Difference between revisions of "Set up a hotspot with Linux"

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* Activate the card
 
* Activate the card
  modprobe
+
  linux-noqb:~ # hwinfo --usb
 +
[...]
 +
22: USB 00.0: 0000 Unclassified device
 +
  [Created at usb.122]
 +
  Unique ID: doL0.gHs6xlT8BAF
 +
  Parent ID: FKGF.0j9+vWlqL56
 +
  SysFS ID: /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.6/2-1.6:1.0
 +
  SysFS BusID: 2-1.6:1.0
 +
  Hardware Class: unknown
 +
  Model: "Ralink 802.11 bg WLAN"
 +
  Hotplug: USB
 +
  Vendor: usb 0x14b2 "Ralink"
 +
  Device: usb 0x3c22 "802.11 bg WLAN"
 +
  Revision: "0.01"
 +
  Driver: "rt73usb"
 +
  Driver Modules: "rt73usb"
 +
  Device File: wlan1
 +
  Speed: 480 Mbps
 +
  HW Address: 00:80:5a:4e:1a:eb
 +
  Link detected: yes
 +
  Module Alias: "usb:v14B2p3C22d0001dc00dsc00dp00icFFiscFFipFF"
 +
  Driver Info #0:
 +
    Driver Status: rt73usb is active
 +
    '''Driver Activation Cmd: "modprobe rt73usb"'''
 +
  Config Status: cfg=new, avail=yes, need=no, active=unknown
 +
  Attached to: #12 (Hub)
 +
This tells us to activate the driver like this:
 +
modprobe rt73usb

Revision as of 18:45, 13 September 2010

This is an example how to turn your computer into an accesspoint for wireless networks. It is based on SUSE Linux 11.3 but should work same or similar for every distribution.

what you need

  • a Linux kernel, greater than about 2.6.30
  • a USB wireless adapter, in this example we use a Conceptronic device with a RaLink chipset

what you do

  • Install HostAPD
yast -i HostAPD
  • Do the following settings in /etc/hostapd.conf
driver=nl80211
bridge=br0
channel=3
  • Activate the card
linux-noqb:~ # hwinfo --usb
[...]
22: USB 00.0: 0000 Unclassified device
  [Created at usb.122]
  Unique ID: doL0.gHs6xlT8BAF
  Parent ID: FKGF.0j9+vWlqL56
  SysFS ID: /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.6/2-1.6:1.0
  SysFS BusID: 2-1.6:1.0
  Hardware Class: unknown
  Model: "Ralink 802.11 bg WLAN"
  Hotplug: USB
  Vendor: usb 0x14b2 "Ralink"
  Device: usb 0x3c22 "802.11 bg WLAN"
  Revision: "0.01"
  Driver: "rt73usb"
  Driver Modules: "rt73usb"
  Device File: wlan1
  Speed: 480 Mbps
  HW Address: 00:80:5a:4e:1a:eb
  Link detected: yes
  Module Alias: "usb:v14B2p3C22d0001dc00dsc00dp00icFFiscFFipFF"
  Driver Info #0:
    Driver Status: rt73usb is active
    Driver Activation Cmd: "modprobe rt73usb"
  Config Status: cfg=new, avail=yes, need=no, active=unknown
  Attached to: #12 (Hub)

This tells us to activate the driver like this:

modprobe rt73usb