~$ ps afx|grep policykit 25339 pts/1 S+ 0:00 \_ grep policykit 1354 ? Sl 0:00 /usr/lib/policykit-1/polkitd --no-debug
~$ /usr/lib/policykit-1-gnome/polkit-gnome-authentication-agent-1
(polkit-gnome-authentication-agent-1:25519): GLib-CRITICAL **: g_variant_new_string: assertion `string != NULL' failed
(polkit-gnome-authentication-agent-1:25519): polkit-gnome-1-WARNING **: Failed to register client: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.gnome.SessionManager was not provided by any .service files
~$ ps afx|grep policykit policykit- 1/polkitd --no-debug
25339 pts/1 S+ 0:00 \_ grep policykit
1354 ? Sl 0:00 /usr/lib/
~$ /usr/lib/ policykit- 1-gnome/ polkit- gnome-authentic ation-agent- 1
(polkit- gnome-authentic ation-agent- 1:25519) : GLib-CRITICAL **: g_variant_ new_string: assertion `string != NULL' failed
(polkit- gnome-authentic ation-agent- 1:25519) : polkit- gnome-1- WARNING **: Failed to register client: GDBus.Error: org.freedesktop .DBus.Error. ServiceUnknown: The name org.gnome. SessionManager was not provided by any .service files