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Thread: How To: Manual Network Configuration without the need for Network Manager

  1. #931
    Join Date
    Jun 2008
    Location
    Peak District
    Beans
    1
    Distro
    Ubuntu 8.04 Hardy Heron

    Re: How To: Manual Network Configuration without the need for Network Manager

    Thank you, thank you, thank you! You have ended a problem I get with every upgrade of my mum's laptop. Excellent stuff, Thank You!

  2. #932
    Join Date
    Sep 2007
    Beans
    13

    Re: How To: Manual Network Configuration without the need for Network Manager

    Hi everyone, I have a question for y'all.

    This morning, my wireless internet connection decided not to work. I have no idea why, as it was working fine yesterday evening. The wired connection is fine, and is how I am able to post this.

    I just tried following this guide, but it didn't work for some reason. Here is the log of my terminal output:


    Code:
    selma@Horation:~$ sudo iwconfig
    lo        no wireless extensions.
    
    eth0      no wireless extensions.
    
    wmaster0  no wireless extensions.
    
    wlan0     IEEE 802.11abgn  Mode:Managed  Frequency:2.437 GHz  
              Access Point: Not-Associated   Tx-Power=15 dBm   
              Retry  long limit:7   RTS thr:off   Fragment thr:off
              Encryption key:off
              Power Management:off
              Link Quality:0  Signal level:0  Noise level:0
              Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
              Tx excessive retries:0  Invalid misc:0   Missed beacon:0
    
    vboxnet0  no wireless extensions.
    
    selma@Horation:~$ sudo ifconfig wlan0 down
    selma@Horation:~$ sudo dhclient -r wlan0
    Internet Systems Consortium DHCP Client V3.1.2
    Copyright 2004-2008 Internet Systems Consortium.
    All rights reserved.
    For info, please visit http://www.isc.org/sw/dhcp/
    
    Listening on LPF/wlan0/00:16:ea:c3:52:28
    Sending on   LPF/wlan0/00:16:ea:c3:52:28
    Sending on   Socket/fallback
    selma@Horation:~$ sudo ifconfig wlan0 up
    selma@Horation:~$ sudo iwconfig wlan0 essid “gruetzi”
    selma@Horation:~$ sudo iwconfig wlan0 key 8FD11DE0D267F9D3280046A674
    selma@Horation:~$ sudo iwconfig wlan0 key restricted
    selma@Horation:~$ sudo iwconfig wlan0 mode Managed
    selma@Horation:~$ sudo dhclient wlan0
    Internet Systems Consortium DHCP Client V3.1.2
    Copyright 2004-2008 Internet Systems Consortium.
    All rights reserved.
    For info, please visit http://www.isc.org/sw/dhcp/
    
    Listening on LPF/wlan0/00:16:ea:c3:52:28
    Sending on   LPF/wlan0/00:16:ea:c3:52:28
    Sending on   Socket/fallback
    DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 3
    DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 7
    DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 13
    DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 8
    DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 12
    DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 18
    No DHCPOFFERS received.
    No working leases in persistent database - sleeping.
     * Reloading /etc/samba/smb.conf smbd only
       ...done.
    As you can see, it didn't give me any errors, but I cannot connect despite that.

  3. #933
    Join Date
    Feb 2006
    Location
    Longmont, CO
    Beans
    283
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: How To: Manual Network Configuration without the need for Network Manager

    What is the result of sudo iwconfig eth1 [or wlan0] after you have set the parameters? The initial result shows no connection.

    Paul

  4. #934
    Join Date
    Sep 2007
    Beans
    13

    Re: How To: Manual Network Configuration without the need for Network Manager

    This is what it returns:

    Code:
    selma@Horation:~$ sudo iwconfig wlan0
    [sudo] password for selma: 
    wlan0     IEEE 802.11abgn  Mode:Managed  Frequency:2.437 GHz  
              Access Point: Not-Associated   Tx-Power=15 dBm   
              Retry  long limit:7   RTS thr:off   Fragment thr:off
              Encryption key:off
              Power Management:off
              Link Quality:0  Signal level:0  Noise level:0
              Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
              Tx excessive retries:0  Invalid misc:0   Missed beacon:0

  5. #935
    Join Date
    Feb 2006
    Location
    Longmont, CO
    Beans
    283
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: How To: Manual Network Configuration without the need for Network Manager

    It's not showing the result of your iwconfig statements. Did you do the latest command after those?

    If so, they aren't taking, and I don't know why.

    Paul

  6. #936
    Join Date
    Mar 2007
    Location
    Denver, CO
    Beans
    7,604
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: How To: Manual Network Configuration without the need for Network Manager

    Yea for Longmont CO

    You probably don't need these commands:
    sudo iwconfig wlan0 key restricted
    sudo iwconfig wlan0 mode Managed

    What chipset are you using?

