Cron job that runs once every 10m and reset wlan0 if no internet connection is detected

check_con.sh

#!/bin/bash

ping -c 1 google.com > /dev/null & wait $!
if [ $? != 0 ]; then
  echo "$(date) Wifi down, resetting" >> /var/log/wifi.log
  sudo ifdown wlan0 & wait $!
  sudo ifup wlan0 & wait $!
else echo "$(date) Wifi up" >> /var/log/wifi.log
fi

# add to crontab 
# */10 * * * * /home/<USER>/check_con.sh