| crontab -e | |
| */5 * * * * /usr/bin/sudo -H /home/pi/my-scripts/checkwifi.sh >> /dev/null 2>&1 |
| # http://weworkweplay.com/play/rebooting-the-raspberry-pi-when-it-loses-wireless-connection-wifi/ | |
| # Check wifi connection... | |
| ping -c4 192.168.179.3 > /dev/null | |
| # '$?' is the exit code of previous ping command. | |
| # If exit code != 0 (failure)... | |
| if [ $? != 0 ] | |
| then | |
| echo "$(date): No network connection, restarting wlan0" >> /var/log/checkwifi.log | |
| # deactivate wifi... | |
| /sbin/ifdown 'wlan0' | |
| sleep 5 | |
| # Restart wifi... | |
| /sbin/ifup --force 'wlan0' | |
| fi |
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