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

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  1. #11
    Join Date
    Feb 2012

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

    Greetings - noticed rt2860 driver referred to - does
    dmesg | grep RT2
    show something like?:
    [   35.973068] RtmpOSFileOpen(): Error 2 opening /etc/Wireless/RT2860STA/RT2860STA.dat
    [   35.973078] Open file "/etc/Wireless/RT2860STA/RT2860STA.dat" failed!
    [   36.297303] RtmpOSFileOpen(): Error 2 opening /etc/Wireless/RT2860STA/RT2860STA.dat
    [   36.297312] Open file "/etc/Wireless/RT2860STA/RT2860STA.dat" failed!
    [  200.006646] Read file "/etc/Wireless/RT2860STA/RT2860STA.dat" failed(errCode=0)!
    [ 1894.184783] Read file "/etc/Wireless/RT2860STA/RT2860STA.dat" failed(errCode=0)!
    [ 2373.659265] Read file "/etc/Wireless/RT2860STA/RT2860STA.dat" failed(errCode=0)!
    [ 2405.543895] Read file "/etc/Wireless/RT2860STA/RT2860STA.dat" failed(errCode=0)!
    [ 3581.869741] Read file "/etc/Wireless/RT2860STA/RT2860STA.dat" failed(errCode=0)!
    [ 3635.055932] rt28xx_close call RT28xxPciAsicRadioOff fail !!
    [ 3639.283087] Read file "/etc/Wireless/RT2860STA/RT2860STA.dat" failed(errCode=0)!
    [ 3697.880831] Read file "/etc/Wireless/RT2860STA/RT2860STA.dat" failed(errCode=0)!
    A RT2860STA.dat file must be created and Network Manager restarted using:
    sudo su
    mkdir -p /etc/Wireless/RT2860STA
    touch /etc/Wireless/RT2860STA/RT2860STA.dat
    service network-manager restart
    OOB, out of the box, the UNR 10.04 Live CD is missing the file (ie. it is a bug)
    /etc/Wireless/RT2860STA/RT2860STA.dat which is required for the RT2860 driver as specified by the dmesg | grep RT messages.

    The given script creates the file (with null content) so the driver "works".

    Another wrinkle (bug!) however is that it is exceedingly difficult to effect a connection with non-broadcasting SSID routers (the SSID is "hidden" but not the router service).

    While this thread is about alternate (manual) methods to Network Manager the following process in this post will use NM with some "manual" labour to coerce such connections, because NM's Connect to Hidden Wireless Network ... left click menu option is ineffective.

    sudo iwconfig wlan0  essid  <hidden SSID> key s:<ASCII password string>
    is needed while toggling the Enable Wireless right click function of Network Manager to make the wireless connection and then selecting the now visible SSID from NM's wireless service drop down menu list.

    sudo iwlist scan
    can be used for monitoring: when the router's ESSID:<hidden SSID> is seen instead of ESSID:"" then the router will be seen (eventually, in ~ 20 or 30 sec.) in NM's drop down menu at which point it can be selected.

    Is there a simple and short script to totally dispense with the need for NM? hmmm ... not this:
    sudo su
    ifconfig wlan0 up
    dhclient -r wlan0
    iwconfig wlan0  mode Managed essid  <hidden  SSID> key s:<ASCII password string>
    dhclient wlan0
    Re: Ubuntu 10.04 using the Ralink RT2860 WiFi chipset (e.g. EeeBox B202)

    Last edited by nowifi; February 14th, 2012 at 11:49 PM. Reason: clarification

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