Als @beemaster sagte, führe folgendes aus:
hostapd_cli -a '/onHostapdChange.sh'
Mit dem Skript: onHostapdChange.sh
#!/bin/bash if [[ $2 == "AP-STA-CONNECTED" ]] then echo "someone has connected with mac id $3 on $1" fi if [[ $2 == "AP-STA-DISCONNECTED" ]] then echo "someone has disconnected with mac id $3 on $1" fi