archlinux设置无线网络连接

• Check the driver
  $ lspci -k

• Open the network card
  $ ip link set <设备名> up

• Check device status
  $ ip link show wls1

  if there is an UP in <> then the device is READY

Then can use the tools to connect wireless router

manual way

• check the interface or device
  $ iw dev

• connection status
  $ iw dev wls1 link

• 查看接入点
  $ iw dev wlan0 scan |less

• 无加密
  $ iw wls1 connect MyEssid

• WEP
  $ iw dev wls1 connect your_essid key 0:your_key

WPA/WPA2

• create passphrase file
  check the example /etc/wpa_supplicant/wpa_supplicant.conf
  or use `$ wpa_passphrase testapn password' to create a password file

• connect with wpa_supplicant
  $ wpa_supplicant -iwlan0 -c/etc/wpa_supplicant/wpa_supplicant.conf