseat_configuration > > > /sbin/reboot is a link that allows anyone to execute it. It points > to /bin/systemctl that also allows anyone to execute it. The first > part of your problem can be solved simply with fixing the > permissions for reboot, shutdown & poweroff.
Dunno about systemctl, but FWIW you can't change the permissions of a symlink. It's always "all on". regards - -- tomás -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iEYEARECAAYFAlaKqF0ACgkQBcgs9XrR2kadZACfRLyCoHjH+KQ6bwKMrpKiBiS8 i6oAniURn3PkdfoMZTVBkDpsdjEmqo+g =P6i8 -----END PGP SIGNATURE-----
