FAQ
hi all,
this is my first hit on the mailing list. hope i m posting in the right
place.
well, i have a dell vostro 1510 laptop with broadcom wifi adapter. n it
doesnt work! :(
i installed the wifi drivers with ndiswrapper.

iwconfig shows the following.

[root at laptop ~]# iwconfig
lo no wireless extensions.

eth0 no wireless extensions.

sit0 no wireless extensions.

wlan0 IEEE 802.11g ESSID:off/any Nickname:"laptop"
Mode:Managed Frequency:2.417 GHz Access Point: Not-Associated
Bit RateT Mb/s Tx-Power:32 dBm
RTS thr#47 B Fragment thr#46 B
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

strangely i cannot find the wlan0 config file in the
/etc/sysconfig/network-scripts/!!

[root at laptop ~]# iwlist wlan0 scanning

wlan0 Scan completed :
Cell 01 - Address: 00:xx:xx:91:xx:xx
ESSID:"thephenomenon"
Protocol:IEEE 802.11g
Mode:Managed
Frequency:2.412 GHz (Channel 1)
Quality:78/100 Signal level:-46 dBm Noise level:-96
dBm
Encryption key:on
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 9 Mb/s
18 Mb/s; 36 Mb/s; 54 Mb/s; 6 Mb/s; 12 Mb/s
24 Mb/s; 48 Mb/s
Extra:bcn_int0
Extra:atim=0
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : TKIP CCMP
Authentication Suites (1) : PSK
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : TKIP CCMP
Authentication Suites (1) : PSK

i generated a wpa_passphrase and wpa_supplicant.conf is as follows

[root at laptop ~]# cat /etc/wpa_supplicant/wpa_supplicant.conf
ctrl_interface=/var/run/wpa_supplicant
ctrl_interface_group=wheel

network={
ssid="thephenomenon"
key_mgmt=WPA-PSK
psk�a745bb68f4ff4fae41xxxxxxxxxxxxx5b1a66341ced3cxxxxxx2167b218d8c
}

now when i do a
[root at laptop ~]# wpa_supplicant -Dwext -iwlan0 -c/etc/wpa_supplicant.conf
Failed to read or parse configuration '/etc/wpa_supplicant.conf'.
[root at laptop ~]#

i get the above error. i have a WPA encryption in my router.

infact earlier i used to get a connected status when i tried to connect it
with wpa_gui once. but later i think i have screwed the config a bit

sorry for the long post... can someone plz guide me from here?
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  • Frank Cox at Jan 23, 2010 at 7:32 am

    On Sat, 2010-01-23 at 12:50 +0530, Arvind P R wrote:
    [root at laptop ~]# cat /etc/wpa_supplicant/wpa_supplicant.conf
    Failed to read or parse configuration '/etc/wpa_supplicant.conf'.


    --
    MELVILLE THEATRE ~ Melville Sask ~ http://www.melvilletheatre.com
  • Agile Aspect at Jan 23, 2010 at 7:53 am

    On Fri, Jan 22, 2010 at 11:20 PM, Arvind P R wrote:
    hi all,
    this is my first hit on the mailing list. hope i m posting in the right
    place.
    well, i have a dell vostro 1510 laptop with broadcom wifi adapter. n it
    doesnt work! :(
    i installed the wifi drivers with ndiswrapper.

    iwconfig shows the following.

    [root at laptop ~]# iwconfig
    lo??????? no wireless extensions.

    eth0????? no wireless extensions.

    sit0????? no wireless extensions.

    wlan0???? IEEE 802.11g? ESSID:off/any? Nickname:"laptop"
    ????????? Mode:Managed? Frequency:2.417 GHz? Access Point: Not-Associated
    ????????? Bit RateT Mb/s?? Tx-Power:32 dBm
    ????????? RTS thr#47 B?? Fragment thr#46 B
    ????????? 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

    strangely i cannot find the wlan0 config file in the
    /etc/sysconfig/network-scripts/!!

    [root at laptop ~]# iwlist wlan0 scanning

    wlan0???? Scan completed :
    ????????? Cell 01 - Address: 00:xx:xx:91:xx:xx
    ??????????????????? ESSID:"thephenomenon"
    ??????????????????? Protocol:IEEE 802.11g
    ??????????????????? Mode:Managed
    ??????????????????? Frequency:2.412 GHz (Channel 1)
    ??????????????????? Quality:78/100? Signal level:-46 dBm? Noise level:-96
    dBm
    ??????????????????? Encryption key:on
    ??????????????????? Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 9 Mb/s
    ????????????????????????????? 18 Mb/s; 36 Mb/s; 54 Mb/s; 6 Mb/s; 12 Mb/s
    ????????????????????????????? 24 Mb/s; 48 Mb/s
    ??????????????????? Extra:bcn_int0
    ??????????????????? Extra:atim=0
    ??????????????????? IE: WPA Version 1
    ??????????????????????? Group Cipher : TKIP
    ??????????????????????? Pairwise Ciphers (2) : TKIP CCMP
    ??????????????????????? Authentication Suites (1) : PSK
    ??????????????????? IE: IEEE 802.11i/WPA2 Version 1
    ??????????????????????? Group Cipher : TKIP
    ??????????????????????? Pairwise Ciphers (2) : TKIP CCMP
    ??????????????????????? Authentication Suites (1) : PSK

