Shell Tricks #3 - Disk Usage Alarm
Saturday, August 4th, 2007This is a one-liner to “alarm” if the disk usage of a filesystem has exceeded a certain threshold. I put the directory to monitor as “~” (home) and the threshold as 40%.
test `df -h ~ | grep -o ‘[0-9]*%’ | grep -o ‘[0-9]*’` -ge 40 && echo high
