作为嵌入式工程师，兼职干了公司网管一职 ，
之前公司服务器没有UPS，断电几次就无法启动了，硬盘拿去修复花了好多K money。
配了个山特UPS，用shell实现检测市电断电保护。
#!/bin/bash
### BEGIN INIT INFO
# Provides:
# Required-Start: $local_fs $network
# Required-Stop: $local_fs
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: auto power off shell
# Description: auto power off
### END INIT INFO
#Wrote by nich 2020-01-04
#echo "--- ups check shell ---"
PingCount=0
loop=30
while [ $loop -gt 0 ]
do
ping -c 1 -w 1 192.168.11.1 > /dev/null
if [ $? -eq 0 ]
then
# echo "Ping OK: $PingCount" > /var/log/syslog
PingCount=0
else
PingCount=$[ $PingCount + 1 ]
echo "Ping GateWay 192.168.11.1 Failt: $PingCount" > /var/log/syslog
fi
sleep 1s
loop=$[ $loop - 1 ]
if [ $PingCount -ge 28 ]
then
echo "Server Power Off Now" > /var/log/syslog
shutdown -h now
fi
done
#echo "---Ups Manage Shell Exit---" > /var/log/syslog
exit 0 |
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