Authentication required. System policy prevents WiFi scans

編輯 /etc/polkit-1/localauthority/50-local.d/wifi.scan.pkla

[Allow Wifi Scan]
Identity=unix-user:*
Action=org.freedesktop.NetworkManager.wifi.scan;org.freedesktop.NetworkManager.enable-disable-wifi;org.freedesktop.NetworkManager.settings.modify.own;org.freedesktop.NetworkManager.settings.modify.system;org.freedesktop.NetworkManager.network-control

ResultAny=yes

ResultInactive=yes

ResultActive=yes