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NetworkManager consists of two parts: one is on the system level daemon that
manages the connections and gathers information about new networks. The other
is a systray applet that users can use to interact with the NetworkManager
daemon.
Security
~~~~~~~~
To allow users to connect to the NetworkManager daemon they have to be in the
group "netdev". If you want to add a user to group "netdev" use the command
"adduser username netdev" or one of the graphical user management frontends.
After that you have to reload dbus with the command "/etc/init.d/dbus reload".
Configuration
~~~~~~~~~~~~~
Only devices that are *not* listed in /etc/network/interfaces or which have
been configured "auto" and "dhcp" (with no other options) are managed by NM.
This way you can setup a custom (static) configuration for a device and NM
will not try to override this setting.
Examples:
1.)
auto wlan0
iface wlan0 inet dhcp
-> This device is managed by NM.
2.)
auto wlan0
iface wlan0 inet dhcp
wpa-conf /etc/wpa_supplicant/wpa_supplicant.conf
-> This devices is *not* managed by NM because it has additional options.
3.)
iface wlan0 inet dhcp
-> This device is *not* managed by NM because it is not set to "auto".
4.)
iface eth0 inet static
address 192.168.1.10
netmask 255.255.255.0
gateway 192.168.1.1
-> This device is *not* managed by NM because it is configured as "static" and
has additional options.
5.)
Device is not listed in /etc/network/interfaces.
-> Device is managed by NM.
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