Hello, look at this: https://forum.kde.org/viewtopic.php?t=141836&start=30
This worked for me: sudo sh -c "unset SUDO_USER; unset KDESU_USER; dolphin" or this: su --login export $(dbus-launch) export XAUTHORITY=/home/USER/.Xauthority export DISPLAY=:0 dolphin Bernd Gary L. Roach wrote: > Hi all, > > Some time ago somebody decided that Dolphin was too dangerous when being > used as root. (Don't lecture me on using sudo and not su.) My hobby work > load is not subjected to any security problems, I am behind a pretty > good firewall and I am a single user. I have to switch between user and > root files a lot and the use of sudo is a pain you know where. For many > reasons Dolphin was my goto package especially when copying or moving > root files. I understand that the fury over the above change was so > great that the developers backed off. To date I have not found a way to > log in my Dolphin package as root. I am using KDE 5.14.5 desktop with > Debian Buster and an AMD-64 processor. > > There are a lot of forum entries telling how to correct the problem on > Ubuntu but none of them work on Debian (missing software packages). > > Can anyone tell me how to setup Dolphin for root use again. I have my > Icon set up to ask for root login but the system won't allow its use. > > > Gary R.