Is there a shell script that can monitor partition usage?

When I used to use cPanel it would send me an email when any partitions were approaching full. Is there a script out there that monitors df output that I can put in a cron开发者_运维百科job?

Thanks

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don't know if there's already one, but it's not too hard to write. Just put this into your crontab:

df | awk 'NR>1 && $5>80 {print $1 " " $5}'

You should replace 80 with the threshold (percent used) you want to be alerted on. If will mail you the df output for all partitions that cross that usage level.

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It's way overkill for this application, but Nagios monitors disk usage and can email you alerts.

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Nagios does this (and pretty much everything else). If you're setting up a server, it's a good thing to set up. If this is just for personal use, Nagios is probably overkill.

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Try,

# cat partchek.sh
#!/bin/bash
a=$(/bin/df -h | grep /tmp |awk '{print $5}' | awk -F% '{print $1}')
if [ $a -ge 90 ]  // if /tmp full greater than or equal to 90%
then
/bin/mail -s "Kindly check the server: `hostname -i` 's /tmp Partition, Its almost full" your@emailid.here
fi

Add below line in crontab:

 * * * * * /bin/sh /path/for/partchek.sh > /dev/null 2>&1

(This is just an example for /tmp, you can edit for "/" and which you require)

Thanks.