gksu-polkit: gksu-polkit (gksu-polkit GNOME sudo) gksu-polkit: gksu-polkit: gksu is an application used to ask the user for passwords to run gksu-polkit: programs as root. The new gksu uses PolicyKit as backend, instead of gksu-polkit: su and sudo. gksu-polkit: gksu-polkit: gksu-polkit: gksu-polkit: gksu-polkit: gksu-polkit: