Add online link to repository for README and README.Debian
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|* [[file:///usr/share/doc/network-manager/README|/usr/share/doc/network-manager/README]] and [[file:///usr/share/doc/network-manager/README.Debian|/usr/share/doc/network-manager/README.Debian]]||* [[file:///usr/share/doc/network-manager/README|/usr/share/doc/network-manager/README]] [[https://salsa.debian.org/utopia-team/network-manager/blob/master/debian/network-manager.README.Debian|(online)]] and [[file:///usr/share/doc/network-manager/README.Debian|/usr/share/doc/network-manager/README.Debian]] [[https://salsa.debian.org/utopia-team/network-manager/blob/master/debian/network-manager.README.Debian|(online)]]|
NetworkManager attempts to keep an active network connection available at all times.
NetworkManager is composed of two parts:
A daemon running as root (network-manager).
NetworkManager will only handle interfaces not declared in /etc/network/interfaces (see README file).
The features of NetworkManager are described on its homepage.
Make sure you read the fine manual:
interfaces(5) man page
Wired Networks are Unmanaged
As of Debian 6.0 "Squeeze", NetworkManager does not manage any interface defined in /etc/network/interfaces by default.
Unmanaged devices means NetworkManager doesn't handle those network devices. This occurs when two conditions are met:
The file /etc/network/interfaces contains anything about the interface, even:
allow-hotplug eth0 iface eth0 inet dhcp
And /etc/NetworkManager/NetworkManager.conf contains:
[main] plugins=ifupdown,keyfile [ifupdown] managed=false
Enabling Interface Management
If you want NetworkManager to handle interfaces that are enabled in /etc/network/interfaces:
Set managed=true in /etc/NetworkManager/NetworkManager.conf.
"Auto Ethernet" and "Auto eth0"
Auto Ethernet means "Select an Ethernet interface automatically"
Auto eth0 means "autoconfigure the eth0 interface".
- Q. How do I configure a static IP address (for a server, etc) ?
A) Use nm-connection-editor or configure /etc/network/interfaces as described in NetworkConfiguration.
- Q. How can I configure DNS for NetworkManager?
A) The short answer is to use nm-connection-editor. For the long answer see the corresponding entry in NetworkConfiguration.
- Q. Why can't I see NetworkManager with my new user account ?
A) Make sure human users are in the netdev group (see /usr/share/doc/network-manager-gnome/README.Debian).
- Q. How to setup a connection sharing ("hotspot") for a wired interface ?
First make sure to install dnsmasq-base (but not dnsmasq unless you disable the system daemon in /etc/default/dnsmasq). Then use nm-connection-editor and setup a new profile using "shared to other computer" as the method for IPv4 (not possible from Gnome3's gnome-control-center). This hides all the complexity (dnsmasq, iptables, sysctl). Finally, use that profile for the network interface connected to the shared network. For Wi-Fi interfaces, a hotspot functionality is provided which uses the same functionality besides setting up an ad-hoc WiFi network.
http://projects.gnome.org/NetworkManager/users/ - Project homepage and GNOME front-end (with some documentation);
http://live.gnome.org/NetworkManager - Various resources (FAQ, mailing list...)
http://old-en.opensuse.org/Projects/KNetworkManager - KDE front-end
nmtui(1) - Interactive text client
nmcli(1) - Command-line client