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Comment: /etc/NetworkManager/nm-system-settings.conf is moved to /etc/NetworkManager/NetworkManager.conf during postinst as of network-manager 0.8.1-2.
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Comment: Amend with details on BTS #530024 resolution, formatting.
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| ||<tablestyle="width: 100%;" style="border: 0px hidden">~-[[DebianWiki/EditorGuide#translation|Translation(s)]]: English - [[it/NetworkManager|Italiano]] - [[ru/NetworkManager|Русский]] -~||<style="text-align: right;border: 0px hidden"> (!) [[/Discussion|Discussion]]|| | ~-[[DebianWiki/EditorGuide#translation|Translation(s)]]: English - [[it/NetworkManager|Italiano]] - [[ru/NetworkManager|Русский]]-~ |
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| ||<tablestyle="width:100%" style="border:0;vertical-align:top">[[http://www.gnome.org/projects/NetworkManager/|NetworkManager]] attempts to keep an active network connection available at all times.<<BR>><<BR>>The point of NetworkManager is to make networking configuration and setup as painless and automatic as possible. If using DHCP, NetworkManager is __intended__ to replace default routes, obtain IP addresses from a DHCP server and change nameservers whenever it sees fit. In effect, the goal of NetworkManager is to make networking __Just Work__.<<BR>><<BR>>If you have special needs, The upstream's developers would like to hear about them, but understand that NetworkManager is not intended to serve the needs of all users. ||<style="border:0"> {{http://www.gnome.org/projects/NetworkManager/images/wireless-at-tealuxe.png}} || | ||<tablestyle="width:100%" style="border:0;vertical-align:top">[[http://www.gnome.org/projects/NetworkManager/|NetworkManager]] attempts to keep an active network connection available at all times.<<BR>><<BR>>The point of NetworkManager is to make networking configuration and setup as painless and automatic as possible. If using DHCP, NetworkManager is __intended__ to replace default routes, obtain IP addresses from a DHCP server and change nameservers whenever it sees fit. In effect, the goal of NetworkManager is to make networking __Just Work__.<<BR>><<BR>>If you have special needs, the upstream's developers would like to hear about them, but understand that NetworkManager is not intended to serve the needs of all users. ||<style="border:0"> {{http://www.gnome.org/projects/NetworkManager/images/wireless-at-tealuxe.png}} || |
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| {i} This ''problem'' is very likely to occur to people who upgrade to [[DebianSqueeze|Squeeze]], see DebianBug:530024 . | |
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| Unmanaged devices means NetworkManager doesn't handle those devices. This occurs when two conditions are met: | As of Debian [[DebianSqueeze|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: |
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| To allow NetworkManager to manage wired interfaces, either: | Since DebianPkg:network-manager version 0.8.1-4, existing wired/wireless interfaces in {{{/etc/network/interfaces}}} are disabled with a #NetworkManager# prefix during package installation, then re-enabled when the network-manager package is removed (Debian bug DebianBug:530024). |
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| * Comment the relevant lines in {{{/etc/network/interfaces}}} to restore the behavior experienced in [[DebianLenny|Lenny]]. <<BR>> ''or'' * Set {{{managed=true}}} in {{{NetworkManager.conf}}} if you want network-manager to handle interfaces that are declared in {{{/etc/network/interfaces}}} |
=== Enabling Interface Management === |
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| Finally, restart NetworkManager: | If you want NetworkManager to handle interfaces that are enabled in {{{/etc/network/interfaces}}}: * Set {{{managed=true}}} in {{{/etc/NetworkManager/NetworkManager.conf}}}. * Restart NetworkManager: |
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| }}} (Click on the <<GetText(Comments)>> to show Syslog error's error message related to this problem): {{{#!wiki comment NetworkManager: <info> starting... NetworkManager: <info> (eth0): new Ethernet device (driver: 'e1000e') NetworkManager: <info> (eth0): exported as /org/freedesktop/Hal/devices/net_00_1a_6b_38_00_e0 NetworkManager: <info> Trying to start the system settings daemon... nm-system-settings: SCPlugin-Ifupdown: init! nm-system-settings: SCPlugin-Ifupdown: update_system_hostname nm-system-settings: SCPluginIfupdown: guessed connection type (eth0) = 802-3-ethernet nm-system-settings: SCPlugin-Ifupdown: update_connection_setting_from_if_block: name:eth0, type:802-3-ethernet, autoconnect:0, id:Ifupdown (eth0) nm-system-settings: SCPluginIfupdown: management mode: unmanaged nm-system-settings: SCPlugin-Ifupdown: devices added (udi:/org/freedesktop/Hal/devices/net_00_1a_6b_38_00_e0, iface: eth0) nm-system-settings: Ifupdown: get unmanaged devices count: 1 |
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| Q. How do I configure a static IP address (for a server, etc) ? :: A) Configure {{{/etc/network/interfaces}}}. | Q. How do I configure a static IP address (for a server, etc) ? :: A) Configure {{{/etc/network/interfaces}}}, see NetworkConfiguration. |
Translation(s): English - Italiano - Русский
NetworkManager
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).
A front-end (network-manager-gnome, network-manager-kde or cnetworkmanager).
NetworkManager will only handle interfaces not declared in /etc/network/interfaces (see README file).
Features
The features of NetworkManager are described on its homepage.
Documentation
Make sure you read the fine manual:
/usr/share/doc/network-manager/README and /usr/share/doc/network-manager/README.Debian
interfaces(5) man page
NetworkManager in Squeeze
Wired Networks are Unmanaged
As of Debian 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
Since network-manager version 0.8.1-4, existing wired/wireless interfaces in /etc/network/interfaces are disabled with a #NetworkManager# prefix during package installation, then re-enabled when the network-manager package is removed (Debian bug 530024).
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.
Restart NetworkManager:
/etc/init.d/network-manager restart
"Auto Ethernet" and "Auto eth0"
Auto Ethernet means "Select an Ethernet interface automatically"
Auto eth0 means "autconfigure the eth0 interface".
FAQ
- Q. How do I configure a static IP address (for a server, etc) ?
A) Configure /etc/network/interfaces, see 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).
See Also
External Links
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://en.opensuse.org/Projects/KNetworkManager - KDE front-end
http://vidner.net/martin/software/cnetworkmanager/ - Command-line client