On Tue, 6 Jan 2026 13:57:34 -0500
"Ismael L. Donis Garcia" <slibre@???> wrote:

> ----- Original Message -----
> From: "Steve Litt" <slitt@???>
> To: <dng@???>
> Sent: Monday, January 05, 2026 9:02 PM
> Subject: Re: [DNG] Enabling root login in Daedalus
>
>
> > Ismael L. Donis Garcia said on Mon, 5 Jan 2026 09:53:55 -0500
> >
> >>I tried logging into several graphical environments:
> >> Mate
> >> KDE
> >> LXQT
> >> XFCE
> >>
> >>I can't log into any of them. I'm using the "sddm" window manager.
> >
> > You should be glad it won't let you log into X or Wayland as root. One
> > should *never* log into a graphical environment as root, for security
> > and other reasons.
> >
> > You should log into X or Wayland as yourself, and if you absolutely
> > must run a GUI program as user root, use sudo or su -c to do that.
> >
> > SteveT
> >
> > Steve Litt
> >
>
> I get the following error; it's a program built in Lazarus + fpc
>
> root@clt-iyc-03:~# su -c
> '/home/idonis/Documentos/ismael/conta_lazarus/librerias/Sistemas/release/linux_amd64/regsystem'
>
> (regsystem:18518): Gtk-WARNING **: 13:54:24.602: cannot open display:
>
> Best Regards
> --
> Ismael
> Web Site: https://gitlab.uic.cu/ismael.donis/

Hi,
try pkexec - Execute a command as another user:

pkexec /usr/sbin/gparted


see man pkexec for the details.

Ciao,
Tito