/e/n/i:
# The primary network interface
auto eth0
iface eth0 inet dhcp

NetworkManager.conf:
[ifupdown]
managed=false

NetworkManager.conf(5):

   [ifupdown]
       This  section  contains  ifupdown-specific  options  and  thus only has
       effect when using ifupdown plugin.

       managed=false | true
              Controls whether interfaces listed in the 'interfaces' file  are
              managed  by  NetworkManager.   If  set  to true, then interfaces
              listed in /etc/network/interfaces are managed by NetworkManager.
              If  set  to  false,  then  any  interface  listed  in  /etc/net‐
              work/interfaces will be ignored by NetworkManager. Remember that
              NetworkManager controls the default route, so because the inter‐
              face is ignored, NetworkManager may assign the default route  to
              some  other  interface.  When the option is missing, false value
              is taken as default.


** Changed in: network-manager (Ubuntu)
       Status: Incomplete => Invalid

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to network-manager in Ubuntu.
https://bugs.launchpad.net/bugs/979015

Title:
  network adapter not showing in network manager applet

Status in “network-manager” package in Ubuntu:
  Invalid

Bug description:
  Under the network applets on the toolbar, I see no entry for a wired
  connection and when I click on connection information, it states "no
  valid connection found". I can use the "network-tools" application and
  see I have eth0 and can view my connection information, but again when
  i go to the configure button, nothing shows up under the wired
  section. I tried to create an entry and reboot but it still remains
  and states that it has never been used.

  I don't have any apparent issues relating to this as far as
  connectivity is concerned (I'm entering this bug on the same machine)
  but I wonder if it is effecting other operations such as when I use
  "sudo update-manager" I sometimes get a failed error message, but not
  always. Also, prior to me reformatting and reinstalling again last
  night on this machine which is baremetal: no other operating systems
  installed, I was running on 12.04 LTS and thought that was the reason
  for the issue, but I'm currently on a new install of 11.04 and the
  problem remains.

  I filed a follow up bug report under question #136802 which I noticed
  afterwards that it was a bit dated going back to 2010. I then had some
  additional issues which made me decide to reinstall from scratch and
  decided to file a new bug report.

  let me know if there is any additional information I can provide but
  my lspci output from this machine and another machine (which shows the
  network just fine) is included in the incident/question above.

  Thanks,
  Kevin

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: gnome-nettool 3.0.0-0ubuntu2
  ProcVersionSignature: Ubuntu 3.0.0-19.32-server 3.0.27
  Uname: Linux 3.0.0-19-server x86_64
  ApportVersion: 1.23-0ubuntu4
  Architecture: amd64
  Date: Wed Apr 11 10:20:59 2012
  EcryptfsInUse: Yes
  ExecutablePath: /usr/bin/gnome-nettool
  InstallationMedia: Ubuntu-Server 11.10 "Oneiric Ocelot" - Release amd64 
(20111011)
  ProcEnviron:
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: gnome-nettool
  UpgradeStatus: No upgrade log present (probably fresh install)
  --- 
  ApportVersion: 2.0.1-0ubuntu2
  Architecture: amd64
  CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 
not found.
  DistroRelease: Ubuntu 12.04
  IfupdownConfig:
   # interfaces(5) file used by ifup(8) and ifdown(8)
   auto lo
   iface lo inet loopback
  IpRoute:
   default via 192.168.1.1 dev eth0  proto static 
   65.248.151.10 via 192.168.1.1 dev eth0  src 192.168.1.24 
   169.254.0.0/16 dev eth0  scope link  metric 1000 
   192.168.1.0/24 dev eth0  proto kernel  scope link  src 192.168.1.24  metric 1
  IwConfig:
   lo        no wireless extensions.
   
   eth0      no wireless extensions.
  NetworkManager.state:
   [main]
   NetworkingEnabled=true
   WirelessEnabled=true
   WWANEnabled=true
   WimaxEnabled=true
  NonfreeKernelModules: nvidia
  Package: network-manager 0.9.4.0-0ubuntu2
  PackageArchitecture: amd64
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14
  RfKill:
   
  Tags:  precise
  Uname: Linux 3.2.0-23-generic x86_64
  UpgradeStatus: Upgraded to precise on 2012-04-09 (3 days ago)
  UserGroups:
   
  nmcli-con:
   NAME                      UUID                                   TYPE        
      TIMESTAMP    TIMESTAMP-REAL                     AUTOCONNECT   READONLY   
DBUS-PATH                                 
   Wired connection 1        1fa0c3d3-c40d-40bf-adf2-61fe8013abc4   
802-3-ethernet    1334242739   Thu 12 Apr 2012 09:58:59 AM CDT    yes           
no         /org/freedesktop/NetworkManager/Settings/1
  nmcli-dev:
   DEVICE     TYPE              STATE         DBUS-PATH                         
         
   eth0       802-3-ethernet    connected     
/org/freedesktop/NetworkManager/Devices/0
  nmcli-nm:
   RUNNING         VERSION    STATE           NET-ENABLED   WIFI-HARDWARE   
WIFI       WWAN-HARDWARE   WWAN      
   running         0.9.4.0    connected       enabled       enabled         
enabled    enabled         disabled
  --- 
  ApportVersion: 2.0.1-0ubuntu2
  Architecture: amd64
  CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 
not found.
  DistroRelease: Ubuntu 12.04
  IfupdownConfig:
   # interfaces(5) file used by ifup(8) and ifdown(8)
   auto lo
   iface lo inet loopback
  IpRoute:
   default via 192.168.1.1 dev eth0  proto static 
   65.248.151.10 via 192.168.1.1 dev eth0  src 192.168.1.24 
   169.254.0.0/16 dev eth0  scope link  metric 1000 
   192.168.1.0/24 dev eth0  proto kernel  scope link  src 192.168.1.24  metric 1
  IwConfig:
   lo        no wireless extensions.
   
