Linux/Wifi

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< Linux
Revision as of 17:45, 12 February 2018 by Marcluer (talk | contribs)

Get infos

  • list network hardware
lshw -class network
  • show all network devices
ifconfig -a
  • get wifi information
iwconfig
  • bring interface up
ifconfig wlan0 up
  • show supported channels
iwlist wlan0 channel
  • scan for wifi networks
iwlist wlan0 scan | grep ESSID


configuration

  • get country information
iw reg get
  • set country information
iw reg set DE
  • install WPA support
sudo apt install wpasupplicant
  • /etc/wpa_supplicant/wpa_supplicant.conf
network={
    ssid="xxxSSIDxxx"
    psk="xxxPASSWORDxxx"
}
  • bring interface up
ifconfig wlan0 up
  • connect to WPA wifi
wpa_supplicant -i wlan0 -c /etc/wpa_supplicant/wpa_supplicant.conf -D wext
# add -B for background
  • get IP
dhclient wlan0

Troubleshooting

  • airplane mode?
rfkill list all