wim@wim:~$ sudo gparted
Created symlink /run/systemd/system/-.mount → /dev/null.
Created symlink /run/systemd/system/dos.mount → /dev/null.
Created symlink /run/systemd/system/run-user-1000.mount → /dev/null.
Created symlink /run/systemd/system/run-user-121.mount → /dev/null.
Created symlink /run/systemd/system/tmp.mount → /dev/null.
No protocol specified

(gpartedbin:5411): Gtk-WARNING **: cannot open display: :0
Removed /run/systemd/system/-.mount.
Removed /run/systemd/system/dos.mount.
Removed /run/systemd/system/run-user-1000.mount.
Removed /run/systemd/system/run-user-121.mount.
Removed /run/systemd/system/tmp.mount.