Polkit
Polkit, short for PolicyKit, is a framework for centralizing and defining authorization policies that govern privileged actions on Unix-like systems. It enables applications to request elevated permissions without embedding privileged logic, by separating policy decisions from application code. Polkit runs as a D-Bus service (polkitd) and enforces policies that determine whether a given action by a given user should be allowed.
The typical workflow involves an unprivileged application requesting authorization through the PolicyKit D-Bus API. If the
Policy is defined through action descriptions and rules. Actions are described in XML files under /usr/share/polkit-1/actions,
Polkit is widely used by desktop environments such as GNOME and KDE, as well as core system