    i generated a wpa_passphrase and wpa_supplicant.conf is as follows

    [root at laptop ~]# cat /etc/wpa_supplicant/wpa_supplicant.conf
    ctrl_interface=/var/run/wpa_supplicant
    ctrl_interface_group=wheel

    network={
    ??????? ssid="thephenomenon"
    ??????? key_mgmt=WPA-PSK
    ??????? psk�a745bb68f4ff4fae41xxxxxxxxxxxxx5b1a66341ced3cxxxxxx2167b218d8c
    }

    now when i do a
    [root at laptop ~]# wpa_supplicant -Dwext -iwlan0 -c/etc/wpa_supplicant.conf
    Failed to read or parse configuration '/etc/wpa_supplicant.conf'.
    [root at laptop ~]#

    i get the above error. i have a WPA encryption in my router.

    infact earlier i used to get a connected status when i tried to connect it
    with wpa_gui once. but later i think i have screwed the config a bit

    sorry for the long post... can someone plz guide me from here?

    _______________________________________________
    CentOS mailing list
    CentOS at centos.org
    http://lists.centos.org/mailman/listinfo/centos
    Try

    yum install wpa_supplicant
    yum install NetworkManager\*
    service NetworkManager start

    --
    Enjoy global warming while it lasts.
  • Arvind P R at Jan 23, 2010 at 11:00 am
    hi there
    thanks for that reply
    i didnt know NetworkManager existed as a different service in centos!! all
    this while i used the network service to start n stop the network services!!
    i thought network and NetworkManager are one n the same.

    thanks for the insight. i m writing this mail while connected to my wireless
    router thru the wifi :)

    thanks a lot
    Arvind

    On Sat, Jan 23, 2010 at 1:23 PM, Agile Aspect wrote:
    On Fri, Jan 22, 2010 at 11:20 PM, Arvind P R wrote:
    hi all,
    this is my first hit on the mailing list. hope i m posting in the right
    place.
    well, i have a dell vostro 1510 laptop with broadcom wifi adapter. n it
    doesnt work! :(
    i installed the wifi drivers with ndiswrapper.

    iwconfig shows the following.

    [root at laptop ~]# iwconfig
    lo no wireless extensions.

    eth0 no wireless extensions.

    sit0 no wireless extensions.

    wlan0 IEEE 802.11g ESSID:off/any Nickname:"laptop"
    Mode:Managed Frequency:2.417 GHz Access Point: Not-Associated
    Bit RateT Mb/s Tx-Power:32 dBm
    RTS thr#47 B Fragment thr#46 B
    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

    strangely i cannot find the wlan0 config file in the
    /etc/sysconfig/network-scripts/!!

    [root at laptop ~]# iwlist wlan0 scanning

    wlan0 Scan completed :
    Cell 01 - Address: 00:xx:xx:91:xx:xx
    ESSID:"thephenomenon"
    Protocol:IEEE 802.11g
    Mode:Managed
    Frequency:2.412 GHz (Channel 1)
    Quality:78/100 Signal level:-46 dBm Noise level:-96
    dBm
    Encryption key:on
    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 9 Mb/s
    18 Mb/s; 36 Mb/s; 54 Mb/s; 6 Mb/s; 12 Mb/s
    24 Mb/s; 48 Mb/s
    Extra:bcn_int0
    Extra:atim=0
    IE: WPA Version 1
    Group Cipher : TKIP
    Pairwise Ciphers (2) : TKIP CCMP
    Authentication Suites (1) : PSK
    IE: IEEE 802.11i/WPA2 Version 1
    Group Cipher : TKIP
    Pairwise Ciphers (2) : TKIP CCMP
    Authentication Suites (1) : PSK

    i generated a wpa_passphrase and wpa_supplicant.conf is as follows

    [root at laptop ~]# cat /etc/wpa_supplicant/wpa_supplicant.conf
    ctrl_interface=/var/run/wpa_supplicant
    ctrl_interface_group=wheel

    network={
    ssid="thephenomenon"
    key_mgmt=WPA-PSK
    psk�a745bb68f4ff4fae41xxxxxxxxxxxxx5b1a66341ced3cxxxxxx2167b218d8c
    }

    now when i do a
    [root at laptop ~]# wpa_supplicant -Dwext -iwlan0
    -c/etc/wpa_supplicant.conf
    Failed to read or parse configuration '/etc/wpa_supplicant.conf'.
    [root at laptop ~]#

    i get the above error. i have a WPA encryption in my router.

    infact earlier i used to get a connected status when i tried to connect it
    with wpa_gui once. but later i think i have screwed the config a bit

    sorry for the long post... can someone plz guide me from here?

    _______________________________________________
    CentOS mailing list
    CentOS at centos.org
    http://lists.centos.org/mailman/listinfo/centos
    Try

    yum install wpa_supplicant
    yum install NetworkManager\*
    service NetworkManager start

    --
    Enjoy global warming while it lasts.
    _______________________________________________
    CentOS mailing list
    CentOS at centos.org
    http://lists.centos.org/mailman/listinfo/centos
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postedJan 23, '10 at 7:20a
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