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View Full Version : [ubuntu] Ubuntu 12.10 server wireless not working



mancora
March 24th, 2013, 08:48 PM
Hi,

I just installed a new server and I need a wireless connection to make it work. I had been trying for 3 days to make it work without success and I am not sure what is the problem. I would appreciate some help.

Here under are all the details from the configuration and wireless details. Network manager is already uninstalled.

/etc/network/interfaces

auto wlan0
#iface wlan0 inet dhcp
iface wlan0 inet static
address 192.168.1.201
mask 255.255.255.0
network 192.168.1.0
broadcast 192.168.1.255
gateway 192.168.1.254
dns-nameservers 8.8.8.8 8.8.4.4
wpa-driver iwlwifi
wpa-conf managed
wpa-ssid SOHO
wpa-ap-scan 1
wpa-proto RSN
wpa-pairwise CCMP
wpa-group CCMP
wpa-key-mgmt WPA-PSK
wpa-psk PedroPicapiedra

WS01:~$ sudo hwinfo --wlan
> hal.1: read hal dataprocess 2883: arguments to dbus_move_error() were incorrect, assertion "(dest) == NULL || !dbus_error_is_set ((dest))" failed in file ../../dbus/dbus-errors.c line 282.
This is normally a bug in some application using the D-Bus library.
libhal.c 3483 : Error unsubscribing to signals, error=The name org.freedesktop.Hal was not provided by any .service files
20: PCI 300.0: 0282 WLAN controller
[Created at pci.318]
Unique ID: y9sn.fNsjQBRm576
Parent ID: qTvu.mI4JwHLbTlD
SysFS ID: /devices/pci0000:00/0000:00:1c.1/0000:03:00.0
SysFS BusID: 0000:03:00.0
Hardware Class: network
Model: "Intel WLAN controller"
Vendor: pci 0x8086 "Intel Corporation"
Device: pci 0x0085
SubVendor: pci 0x8086 "Intel Corporation"
SubDevice: pci 0x1311
Revision: 0x34
Driver: "iwlwifi"
Driver Modules: "iwlwifi"
Device File: wlan0
Features: WLAN
Memory Range: 0xf3000000-0xf3001fff (rw,non-prefetchable)
IRQ: 46 (no events)
HW Address: 60:67:20:b8:58:98
Link detected: no
WLAN channels: 1 2 3 4 5 6 7 8 9 10 11 12 13 36 40 44 48 52 56 60 64 100 104 108 112 116 120 124 128 132 136 140
WLAN frequencies: 2.412 2.417 2.422 2.427 2.432 2.437 2.442 2.447 2.452 2.457 2.462 2.467 2.472 5.18 5.2 5.22 5.24 5.26 5.28 5.3 5.32 5.5 5.52 5.54 5.56 5.58 5.6 5.62 5.64 5.66 5.68 5.7
WLAN encryption modes: WEP40 WEP104 TKIP CCMP
WLAN authentication modes: open sharedkey wpa-psk wpa-eap
Module Alias: "pci:v00008086d00000085sv00008086sd00001311bc02sc80 i00"
Driver Info #0:
Driver Status: iwlwifi is active
Driver Activation Cmd: "modprobe iwlwifi"
Config Status: cfg=new, avail=yes, need=no, active=unknown
Attached to: #11 (PCI bridge)


WS01:~$ sudo lshw -C network

*-network DISABLED
description: Ethernet interface
product: 82579LM Gigabit Network Connection
vendor: Intel Corporation
physical id: 19
bus info: pci@0000:00:19.0
logical name: eth0
version: 04
serial: 3c:97:0e:10:99:55
size: 1Gbit/s
capacity: 1Gbit/s
width: 32 bits
clock: 33MHz
capabilities: pm msi cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=e1000e driverversion=2.0.0-k duplex=full firmware=0.13-3 latency=0 link=no multicast=yes port=twisted pair speed=1Gbit/s
resources: irq:44 memory:f3a00000-f3a1ffff memory:f3a3b000-f3a3bfff ioport:6080(size=32)
*-network
description: Wireless interface
product: Centrino Advanced-N 6205
vendor: Intel Corporation
physical id: 0
bus info: pci@0000:03:00.0
logical name: wlan0
version: 34
serial: 60:67:20:b8:58:98
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=iwlwifi driverversion=3.5.0-26-generic firmware=18.168.6.1 ip=192.168.1.201 latency=0 link=no multicast=yes wireless=IEEE 802.11abgn
resources: irq:47 memory:f3000000-f3001fff

