Troubleshooting WiFi Dalam Ubuntu

1- Check model

 $ lspci

2- Check log

 $ tail -f /var/log/messages

3- Check wireless extention output

$ iwconfig

https://help.ubuntu.com/community/WifiDocs/WiFiTroubleshooting
https://help.ubuntu.com/community/WifiDocs/WirelessTroubleShootingGuide
https://help.ubuntu.com/community/WifiDocs/WirelessTroubleShootingScript