This script is designed for GL-Inet Mudi E750 LTE Router.
It was originally created for personal use, but it may be helpful for others who want to customize their router's behavior.
- Incoming SMS message alerting
- Temperature alerting
- Battery level alerting
- Shutdown router when there are no clients for a specified time
- Set custom Wi-Fi transmission power while charging
opkg update
opkg install bash findutils iconv| Variable Name | Default Value | Description |
|---|---|---|
WARNING_TEMP |
65 |
Temperature threshold (in Celsius) for warning message |
FULL_BAT |
85 |
Battery level threshold (in percentage) for full charge |
WARNING_BAT |
25 |
Battery level threshold (in percentage) for warning |
CRITICAL_BAT |
15 |
Battery level threshold (in percentage) for critical |
SHUTDOWN_BAT |
10 |
Battery level threshold (in percentage) for shutdown |
CLIENTS_SHUTDOWN_TIME |
20 |
Time (in minutes) before shutdown when battery level is at SHUTDOWN_BAT |
MAX_CLOCK_DRIFT |
2 |
Maximum allowed clock drift (in minutes), if the clock has changed by more than the value specified in the variable, the time-based alerts will be reset |
TX_POWER_ON_AC |
20 |
Set custom Wi-Fi transmission power while charging(dBm) |
ALERT_SCRIPT |
$(dirname "$0")/alert.sh |
Path to the script that sends alert messages |
To use this script, follow these steps:
- Place the monitor.sh script in a suitable location on your router, such as /root/monitor/monitor.sh.
- Place the alert.sh script in the same directory as monitor.sh. The alert.sh script should accept a message as an argument.
- Add the script to the router's crontab to run it periodically:
echo "* * * * * nice -n 19 /root/monitor/monitor.sh >> /dev/null 2>&1" >> /etc/crontabs/root
/etc/init.d/cron restart