1. Display interface and chipset information:
   sudo airmon-ng
2. Go into monitor mode:
   sudo airmon-ng start wlan0
iwconfig to check if it works
3. Check interfering process:
   sudo airmon-ng check
4. Kill the interfering processes (dont simply kill unless really got problem):
   sudo airmon-ng check kill
5. Start monitor mode on specific channel:
   sudo airmon-ng start wlan0 11
6. Stop monitor mode:
   sudo airmon-ng stop wlan0mon