Sep 05

1.修改 Debian 中 crontab 默认编辑器 nano 为 vi

sudo update-alternatives --config editor

2.下载 WiFi_Check 脚本及修改权限

sudo wget https://raw.github.com/dweeber/WiFi_Check/master/WiFi_Check -O /usr/local/bin/WiFi_Check
sudo chmod 0755 /usr/local/bin/WiFi_Check

3.添加 Cron 任务每两分钟检查一次

sudo crontab -e
*/2 * * * * /usr/bin/sudo -H /usr/local/bin/WiFi_Check >> /dev/null 2>&1

参考资料:
1.http://blog.csdn.net/god_7z1/article/details/8822130
2.http://weworkweplay.com/play/rebooting-the-raspberry-pi-when-it-loses-wireless-connection-wifi/

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