  7. #937
    Join Date
    Feb 2006
    Location
    Longmont, CO
    Beans
    283
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: How To: Manual Network Configuration without the need for Network Manager

    kevdog-

    I just installed 9.10 over 8.04, and wireless no longer works. The normal manual steps fail at the last step.

    commands
    sudo ifconfig wlan0 down
    sudo dhclient -r wlan0
    sudo ifconfig wlan0 up
    sudo iwconfig wlan0 essid "cozycave"
    sudo iwconfig wlan0 key xxxxxxxxxxxxxxxxxxxxxxxxxx
    sudo iwconfig wlan0 mode Managed
    sudo dhclient wlan0

    results
    Internet Systems Consortium DHCP Client V3.1.2
    Copyright 2004-2008 Internet Systems Consortium.
    All rights reserved.
    For info, please visit http://www.isc.org/sw/dhcp/

    Listening on LPF/wlan0/00:18:de:1c:27:7e
    Sending on LPF/wlan0/00:18:de:1c:27:7e
    Sending on Socket/fallback
    Internet Systems Consortium DHCP Client V3.1.2
    Copyright 2004-2008 Internet Systems Consortium.
    All rights reserved.
    For info, please visit http://www.isc.org/sw/dhcp/

    Listening on LPF/wlan0/00:18:de:1c:27:7e
    Sending on LPF/wlan0/00:18:de:1c:27:7e
    Sending on Socket/fallback
    DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 8
    DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 9
    DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 18
    DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 9
    DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 14
    DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 3
    No DHCPOFFERS received.
    No working leases in persistent database - sleeping.

    NetworkManager will not start. Here is the result of NetworkManager --no-deamon

    NetworkManager: <info> starting...
    NetworkManager: <info> modem-manager is now available
    NetworkManager: SCPlugin-Ifupdown: init!
    NetworkManager: SCPlugin-Ifupdown: update_system_hostname
    NetworkManager: SCPluginIfupdown: management mode: unmanaged
    NetworkManager: SCPlugin-Ifupdown: devices added (path: /sys/devices/pci0000:00/0000:00:1c.0/0000:02:00.0/net/wlan0, iface: wlan0)
    NetworkManager: SCPlugin-Ifupdown: device added (path: /sys/devices/pci0000:00/0000:00:1c.0/0000:02:00.0/net/wlan0, iface: wlan0): no ifupdown configuration found.
    NetworkManager: SCPlugin-Ifupdown: devices added (path: /sys/devices/pci0000:00/0000:00:1c.0/0000:02:00.0/net/wmaster0, iface: wmaster0)
    NetworkManager: SCPlugin-Ifupdown: device added (path: /sys/devices/pci0000:00/0000:00:1c.0/0000:02:00.0/net/wmaster0, iface: wmaster0): no ifupdown configuration found.
    NetworkManager: SCPlugin-Ifupdown: devices added (path: /sys/devices/pci0000:00/0000:00:1e.0/0000:05:08.0/net/eth0, iface: eth0)
    NetworkManager: SCPlugin-Ifupdown: device added (path: /sys/devices/pci0000:00/0000:00:1e.0/0000:05:08.0/net/eth0, iface: eth0): no ifupdown configuration found.
    NetworkManager: SCPlugin-Ifupdown: devices added (path: /sys/devices/virtual/net/lo, iface: lo)
    NetworkManager: SCPlugin-Ifupdown: device added (path: /sys/devices/virtual/net/lo, iface: lo): no ifupdown configuration found.
    NetworkManager: SCPlugin-Ifupdown: end _init.
    NetworkManager: Loaded plugin ifupdown: (C) 2008 Canonical Ltd. To report bugs please use the NetworkManager mailing list.
    NetworkManager: Loaded plugin keyfile: (c) 2007 - 2008 Red Hat, Inc. To report bugs please use the NetworkManager mailing list.
    NetworkManager: <info> Found radio killswitch rfkill0 (at /sys/devices/pci0000:00/0000:00:1c.0/0000:02:00.0/ieee80211/phy0/rfkill0) (driver <unknown>)
    NetworkManager: <WARN> nm_dbus_manager_start_service(): Could not acquire the NetworkManager service as it is already taken.
    NetworkManager: <WARN> main(): Failed to start the dbus service.
    NetworkManager: <info> exiting (error)

    Any suggestions/pointers will be welcome.

    Paul

  8. #938
    Join Date
    Feb 2006
    Location
    Longmont, CO
    Beans
    283
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: How To: Manual Network Configuration without the need for Network Manager

    kevdog-

    A word to the wary--

    I installed wicd and dropped NetworkManager and my manual script connects just fine. My hardware is not weird.

    I'll be happy to send you any info you want, but the standard distro looks bad to me.

    Have a nice day.

    Paul

  9. #939
    Join Date
    Jan 2010
    Beans
    3

    Re: How To: Manual Network Configuration without the need for Network Manager

    Very good share.
    I will try this out when my network manager dosnt work. Does this code will harm the computer by slowing down the process or some thing else.

  10. #940
    Join Date
    Nov 2007
    Location
    Vegas
    Beans
    Hidden!
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: How To: Manual Network Configuration without the need for Network Manager

    five star manual indeed.

    this just worked like a charm on my acer apsire 10" netbook w/ 9.10 ubuntu netbook remix, using fluxbox as my default desktop.

    i have been suffering from days of no internet after i tried to set-up windows for a class at school -- the dang thing tried to eat grub2 and sabotage my connection ;(

    long story short... at first, i was able to ping the router but eventually the problem just pulled a 169.killed.the.net and left me w/ a PC icon w/an `X' instead of a graphed nm-applet.

    this tutorial pulled through. i even went so far as happily removing gnome network manager (but opted to keep wifi-radar).

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