Shell 磁盘空间使用率

• ​​disk-space.sh​​

MAX=95
EMAIL=server@127.0.0.1
PART=sda1

USE=$(df -h | grep $PART | awk '{ print $5 }' | cut -d'%' -f1)
USE=`printf "%.0f\n" $USE`
if [ $USE -gt $MAX ]; then
   echo "Percent used: $USE" | mail -s "Running out of disk space" $EMAIL
else
   echo "all is well"
fi

执行:

$ bash disk-space.sh
all is well

​