   eth0      no wireless extensions.
  NetworkManager.state:
   [main]
   NetworkingEnabled=true
   WirelessEnabled=true
   WWANEnabled=true
   WimaxEnabled=true
  NonfreeKernelModules: nvidia
  Package: network-manager 0.9.4.0-0ubuntu2
  PackageArchitecture: amd64
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14
  RfKill:
   
  Tags:  precise
  Uname: Linux 3.2.0-23-generic x86_64
  UpgradeStatus: Upgraded to precise on 2012-04-09 (3 days ago)
  UserGroups:
   
  nmcli-con:
   NAME                      UUID                                   TYPE        
      TIMESTAMP    TIMESTAMP-REAL                     AUTOCONNECT   READONLY   
DBUS-PATH                                 
   Wired connection 1        1fa0c3d3-c40d-40bf-adf2-61fe8013abc4   
802-3-ethernet    1334242739   Thu 12 Apr 2012 09:58:59 AM CDT    yes           
no         /org/freedesktop/NetworkManager/Settings/1
  nmcli-dev:
   DEVICE     TYPE              STATE         DBUS-PATH                         
         
   eth0       802-3-ethernet    connected     
/org/freedesktop/NetworkManager/Devices/0
  nmcli-nm:
   RUNNING         VERSION    STATE           NET-ENABLED   WIFI-HARDWARE   
WIFI       WWAN-HARDWARE   WWAN      
   running         0.9.4.0    connected       enabled       enabled         
enabled    enabled         disabled
  --- 
  ApportVersion: 1.23-0ubuntu4
  Architecture: amd64
  CRDA: Error: [Errno 2] No such file or directory
  DistroRelease: Ubuntu 11.10
  EcryptfsInUse: Yes
  Gconf:
   
  InstallationMedia: Ubuntu-Server 11.10 "Oneiric Ocelot" - Release amd64 
(20111011)
  IpRoute:
   default via 192.168.1.1 dev eth0  metric 100 
   169.254.0.0/16 dev eth0  scope link  metric 1000 
   192.168.1.0/24 dev eth0  proto kernel  scope link  src 192.168.1.23
  IwConfig:
   lo        no wireless extensions.
   
   eth0      no wireless extensions.
  Keyfiles: Error: [Errno 2] No such file or directory
  NetworkManager.state:
   [main]
   NetworkingEnabled=true
   WirelessEnabled=true
   WWANEnabled=true
   WimaxEnabled=true
  Package: network-manager 0.9.1.90-0ubuntu5.1
  PackageArchitecture: amd64
  ProcEnviron:
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcVersionSignature: Ubuntu 3.0.0-19.32-server 3.0.27
  RfKill:
   
  Tags:  oneiric
  Uname: Linux 3.0.0-19-server x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:
  --- 
  ApportVersion: 2.0.1-0ubuntu7
  Architecture: amd64
  CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 
not found.
  DistroRelease: Ubuntu 12.04
  EcryptfsInUse: Yes
  InstallationMedia: Ubuntu-Server 11.10 "Oneiric Ocelot" - Release amd64 
(20111011)
  IpRoute:
   default via 192.168.1.1 dev eth0  metric 100 
   169.254.0.0/16 dev eth0  scope link  metric 1000 
   192.168.1.0/24 dev eth0  proto kernel  scope link  src 192.168.1.26
  IwConfig:
   lo        no wireless extensions.
   
   eth0      no wireless extensions.
  NetworkManager.state:
   [main]
   NetworkingEnabled=true
   WirelessEnabled=true
   WWANEnabled=true
   WimaxEnabled=true
  Package: network-manager 0.9.4.0-0ubuntu4
  PackageArchitecture: amd64
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcVersionSignature: Ubuntu 3.2.0-24.38-generic 3.2.16
  RfKill:
   
  Tags:  precise
  Uname: Linux 3.2.0-24-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:
   
  nmcli-con:
   NAME                      UUID                                   TYPE        
      TIMESTAMP    TIMESTAMP-REAL                     AUTOCONNECT   READONLY   
DBUS-PATH                                 
   Allscripts                9ac27e05-6239-40ef-b0f0-34699ac28ae1   vpn         
      0            never                              yes           no         
/org/freedesktop/NetworkManager/Settings/0
  nmcli-dev:
   DEVICE     TYPE              STATE         DBUS-PATH                         
         
   eth0       802-3-ethernet    unmanaged     
/org/freedesktop/NetworkManager/Devices/0
  nmcli-nm:
   RUNNING         VERSION    STATE           NET-ENABLED   WIFI-HARDWARE   
WIFI       WWAN-HARDWARE   WWAN      
   running         0.9.4.0    connected       enabled       enabled         
enabled    enabled         disabled

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