Tkinter and root vs. Wayland
On 5/22/2018 5:52 PM, Grant Edwards wrote:
> For a couple decades now, I've been distributing a couple smallish
> Tkinter applications that need to run as root for a variety of reasons
> (raw Ethernet access, starting/stopping daemons, loading and unloading
> kernel modules, reading and writing config files that are owned by
> As part of RedHat's switch to Wayland, they've decided that GUI X11
> apps running as root will no longer be allowed to connect to the
> Wayland desktop server/compositor/whatever-it's-called. When it was
> pointed out to RedHat that this will break lots of applications, the
> official word from on high is that all GUI apps requiring root
> privileges need to be redesigned so that their GUI is running as a
> normal user.
> How does one do that in a Tkinter app? Do I need to start as root and
> fork a process that drops privledges and starts Tkinter and then the
> two processes communicate via sockets or Posix queues or whatnot?
IDLE starts as a GUI process. It uses subprocess to start a user-code
execution process. They communicate via a socket. This usually works,
but not always, so I may someday look into using multiprocessing.
Terry Jan Reedy