WS01:~$ sudo iwlist scan


Cell 10 - Address: CC:5D:4E:AA:4D:24
Channel:5
Frequency:2.432 GHz (Channel 5)
Quality=37/70 Signal level=-73 dBm
Encryption key:on
ESSID:"SOHO"
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
Bit Rates:6 Mb/s; 12 Mb/s; 24 Mb/s; 48 Mb/s
Mode:Master
Extra:tsf=000000087e4b204f
Extra: Last beacon: 3000ms ago
IE: Unknown: 0004534F484F
IE: Unknown: 010882848B961224486C
IE: Unknown: 030105
IE: Unknown: 2A0104
IE: Unknown: 32040C183060
IE: Unknown: 2D1AEE1117FFFF000001000000000000000000000000000000 000000
IE: Unknown: 3D1605000600000000000000000000000000000000000000
IE: Unknown: 3E0100
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F 00
IE: Unknown: 0B05040022127A
IE: Unknown: 4A0E14000A002C01C800140005001900
IE: Unknown: 7F0101
IE: Unknown: DD07000C4300000000
IE: Unknown: 07064E4C20010D10

WS01:/etc/network$ ifconfig


wlan0 Link encap:Ethernet HWaddr 60:67:20:b8:58:98
inet addr:192.168.1.201 Bcast:192.168.1.255 Mask:255.255.255.0
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)

WS01:/etc/network$ iwconfig
eth0 no wireless extensions.

lo no wireless extensions.

wlan0 IEEE 802.11abgn ESSID:off/any
Mode:Managed Access Point: Not-Associated Tx-Power=15 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Power Management:on

WS01:/etc/network$ dmesg | grep wlan
[ 13.285610] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready

mancora
March 24th, 2013, 09:30 PM
Thanks everybody but fortunately after a flashlight I got it working, I was using the wireless card driver as wpa-driver which was wrong in the configuration, after changing it to "WEXT" and restarted my computer I got connected to my wireless network.

WS01:/etc$ iwconfig
eth0 no wireless extensions.

lo no wireless extensions.

wlan0 IEEE 802.11abgn ESSID:"SOHO"
Mode:Managed Frequency:2.432 GHz Access Point: CC:5D:4E:AA:4D:24
Bit Rate=1 Mb/s Tx-Power=15 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Power Management:off
Link Quality=70/70 Signal level=-37 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:779 Invalid misc:19 Missed beacon:0

It is quite confusing the different configuration options available on the web, I was not sure what is the function of the wpa_supplicant.conf and which of all the different options on the web to use. Under this configiration wpa_supplicant.conf is not necessary as I deleted and reboot the server after having the connection up and running without any problem after.

I think this configuration under the /etc/network/interfaces file is the most simple and clear to use as everything is defined under one file. Below the parameters and how to use them.

auto wlan0:
Your network interface (e.g. wlan0, eth1, rausb0, ra0, etc.).

iface wlan0 inet static:
Self-explanatory... I am using a Static IP instead of DHCP. "iface wlan0" must correspond to your network interface (see above).

address, netmask, [..], dns-nameservers:
Also self-explanatory... Be aware that "broadcast" needs to end with ".255" for negotiation with the router. These lines need to be according to your own (static) network settings. For DHCP see further below.

wpa-driver: (not the wireless car driver)
Use "wext" only. All other drivers are outdated no longer used.
[/QUOTE]

wpa-ssid:
Your network's ESSID (no quotes ""). Please avoid blanks/spaces as they will created problems during key generation (see below).

wpa-ap-scan:
"1" = Broadcast of ESSID.
"2" = Hidden broadcast of ESSID.

wpa-proto:
"RSN" = WPA(2)
"WPA" = WPA(1)

wpa-pairwise & wpa-group:
"CCMP" = AES cipher as part of WPA(2) standard.
"TKIP" = TKIP cipher as part of WPA(1) standard.

wpa-key-mgmt:
"WPA-PSK" = Authentication via pre-shared key (see 'key generation' further below).
"WPA-EAP" = Authentication via enterprise authentication server.