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Description of problem:

When user (student in this case) click at: “Restart and install updates”, then computer is restarted and updates are installed during boot process. The boot screen looks exactly the same screen as during normal boot. Installing of updates can take very long (20-30 minutes). When other student come to the classroom and he or she see non-progress boot screen, then he or she usually consider to do press power off button and do hard power-off of the computer. It usually cause corruption of rpm database.

Version-Release number of selected component (if applicable):

7.x

How reproducible:

Restart RedHat 7 Desktop with "Restart and install updates"

Actual results:

Boot screen that looks exactly the same as normal boot screen.

Expected results:

Boot screen with different colour, more information about installing, may be some progress bar.

Additional info:
https://blogs.gnome.org/hughsie/2012/06/04/offline-os-updates-looking-forward-to-gnome-3-6/
https://wiki.gnome.org/Design/OS/SoftwareUpdates

I'm sorry, I was wrong about appearance of Boot screen in "update mode". It is switched to text mode after while and it shows some string "Installing updates" and text progress bar. Probably it's not enough for our students :-/.

Fast fix of my problems is to create file:

 /etc/dconf/db/local.d/01-updates

containing following configuration:

 [org/gnome/settings-daemon/plugins/updates]
 active=false

Of course, it is necessary to run:

 dconf update

You can check configuration with:

 gsettings get org.gnome.settings-daemon.plugins.updates active

Normal user should not be able to install updates.

Isn't it fixed as bug 1267949?