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shrekuu/checkwlanup.sh

Created December 24, 2019 09:49
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reconnect to wifi when wifi is down, crontab job
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checkwlanup.sh
#!/bin/bash
# ref: https://askubuntu.com/a/421751/596437
wlan=`/sbin/ifconfig wlp2s0 | grep inet\ addr | wc -l`
if [ $wlan -eq 0 ]; then
/sbin/ifconfig wlp2s0 down && /sbin/ifconfig wlp2s0 up
else
echo "interface is up"
fi
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